XXVI.--St. John's Macaque _Macacus sancti-johannis._
XXVII.--White-crowned Mangabey _Cercocebus æthiops._
XXVIII.--Green Guenon _Cercopithecus callitrichus._
XXIX.--Boutourlini's Guenon _Cercopithecus boutourlinii._
XXX.--Erxleben's Guenon _Cercopithecus grayi._
XXXI.--De Brazza's Guenon _Cercopithecus brazzæ._
XXXII.--Talapoin _Cercopithecus talapoin._
XXXIII.--Bay Guereza _Colobus ferrugineus._
XXXIV.--White-tailed Guereza _Colobus caudatus._
XXXV.--Hose's Langur _Semnopithecus hosii._
XXXVI.--Everett's Langur _Semnopithecus everetti._
XXXVII.--Proboscis Monkey _Nasalis larvatus._
XXXVIII.--Siamang Gibbon _Hylobates syndactylus._
XXXIX.--Orang-utan _Simia satyrus._
XL.--Gorilla _Gorilla gorilla._
XLI.--Bald Chimpanzee _Anthropopithecus calvus._
XLII.--MAP I. Showing the distribution of Living and Fossil
_Lemuroidea_.
XLIII.--MAP II. Showing the distribution of the Family _Tarsiidæ_, and
of the Sub-family _Galaginæ_ of the _Lemuridæ_.
XLIV.--MAP III. Showing the distribution of the Family _Chiromyidæ_,
and of the Sub-families _Lemurinæ_ and _Indrisinæ_, and of
the Sub-family _Lorisinæ_ of the _Lemuridæ_.
XLV.--MAP IV. Showing the distribution of Living and Fossil
_Anthropoidea_.
XLVI.--MAP V. Showing the distribution of the Families _Hapalidæ_ and
_Cebidæ_.
XLVII.--MAP VI. Showing the distribution of the Genera _Papio_,
_Theropithecus_, _Cynopithecus_, _Cercocebus_,
_Cercopithecus_, and _Macasus_.
XLVIII.--MAP VII. Showing the distribution of the Genera
_Semnopithecus_, _Nasalis_, and _Colobus_.
XLIX.--MAP VIII. Showing the distribution of the Genera _Hylobates_,
_Simia_, _Gorilla_, and _Anthropopithecus_.
{1}ORDER PRIMATES.