.502 



MR. ST. G. MIVART ON THE LEMURS. [May 20, 



Fig. 15. 



Fig. 16. 



Tarsus of Microccbus. 



Tarsus of Cheirogaleus furcifer. 



Galago. 



Upper incisors subequal ; first upper premolar longer than the 

 second ; third upper premolar with two large external cusps, and 

 about equalling the first molar in size ; postero-internal cusp of 

 second and third molars well developed ; tarsus very long ; os calcis 

 from a little less to more than one third the length of the tibia; 

 naviculare much longer than the cuboid ; ears very large ; tail lcng ; 

 mastoidal region of periotic inflated ; no interparietal ; one opening, 

 representing both the foramen rotundum and sphenoidal fissure ; 

 dorsal vertebrae thirteen, lumbar vertebrae six ; gall-bladder with 

 its base not turned towards the back. 



Ilab. Africa (not Madagascar). 



Fig. 17. 



Fig. 



18. 



Tarsus of Galago. 



Tarsus of Galago cramcaudatus 



