68 LEMURID&. 
legs bright-red chestnut; circumference of face and forehead 
white. Hab. Bolivia. 
*** Nose and lips black. Tamarin. 
6. Midas ursulus. The Tamarin. B.M. 
Black ; hinder part of the back rather mottled with greyish white. 
Var. 1, Hands black. B. M. 
Tamarin négre, Buffon, Supp. vii. t. 82. Midas ursulus, Geoff. Jac- 
chus tamarin, Gray ! 
Var, 2. Hands yellow or orange. B. M: 
Tamarin, Buffon, H. N. xv. p. 92, t. 18. Simia Midas, Zinn. Midas 
rufimanus, Geoff. 8. Lacepedii, Fischer, Bull. Soc. Moscou, 1806, 
p. 23. M. Lacepedii, Slack, Proc. Acad, N. 8S. Phil. 1861, p. 461. 
Hab. Brazil. 
19. SENIOCEBUS. 
Head naked in front; hinder part of head covered with short 
hairs. Ears bald, exposed. Tail not ringed. Lower cutting-teeth 
short, truncated. Canines conical. 
CEdipus, part., Lesson, 
Seniocebus bicolor. B. M. 
Grey, brown-punctulated; back of head, neck, chest, and fore legs 
white; tail black above, brownish beneath and at the tip. 
Young. Face rather hairy ; forehead naked. 
Midas bicolor, Spix, Bras. p. 31, t. 24. f 1. CEdipus titi, junior 
Lesson. Hapale bicolor, Wagner ; Schreb. v. t. 12. ; : 
Hab. Brazil. 
Fam. IV. LEMURID/. 
Cutting-teeth 2 or 4, dissimilar ; upper small, separate in pairs, 
vertical; lower larger, contiguous, shelving forward ; the two outer 
larger, opposed to the space between the upper cutting-teeth and 
the canines (they are probably the lower canines). The fingers and 
toes free, well developed ; the first toe shorter. Claw of the second 
toe subulate; of the first elongate, curved ; the others flat. Had. 
Old continent: Africa, Madagascar, or India. Nocturnal; sleeping 
in the day, rolled into a ball, with the tail between the hind legs 
and convolute round the body. 
Lemuridx, Gray, P. Z. §. 1868, p. 181. 
