0) ST. <r ae, 
54 
Vv. MIDIDAE, : 
GENERA, 
Saguinus Lac=Hupale Geof. 
Hlapale Gray. 
Cebuella Gray. 
Midas Geoff. 
Leontopithecus Gray. Oedipus Gray. : 
Midas Gray. 
Jacchus Gray. 
ee 
Mico Gray. 
Seniocebus Gray. 
PROSIMIAE, | 
FAMILIES. ; 
I. Teeth of three kinds, the canines being retained through life. Incisors : 
small, with simple roots. Pectoral mammz developed, in addition to | 
inguinal ones. (Owen.) (Lemuroidea.) : 
A. Fibula entirely distinct from the tibia. Skull with the orbits open 
behind. Incisors of upper’ jaw small, (rarely wanting,) separated into 
two groups by a symphysial interspace; of lower jaw, larger, contiguous, 
and proclivous; canines of lower jaw parallel with and like incisors. 
Pes with the second toe armed with a subulate claw; rest with flattened 
nails. | 
LEMURIDAE. (VI.) : 
B. Fibula partially anchylosed with the tibia. Skull with the orbits parti- | 
ally closed behind by the union above of the alisphenoid with the jugal. | f 
Incisors of upper jaw (4) contiguous, inner large and conic; of lower 
(2) contiguous and opposed to large upper teeth: canines of lower jaw { 
normal. Pes with the second and third toes armed with subulate nails ; 
rest with flattened pointed nails. 
TARSIIDAE. (VII.) 
II. Teeth of two kinds, the canines being early deciduous. Incisors 3, gli- 
riform, continually reinforced from the formative pulp; the fangs very 
long, those of the lower jaw extending backwards to the base of the coro- 
noid processes. Inguinal teats only developed.—Manus with the middle 
finger very attenuated, and provided with a narrow scooped nail; rest of 
nails (except of thumb of pes) similar, subulate. (Daubentonioidea.) 
DAUBENTONIIDAE. (VIII.) 
SUPER-FAMILY LEMUROIDEA. 
VI. LEMURIDAE. 
SUB-FAMILIES, 
I, Teeth 30; i.e. M3 P.M. 20.41. 2x2. 
3 a 
INDRISINAE, (A.) 
II. Teeth 36 (exceptionally 32); i. e. M. 2 P.M. 2 C.F. =x2 (exception- 
ally, I. 2 in adult). 
A. Tarsus short or of moderate length. 7 
i 
s 
3 
