1937. Ecological observations on amphibians and reptiles collected

in southeastern Oklahoma during the summer of 1934. Amer.

Midl. Nat., 18(2):285-303, 1 fig., March.

TRUE, F. W.

1893. Useful aquatic reptiles and batrachians of the United States.

_In_ The fisheries and fishery industries of the United

States by G. B. Goode, Sect. I, Part II, pp. 137-162.

VAN DENBURGH, J.

1917. Concerning the origin of the soft-shelled turtle,

Aspidonectes californiana Rivers. Proc. Calif. Acad. Sci.

4th Ser., 7(2):33-35.

VAN DER SCHALIE, H.

1945. The value of mussel distribution in tracing stream

confluence. Pap. Michigan Acad. Sci., Arts Letters, 1944,

30:355-73, 4 figs., September.

VINYARD, W. C.

1955. Epizoophytic algae from mollusks, turtles, and fish in

Oklahoma. Proc. Oklahoma Acad. Sci., 1953, 34:63-65,

January.

VIOSCA, P., JR.

1923. An ecological study of the cold-blooded vertebrates of

southeastern Louisiana. Copeia, 1923(115):35-44, February 1.

1944. Distribution of certain cold-blooded animals in Louisiana in

relationship to the geology and physiography of the state.

Proc. Louisiana Acad. Sci., 8:47-62, 3 figs., December.

WEBB, R. G.

1956. Size at sexual maturity in the male softshell turtle,

_Trionyx ferox emoryi_. Copeia, 1956(2):121-22, 1 fig., May

29.

1959. Description of a new softshell turtle from the southeastern

United States. Univ. Kansas Publ. Mus. Nat. Hist.,

11(9):517-25, 1 fig., 2 pls., August 14.

1960. Type and type locality of the Gulf Coast spiny softshell

turtle, Trionyx spinifer asper (Agassiz). Breviora, No.

129:1-8, 2 pls., December 21.

WEBB, R. G., and LEGLER, J. M.

1960. A new softshell turtle (genus Trionyx) from Coahuila, Mexico.

Univ. Kansas Sci. Bull., 40(2):21-30, 2 pls., April 20.

WEBSTER, E. B.

1936. A preliminary list of the reptiles and amphibians of

Pottawatomie County, Oklahoma, near Shawnee. Proc. Oklahoma

Acad. Sci., 1935, 16:20-22.

WEED, A. C.

1923. Notes on reptiles and batrachians of central Illinois.

Copeia, 1923(116):47-50, March 15.

WELTER, W. A., and CARR, K.

1939. Amphibians and reptiles of northeastern Kentucky. Copeia,

1939 (3):128-30, September 9.

WHEELER, G. C.

1947. The amphibians and reptiles of North Dakota. Amer. Midl.

Nat., 38(1):162-90, July.

WIED-NEUWIED, M. A. P.

* 1838. Reise in das innere Nord-America in den Jahren 1832 bis

1834. Reise von Bethlehem nach Pittsburgh über die

Alleghanys, vom 17. September bis zum 7. October. Coblenz,

pp. 121-42 (from Carr, 1952:527).

1865. Verziechniss der reptilien welche auf einer reise im

nordlichen America beobachtet wurden. Nova Acta Acad.

Leopold.--Carol., 32:viii + 146, 7 pls.

WILLIAMS, E. E.

1950. Variation and selection in the cervical central articulations

of living turtles. Bull. Amer. Mus. Nat. Hist.,

94(9):509-61, 20 figs., 10 tables, March 24.

WILLIAMS, E. E., and MCDOWELL, S. B.

1952. The plastron of soft-shelled turtles (Testudinata,

Trionychidae): a new interpretation. Jour. Morph.,

90(2):263-75, 2 pls., March.

WILLIAMS, K. L.

1957. Yolk retraction as a possible cause of kyphosis in turtles.

Herpetologica, 13(Pt. 3):236, October 31.

WOOD, L. W.

1959. New Ohio county records in the herpetology collection of the

Cleveland Museum of Natural History. Jour. Ohio Herp. Soc.,

2(2):8, September.

WRIGHT, A. H.

1919. The turtles and the lizard of Monroe and Wayne counties, New

York. Copeia, 1919(66):6-8, February 25.

WRIGHT, A. H., and FUNKHOUSER, W. D.

1915. A biological reconnaissance of the Okefinokee Swamp in

Georgia. The reptiles. Proc. Acad. Nat. Sci., Phila.,

67:107-92, 14 figs., 3 pls., April 23.

YARROW, H. C.

1882. Check list of North American Reptilia and Batrachia, with

catalogue of specimens in the U. S. National Museum. Bull.

U. S. Nat. Mus., 24:vi + 249 pp.

ZANGERL, R.

1939. The homology of the shell elements in turtles. Jour. Morph.,

65(3):383-407, 9 figs., 2 pls., November.

_Transmitted June 8, 1961._

[Illustration: PLATE 31

_Trionyx ferox_, juveniles. _Top_--UMMZ 76755 (× 1) dorsal and

ventral views; Lake Griffin, Lake County, Florida. _Bottom_--TU

13960 (× 3/4), dorsal and ventral views; Hillsborough River,

_ca._ 20 mi. NE Tampa, Hillsborough County, Florida.]

[Illustration: PLATE 32

_Top_--_Trionyx ferox_, female, UMMZ 90010 (× 2/9); east edge

Okefinokee Swamp, Charlton County, Georgia. _Bottom_--Left,

_Trionyx ferox_, adult male, UMMZ 102276 (× 1/5), 14 mi. SE Punta

Gorda, Lee County, Florida; right, _Trionyx sinensis_, female, KU

39417 (× 3/10), 5 mi. ESE Seoul, Korea. All dorsal views; note

resemblance of two species in having longitudinal ridging and

marginal ridge of carapace.]

[Illustration: PLATE 33

_Trionyx spinifer spinifer_, juveniles, dorsal views.

_Top_--UMMZ 74518 (× 1-2/5); Portage Lake, Washtenaw County,

Michigan.

_Bottom_--TU 16132 (× 1-1/5); Sevierville, Sevier County,

Tennessee.]

[Illustration: PLATE 34

_Trionyx spinifer spinifer_, dorsal views.

_Top_--Adult male, UMMZ 54401 (× 3/7), Portage Lake,

Livingston County, Michigan.

_Bottom_--Female, UMMZ 81699 (× 2/7), Ottawa County, Michigan.]

[Illustration: PLATE 35

_Trionyx spinifer hartwegi_, dorsal views.

_Top_--Juveniles; left, KU 40210 (× 9/10), 12-1/2 mi.

S, 1-1/4 mi. W Meade, Meade County, Kansas; right, KU 16531

(× 1), Smoky Hill River, 3 mi. SW Elkader, Logan County, Kansas.

_Bottom_--Adult Males; left, KU 18385 (× 2/5), Arrington,

Comanche County, Kansas; right, KU 3758 (× 3/10),

Little Salt Marsh, Stafford County, Kansas.]

[Illustration: PLATE 36

_Trionyx spinifer hartwegi._

_Top_--Juveniles; left, TU 13885, dorsal view (× 3/4),

Little Vian Creek, 1 mi. E Vian, Sequoyah County, Oklahoma;

right, KU 3732, ventral view (× 5/7), Independence,

Montgomery County, Kansas.

_Bottom_--Adult female, TTC 719, dorsal view (× 2/7), 10 mi. S,

2 mi. W Gruver, Hansford County, Texas.]

[Illustration: PLATE 37

_Trionyx spinifer asper_, juveniles, dorsal views.

_Top_--Left, male, KU 50839 (× 9/10), Flint River, 1-1/2 mi. S

Bainbridge, Decatur County, Georgia; right, female, TU 15661

(× 9/10), Blackwater River, 4.3 mi. NW Baker, Okaloosa County,

Florida.

_Bottom_--Left, male, TU 13623 (× 7/9), Yellow River, 3.1 mi. W

Hammond, Tangipahoa Parish, Louisiana; right, female, TU 14362

(× 4/5), Hobolochito Creek, 1 mi. N Picayune, Pearl River County,

Mississippi.]

[Illustration: PLATE 38

_Trionyx spinifer asper_, dorsal views.

_Top_--Left, adult male, TU 15869 (× 1/2), Escambia River, 1.2 mi. E

Century, Escambia County, Florida; right, female, TU 14673.3

(× 1/2), Black Warrior River, 17-1/2 mi. SSW Tuscaloosa,

Tuscaloosa County, Alabama.

_Bottom_--Left, adult male, TU 17117 (× 1/4), Pearl River,

Varnado, Washington Parish, Louisiana; right, female, TU 16584

(× 1/5), locality same as TU 15869.]

[Illustration: PLATE 39

_Trionyx spinifer pallidus_, new subspecies, dorsal views.

_Top_--Juveniles; left, TU 481 (× 2/3), Caddo Lake, Caddo Parish,

Louisiana; right, KU 50832 (× 9/10), mouth of Caney Creek, 4 mi.

SW Kingston, Marshall County, Oklahoma.

_Bottom_--Adult males; left, holotype, TU 484 (× 1/3), locality

same as TU 481; right, TU 1122 (× 2/9), Lacassine Refuge,

Cameron Parish, Louisiana.]

[Illustration: PLATE 40

_Trionyx spinifer pallidus_, new subspecies, dorsal views.

_Top_--Females; left, TU 13213 (× 1/4), Sabine River, 8 mi. SW

Negreet, Sabine Parish, Louisiana; right, TU 13266 (× 2/9),

Sabine River, 8 mi. SW Merryville, Beauregard Parish, Louisiana.

_Bottom_--Left, adult male, SM 2889 (× 1/4), Groveton, Trinity

County, Texas; right, female, TU 14402 (× 1/5), Trinity River,

near junction with Big Creek, Liberty County, Texas.]

[Illustration: PLATE 41

_Trionyx spinifer guadalupensis_, new subspecies, dorsal views.

_Top_--Juveniles; left, ANSP 16717 (× 1), no data; right, KU

50834 (× 1-1/10), Hondo Creek, 4 mi. W Bandera, Bandera County,

Texas.

_Bottom_--Adult males; left, holotype UMMZ 89926 (× 1/3), 15 mi.

NE Tilden, McMullen County, Texas; right, SM 659 (× 3/10),

Colorado River, near Austin, Travis County, Texas.]

[Illustration: PLATE 42

_Trionyx spinifer guadalupensis_, new subspecies, dorsal views.

_Top_--Adult females; left, TU 16036.1 (× 1/5), Llano River,

2 mi. W Llano, Llano County, Texas; right, TU 10160 (× 1/5),

Guadalupe River, 9 mi. SE Kerrville, Kerr County, Texas.

_Bottom_--Left, female, CM 3118 (× 3/4), Black Bayou, Victoria

County, Texas; right, male, TU 14419.6 (× 5/9), San Saba River,

11 mi. NNW San Saba, San Saba County, Texas.]

[Illustration: PLATE 43

_Trionyx spinifer emoryi_, dorsal views.

_Top_--Juveniles; left, UMMZ 69411 (× 3/4), Río Conchos, 9 mi.

N Linares, Nuevo León, México; right, UMMZ 69412 (× 5/6),

Río Purificación, north Ciudad Victoria, Tamaulipas, México.

_Bottom_--Adult males; left, topotype, TU 11561 (× 1/3),

Brownsville, Cameron County, Texas; right, KU 48217 (× 1/3),

Black River Village, Eddy County, New Mexico.]

[Illustration: PLATE 44

_Trionyx spinifer emoryi_, dorsal views. _Top_--Left, adult male,

KU 51194 (× 2/7), Río Conchos, near Meoquí, Chihuahua, México;

right, female, KU 3119 (× 4/9), Salt River, Phoenix, Maricopa

County, Arizona.

_Bottom_--Females; left, KU 3118 (× 1/5), locality same as KU 3119;

right, TU 14453 (× 3/10), Pecos River, near junction with

Independence Creek, Terrell County, Texas.]

[Illustration: PLATE 45

_Trionyx muticus muticus_, juveniles, dorsal views.

_Top_--Topotypes (× 1), Wabash River, 2 mi. S New Harmony, Posey

County, Indiana; left, INHS 7278; right, INHS 7279.

_Bottom_--Left, TU 14375 (× 3/4), Trinity River near junction with

Big Creek, Liberty County, Texas; right, KU 50845 (× 1-2/5),

4 mi. N Atwood, Hughes County, Oklahoma.]

[Illustration: PLATE 46

_Trionyx muticus muticus_, dorsal views.

_Top_--Adult males; left, TU 14606 (× 3/10), White River, Cotter,

Marion County, Arkansas; right, KU 48237 (× 1/3), 8 mi. S

Hanover, Washington County, Kansas.

_Bottom_--Females (× 1/4), 2 mi. E Manhattan, in Pottawatomie

County, Kansas; left, KU 48229; right, KU 48238.]

[Illustration: PLATE 47

_Trionyx muticus calvatus_, dorsal views.

_Top_--Juvenile, TU 17303 (× 1-2/5), Pearl River, Varnado,

Washington Parish, Louisiana.

_Bottom_--Left, adult male, KU 47118 (× 3/10), Pearl River within

4 mi. of Monticello, Lawrence County, Mississippi; right, adult

female, TU 17306 (× 2/9), Pearl River, 9 mi. S Monticello,

Lawrence County, Mississippi.]

[Illustration: PLATE 48

FIG. 1. Habitat of _T. s. pallidus_, Little River, 6.5 mi. S

Broken Bow, McCurtain County, Oklahoma, September 7, 1953.

FIG. 2. Habitat of _T. s. emoryi_, Río Mesquites, 2 mi. W

Nadadores, Coahuila, México, July 27, 1959. Two _emoryi_ were

trapped in hoop nets set in quiet water to left of what is

believed to be a muskrat house.]

[Illustration: PLATE 49

FIG. 1. General habitat of _T. s. pallidus_ and _T. m. muticus_,

Lake Texoma, in a period of low water, 2 mi. E Willis, Marshall

County, Oklahoma, February 24, 1951.

FIG. 2. Type locality of _T. ater_, Tío Candido, 16 km. S Cuatro

Ciénegas, Coahuila, México, July 30, 1959. An adult male of

_T. s. emoryi_ was also netted here.]

[Illustration: PLATE 50

FIG. 1. General habitat of _T. s. asper_ and _T. m. calvatus_,

Escambia River, 2 mi. E, 1/2 mi. N Century, Escambia County,

Florida, June 1, 1954. Three nests of _calvatus_ found on

sand bar in foreground.]

FIG. 2. Nest site of _T. m. calvatus_ (excavated by investigator)

on open sand bar shown above in Fig. 1, June 1, 1954. Note

tracks of turtle in foreground leading toward and away

from disturbed area at left.

[Illustration: PLATE 51

FIG. 1. Eggs of _T. m. calvatus in situ_, June 1, 1954,

approximately six inches below surface, from nest shown in

Fig. 2, Pl. 50. Note sandy substrate and seemingly irregular

arrangement of eggs.

FIG. 2. Eggs of _T. m. calvatus in situ_, June 1, 1954; nest

located at brim of incline shown in foreground of Fig. 1,

Pl. 50. Note gravelly substrate (in foreground) and

symmetrical arrangement of eggs.]

[Illustration: PLATE 52

Lectotype of _Trionyx spinifer_ Lesueur, Museum d'Histoire

Naturelle, Paris, No. 8808 (× 1/5); obtained by C. A. Lesueur

from the Wabash River, New Harmony, Posey County, Indiana.

_Top_--Dorsal view. _Bottom_--Ventral view.]

[Illustration: PLATE 53

Lectotype of _Trionyx muticus_ Lesueur, Museum d'Histoire

Naturelle, Paris, No. 8813 (× 1/2); obtained by C. A. Lesueur

from the Wabash River, New Harmony, Posey County, Indiana.

_Top_--Dorsal view.

_Bottom_--Ventral view.]

[Illustration: PLATE 54

Skull of holotype of _Platypeltis agassizi_ Baur (= _T. s. asper_),

MCZ 37172 (× 1), Savannah River, Georgia.

_Top_--Dorsal view.

_Bottom_--Ventral view.]

28-7818

UNIVERSITY OF KANSAS PUBLICATIONS

MUSEUM OF NATURAL HISTORY

Institutional libraries interested in publications exchange may obtain

this series by addressing the Exchange Librarian, University of Kansas

Library, Lawrence, Kansas. Copies for individuals, persons working in a

particular field of study, may be obtained by addressing instead the

Museum or Natural History, University of Kansas, Lawrence, Kansas. There

is no provision for sale of this series by the University Library, which

meets institutional requests, or by the Museum of Natural History, which

meets the requests of individuals. However, when individuals request

copies from the Museum, 25 cents should be included, for each separate

number that is 100 pages or more in length, for the purpose of defraying

the costs of wrapping and mailing.

* An asterisk designates those numbers of which the Museum's supply (not

the Library's supply) is exhausted. Numbers published to date, in this

series, are as follows:

Vol. 1. Nos. 1-26 and index. Pp. 1-638, 1946-1950.

*Vol. 2. (Complete) Mammals of Washington. By Walter W. Dalquest. Pp. 1-444, 140

figures in text. April 9, 1948.

Vol. 3. *1. The avifauna of Micronesia, its origin, evolution, and

distribution. By Rollin H. Baker. Pp. 1-359, 16 figures

in text. June 12, 1951.

*2. A quantitative study or the nocturnal migration of

birds. By George H. Lowery, Jr. Pp. 361-472, 47 figures

in text. June 29, 1951.

3. Phylogeny of the waxwings and allied birds. By M. Dale

Arvey. Pp. 473-530, 49 figures in text, 13 tables.

October 10, 1951.

4. Birds from the state of Veracruz, Mexico. By George H.

Lowery, Jr., and Walter W. Dalquest. Pp. 531-649, 7

figures in text, 2 tables. October 10, 1951.

Index. Pp. 651-681.

*Vol. 4. (Complete) American weasels. By E. Raymond Hall. Pp. 1-466,

41 plates, 31 figures in text. December 27, 1951.

Vol. 5. Nos. 1-37 and index. Pp. 1-676, 1951-1953.

*Vol. 6. (Complete) Mammals of Utah, _taxonomy and distribution_.

By Stephen D. Durrant. Pp. 1-549, 91 figures in text,

30 tables. August 10, 1952.

Vol. 7. *1. Mammals of Kansas. By E. Lendell Cockrum. Pp. 1-303,

73 figures in text, 37 tables. August 25, 1952.

2. Ecology of the opossum on a natural area in northeastern

Kansas. By Henry S. Fitch and Lewis L. Sandidge. Pp.

305-338, 5 figures in text. August 24, 1953.

3. The silky pocket mice (Perognathus flavus) of Mexico. By

Rollin H. Baker. Pp. 339-347, 1 figure in text.

February 15, 1954.

4. North American jumping mice (Genus Zapus). By Phillip H.

Krutzsch. Pp. 349-472, 47 figures in text, 4 tables.

April 21, 1954.

5. Mammals from Southeastern Alaska. By Rollin H. Baker and

James S. Findley. Pp. 473-477. April 21, 1954.

6. Distribution of Some Nebraskan Mammals. By J. Knox

Jones, Jr. Pp. 479-487. April 21, 1954.

7. Subspeciation in the montane meadow mouse, Microtus

montanus, in Wyoming and Colorado. By Sydney Anderson.

Pp. 489-506, 2 figures in text. July 23, 1954.

8. A new subspecies of bat (Myotis velifer) from

southeastern California and Arizona. By Terry A.

Vaughan. Pp. 507-512. July 23, 1954.

9. Mammals of the San Gabriel mountains of California. By

Terry A. Vaughan. Pp. 513-582, 1 figure in text, 12

tables. November 15, 1954.

10. A new bat (Genus Pipistrellus) from northeastern

Mexico. By Rollin H. Baker. Pp. 583-586. November 15,

1954.

11. A new subspecies of pocket mouse from Kansas. By E.

Raymond Hall. Pp. 587-590. November 15, 1954.

12. Geographic variation in the pocket gopher, Cratogeomys

castanops, in Coahuila, Mexico. By Robert J. Russell

and Rollin H. Baker. Pp. 591-608. March 15, 1955.

13. A new cottontail (Sylvilagus floridanus) from

northeastern Mexico. By Rollin H. Baker. Pp. 609-612.

April 8, 1955.

14. Taxonomy and distribution of some American shrews. By

James S. Findley. Pp. 613-618. June 10, 1955.

15. The pigmy woodrat, Neotoma goldmani, its distribution

and systematic position. By Dennis G. Rainey and Rollin

H. Baker. Pp. 619-624, 2 figures in text. June 10,

1955.

Index. Pp. 625-651.

Vol. 8. Nos. 1-10 and index. Pp. 1-675, 1954-1956.

Vol. 9. 1. Speciation of the wandering shrew. By James S. Findley.

Pp. 1-68, 18 figures in text. December 10, 1955.

2. Additional records and extension of ranges of mammals

from Utah. By Stephen D. Durrant, M. Raymond Lee, and

Richard M. Hansen. Pp. 69-80. December 10, 1955.

3. A new long-eared myotis (Myotis evotis) from

northeastern Mexico. By Rollin H. Baker and Howard J.

Stains. Pp. 81-84: December 10, 1955.

4. Subspeciation in the meadow mouse, Microtus

pennsylvanicus, in Wyoming. By Sydney Anderson. Pp.

85-104, 2 figures in text. May 10, 1956.

5. The condylarth genus Ellipsodon. By Robert W. Wilson.

Pp. 105-116, 6 figures in text. May 19, 1956.

6. Additional remains of the multituberculate genus

Eucosmodon. By Robert W. Wilson. Pp. 117-123, 10

figures in text. May 19, 1956.

7. Mammals of Coahuila, Mexico. By Rollin H. Baker. Pp.

125-335, 75 figures in text. June 15, 1956.

8. Comments on the taxonomic status of Apodemus peninsulae,

with description of a new subspecies from North China.

By J. Knox Jones, Jr. Pp. 337-346, 1 figure in text, 1

table. August 15, 1956.

9. Extension of known ranges of Mexican bats. By Sydney

Anderson. Pp. 347-351. August 15, 1956.

10. A new bat (Genus Leptonycteris) from Coahuila. By

Howard J. Stains. Pp. 353-356. January 21, 1957.

11. A new species of pocket gopher (Genus Pappogeomys) from

Jalisco, Mexico. By Robert J. Russell. Pp. 357-361.

January 21, 1957.

12. Geographic variation in the pocket gopher, Thomomys

bottae, in Colorado. By Phillip M. Youngman. Pp.

363-387, 7 figures in text. February 21, 1958.

13. New bog lemming (genus Synaptomys) from Nebraska. By J.

Knox Jones, Jr. Pp. 385-388. May 12, 1958.

14. Pleistocene bats from San Josecito Cave, Nuevo León,

México. By J. Knox Jones, Jr. Pp. 389-396. December 19,

1958.

15. New subspecies of the rodent Baiomys from Central

America. By Robert L. Packard. Pp. 397-404. December

19, 1958.

16. Mammals of the Grand Mesa, Colorado. By Sydney

Anderson. Pp. 405-414, 1 figure in text, May 20, 1959.

17. Distribution, variation, and relationships of the

montane vole, Microtus montanus. By Sydney Anderson.

Pp. 415-511, 12 figures in text, 2 tables. August 1,

1959.

18. Conspecificity of two pocket mice, Perognathus goldmani

and P. artus. By E. Raymond Hall and Marilyn Bailey

Ogilvie. Pp. 513-518, 1 map. January 14, 1960.

19. Records of harvest mice, Reithrodontomys, from Central

America, with description of a new subspecies from

Nicaragua. By Sydney Anderson and J. Knox Jones, Jr.

Pp. 519-529. January 14, 1960.

20. Small carnivores from San Josecito Cave (Pleistocene),

Nuevo León, México. By E. Raymond Hall. Pp. 531-538, 1

figure in text. January 14, 1960.

21. Pleistocene pocket gophers from San Josecito Cave,

Nuevo León, México. By Robert J. Russell. Pp. 539-548,

1 figure in text. January 14, 1960.

22. Review of the insectivores of Korea. By J. Knox Jones,

Jr., and David H. Johnson. Pp. 549-578. February 23,

1960.

23. Speciation and evolution of the pygmy mice, genus

Baiomys. By Robert L. Packard. Pp. 579-670, 4 plates,

12 figures in text. June 16, 1960.

Index. Pp. 671-690.

Vol. 10. 1. Studies of birds killed in nocturnal migration. By

Harrison B. Tordoff and Robert M. Mengel. Pp. 1-44,

6 figures in text, 2 tables. September 12, 1956.

2. Comparative breeding behavior of Ammospiza caudacuta

and A. maritima. By Glen E. Woolfenden. Pp. 45-75,

6 plates, 1 figure. December 20, 1956.

3. The forest habitat of the University of Kansas Natural

History Reservation. By Henry S. Fitch and Ronald R.

McGregor. Pp. 77-127, 2 plates, 7 figures in text,

4 tables. December 31, 1956.

4. Aspects of reproduction and development in the prairie

vole (Microtus ochrogaster). By Henry S. Fitch. Pp.

129-161, 8 figures in text, 4 tables. December 19,

1957.

5. Birds found on the Arctic slope of northern Alaska.

By James W. Bee. Pp. 163-211, plates 9-10, 1 figure

in text. March 12, 1958.

6. The wood rats of Colorado: distribution and ecology. By

Robert B. Finley, Jr. Pp. 213-552, 34 plates, 8 figures

in text, 35 tables. November 7, 1958.

7. Home ranges and movements of the eastern cottontail

in Kansas. By Donald W. Janes. Pp. 553-572, 4 plates,

3 figures in text. May 4, 1959.

8. Natural history of the salamander, Aneides hardyi. By

Richard F. Johnston and Gerhard A. Schad. Pp. 573-585.

October 8, 1959.

9. A new subspecies of lizard, Cnemidophorus sacki, from

Michoacán, México. By William E. Duellman. Pp. 587-598,

2 figures in text. May 2, 1960.

10. A taxonomic study of the Middle American Snake,

Pituophis deppei. By William E. Duellman. Pp. 599-610,

1 plate, 1 figure in text. May 2, 1960.

Index. Pp. 611-626.

Vol. 11. 1. The systematic status of the colubrid snake,

Leptodeira discolor Günther. By William E. Duellman.

Pp. 1-9, 4 figures. July 14, 1958.

2. Natural history of the six-lined racerunner,

Cnemidophorus sexlineatus. By Henry S. Fitch.

Pp. 11-62, 9 figures, 9 tables. September 19, 1958.

3. Home ranges, territories, and seasonal movements of

vertebrates of the Natural History Reservation. By

Henry S. Fitch. Pp. 63-326, 6 plates, 24 figures in

text, 3 tables. December 12, 1958.

4. A new snake of the genus Geophis from Chihuahua,

Mexico. By John M. Legler. Pp. 327-334, 2 figures

in text. January 28, 1959.

5. A new tortoise, genus Gopherus, from north-central

Mexico. By John M. Legler. Pp. 335-343. April 24, 1959.

6. Fishes of Chautauqua, Cowley and Elk counties, Kansas.

By Artie L. Metcalf. Pp. 345-400, 2 plates, 2 figures

in text, 10 tables. May 6, 1959.

7. Fishes of the Big Blue river basin, Kansas. By W. L.

Minckley. Pp. 401-442, 2 plates, 4 figures in text,

5 tables. May 8, 1959.

8. Birds from Coahuila, México. By Emil K. Urban.

Pp. 443-516. August 1, 1959.

9. Description of a new softshell turtle from the

southeastern United States. By Robert G. Webb.

Pp. 517-525, 2 plates, 1 figure in text.

August 14, 1959.

10. Natural history of the ornate box turtle, Terrapene

ornata ornata Agassiz. By John M. Legler. Pp. 527-669,

16 pls., 29 figures in text. March 7, 1960.

Index Pp. 671-703.

Vol. 12. 1. Functional morphology of three bats: Eumops, Myotis,

Macrotus. By Terry A. Vaughan. Pp. 1-153, 4 plates,

24 figures in text. July 8, 1959.

2. The ancestry of modern Amphibia: a review of the

evidence. By Theodore H. Eaton, Jr. Pp. 155-180,

10 figures in text. July 10, 1959.

3. The baculum in microtine rodents. By Sydney Anderson.

Pp. 181-216, 49 figures in text. February 19, 1960.

4. A new order of fishlike Amphibia from the Pennsylvanian

of Kansas. By Theodore H. Eaton, Jr., and Peggy Lou

Stewart. Pp. 217-240, 12 figures in text. May 2, 1960.

More numbers will appear in volume 12.

Vol. 13. 1. Five natural hybrid combinations in minnows (Cyprinidae).

By Frank B. Cross and W. L. Minckley. Pp. 1-18.

June 1, 1960.

2. A distributional study of the amphibians of the Isthmus

of Tehuantepec, México. By William E. Duellman. Pp.

19-72, pls. 1-8, 3 figures in text. August 16, 1960.

3. A new subspecies of the slider turtle (Pseudemys

scripta) from Coahuila, México. By John M. Legler. Pp.

73-84, pls. 9-12, 3 figures in text. August 16, 1960.

4. Autecology of the copperhead. By Henry S. Fitch. Pp.

85-288, pls. 13-20, 26 figures in text. November 30,

1960.

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