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176 GEOGRAPHICAL ZOOLOGY. [part iv.
Cebidse. The thumb is not at all opposable, and all the fingers
are armed with sharp claws. The hallux, or thumb-like great
toe, is very small ; the tail is long and not prehensile. The two
genera Hapale (9 sp.), and Midas (24 sp.), are of doubtful value,
though some naturalists have still further sub-divided them.
They are confined to the tropical forests of South America, and
are most abundant in the districts near the equator.
Neotropical
Sub-regions.
Suhrorder—LEMUROIDEA.
Family 6.—LEMUEID^. (11 Genera, 53 Species.)
Neahctio
Sl'B-llEOION.S.
I
General Distribution.
Pal^arctic
SuB-..Er,IONS.
1.2. 3.4 — 2.3.4
Ethiopian Oriental I Australian
|
Sub-regions. Sub-regions. Sub-rkgions.
The Lemuridse, comprehending all the animals usually termed
Lemurs and many of their allies, are divided by Professor Mivart
—who has carefully studied the group—into four sub-families
and eleven genera, as follows :
—
Sub-family Indrisinse, consisting of the genus Indris (5 sp.),
is confined to Madagascar.
— —
Suh-family Lemurinae, contains five genera, viz. :
Lemur,
(15 sp.) ; Hapalemur (2 sp.) ; Microcehus (4 sp.) ; Chirogaleus
(5 sp.) ; and Lepilemur (2 sp.) ;—all confined to Madagascar.
Suh-family Nycticebinse, contains four genera, viz. :
Nydicehus
(^3 sp.)—small, short-tailed, nocturnal animals, called slow-lemurs,
—range from East Bengal to South China, and to Borneo and
Java; Loris (1 sp.)— a very small, tail-less, nocturnal lemur,
which inhabits Madras, Malabai, and Ceylon ; Perodidicus (1 sp.)
—the potto—a small lemur with almost rudimentary fore-
finger, found at Sierra Leone (Plate V., vol. i., p. 264); Ardocehus
(1 sp.)—the angwantibo,— another extraordinary form in which
the forefinger is quite absent and the first toe armed with a long
claw,—inhabits Old Calabar.