Fig. 4.--Otter from Squier and Davis 128
5.--Otter from Squier and Davis 128
6.--Otter from Rau. Manatee from Stevens 129
7.--Manatee from Stevens 129
8.--Lamantin or Sea-Cow from Squier and Davis 130
9.--Lamantin or Sea-Cow from Squier 130
10.--Manatee (_Manatus Americanus_, Cuv.) 132
11.--Manatee (_Manatus Americanus_, Cuv.) 132
12.--Cincinnati Tablet--back. From Squier and Davis 133
13.--Cincinnati Tablet--back. From Short 134
14.--Toucan from Squier and Davis 135
15.--Toucan from Squier and Davis 135
16.--Toucan from Squier and Davis 136
17.--Toucan as figured by Stevens 137
18.--Keel-billed Toucan of Southern Mexico 139
19.--Paroquet from Squier and Davis 140
20.--Owl from Squier and Davis 144
21.--Grouse from Squier and Davis 144
22.--Turkey-buzzard from Squier and Davis 145
23.--Cherry-bird 145
24.--Woodpecker 146
25.--Eagle from Squier and Davis 146
26.--Rattlesnake from Squier and Davis 147
27.--Big Elephant Mound in Grant County, Wisconsin 153
28.--Elephant Pipe. Iowa 155
29.--Elephant Pipe. Iowa 156
30.--The Alligator Mound near Granville, Ohio 159
31.--Carvings of heads 162
32.--Carvings of heads 162
33.--Carvings of heads 162
34.--Carving of head 163
35.--Carving of head 163