J 32 DR. J. E. GRAY ON THE SPECIES OF LEMUROIDS. [April 21, 



b. Feet elongate ; ears large. 

 C). Otogale. 



If. Head short ; face short, tapering ; eyes {and orbits) very large. 



* Hind legs elongate ; tail elongate. 



f Teeth 5Q ; feet short, broad. Microrliynchina. 



7. MiCRORHYNCHUS. 



tt Teeth 36 ; feet short, broad. Galagonina. 



8. Hapalemur. Ears moderate; upper cutting teeth on the 

 inside of canine. 



9. Cheirogaleus. Ears moderate ; upper cutting teeth in an 

 arched series. 



10. Lepijlemur. Ears large, elongate; upper cutting teeth in 

 an arched series. Tail with close-set short hair. 



11. Callotus. Ears very large, contractile. Tail with bushy 

 hairs. 



ftf Teeth 36 ; feet elongate, slender. 



12. Galago. 



** Fore and hind feet equal ; tail none ; feet short. 

 f The hands normal ; fingers free, index clawed. Lorisiua. 



13. Nycticebus. Limbs short. 



14. LoRis. Limbs elongate, slender. 



•|-|" Hands broad, short ; index finger abortive, clawless. 

 Perodicticina. 



15. Perodicticus. 



I. The head elongate ; face well developed ; the eyes moderate ; the 

 hind legs much longer than the arms ; the fingers ivell deve- 

 loped, free, elongate, normal. 



The form of the head is best seen in the skull, which in this sec- 

 tion is elongate ; the face is well developed, rather compressed ; and 

 the orbits, though large, are much smaller than in the succeeding 

 sections. The length of the head and the size of the orbits vary in 

 the different species, and the division between this and the following 

 tribe is not very strongly marked. 



* Grinders g^^^; cutting teeth j; in all 30. The hind foot short, 

 broad; great toe very long, slender. Indrinina. 



1. Indris, Geoff. 1796. 



Lichanotus, Illig. 1811. 

 Pitkelemur, Lesson, 1840. 



