COMPENDIUM OF GENERIC DISTINCTIONS. 



781 



Genus. B rach y virus . 



Teeth. Incisors rather oblique, the lower being 

 long Canines large and stout Molars small. 

 Tail. Very hairy, shorter than body. 

 Habitat. Guiana. 



Genus. Pithe'cia. 



Teeth. Like preceding genus. 

 Tail. Equalling body in length. 

 Habitat. Brazils. 



Genus. Nyctipithe'cus. 



Teeth. Lower incisors rather obliquely pointing 

 forwards, two middle upper incisors broad Canines 

 moderate. 



Head. Ears small, and partially buried in hair 

 Eyes large, orbits very large. 



Limbs. Hind-feet longer than fore-feet. 



Tail. Longer than body. 



Habitat. Brazils. 



Genus. Jacchus. 



Teeth. Lower incisors long and rounded, rather 

 convex externally Praemolars with one tubercle in 

 the outer margin Molars with two tubercles. 



Head. Face short and blunt nostrils wide. 



Tail. Long, and thickly furred. 



Habitat. Brazils. 



Family. LEMURID^E. 



Teeth. Upper incisors, 2 2, generally set in 

 pairs, and separated from the canines by a small 

 space ; lower incisors, either 2 2 or I i, often 

 slightly projecting. 



Limbs. All the feet with five fingers, the fourth 

 being the largest Hind-feet larger than fore-feet 

 All the nails flat, excepting that of the second finger, 

 which is narrow and curved. 



Teeth.- 



Genus. Lemur. 



22 i i 33 33 



-I. , C. , P. , M. 



22 i i 33 33 



36. 



Head. Eyes large, and set closely together Ears 

 short and rounded. 



Limbs. First finger of fore-feet extremely short. 

 Tail. Rather short. 

 Habitat. Madagascar. 



Genus. Propithecus. 



Teeth. Upper incisors expanded toward the ca- 

 nines. 



Habitat. Madagascar. 



Genus. Loris. 



Head. Muzzle long and sharp, slightly directed 

 upwards. 



Eyes extremely large. 



Body and Limbs. Slender and delicate. 



Tail. None. 



Habitat. Ceylon. 



Genus. Nycticebus. 



Resembling Lemur, but having the tail extremely 

 short. 



Habitat. Sumatra, Borneo, and Bengal. 



Genus. Galago. 



Teeth as Lemur. 



Head. Ears large and naked Eyes large. 



Limbs. Tarsus elongated. 



Tail. Long, and thickly furred: 



Habitat. Madagascar, and various parts of Africa. 



Teeth. I. 



2 2 



Genus. Indris. 

 i i 2 2 



\^* ,r . > 



M. 



I I I I 2 2 



Head. Ears small and rounded. 

 Limbs. Tarsus not elongated. 

 Habitat. Madagascar. 



Genus. Tarsius. 



3-3 

 33 



30- 



Teeth. I. 



2 2 



C. 



I I 



p. 



33 



33 

 M. = 36. 



2 2 i i 3 3 2 3 

 Lower incisors oblique False molars conic Molars 

 furnished with several sharp tubercles. 



Head. Eyes large Ears rather large, very thinly 

 supplied with hair. 



Limbs. Hinder feet extremely long, with elon- 

 gated tarsus. 



Tail. Very long, with tuft at the tip. 



Habitat. Borneo and Philippine Islands. 



Family. GALEOPITHECID^E. 

 There is only one genus in this family. 



Genus. Galeopithecus. 



Teeth. I. 



22 



C. 



i i 



P. 



2 2 1 - 



= 34. 



3 3 * * 2 2 3 3 

 Some authors give the formula in a slightly different 

 manner, as the teeth seem to be rather obscure : 



2 2 o o 2 2 4 4 

 I. - , C. - , P. - , M. - = 34- The lower 



2 2 I I 2 2 4 4 



incisors are set pointing forwards, and are deeply 

 notched on their crowns like the teeth of a comb. 

 Habitat. Java, Borneo, Sumatra. 



Family. ( ? ) 



Genus. Che*iromys. 



Teeth. I. 



i I 



C. 



o o 



M. 



4 i 



= 18. Incisors 



i i oo 33 

 pointed, compressed, and very sharp and powerful. 



Head. Rounded, and muzzle short and pointed. 



Limbs. Feet with five fingers Fore-feet with 

 toes long, the middle toe long and slender Thumb 

 of hind-feet with flat and broad nail. 



Tail. Long, and heavily furred. 



The family in which this animal (the Aye Aye) 

 ought to be placed is very doubtful, as is even the 

 order to which it really belongs. 



Family. CHEIR6PTERA. 



The bones of the fore-limbs, and especially those 

 of the fingers, much elongated, and sustaining a 

 membrane of large dimensions, by means of which 

 the animals fly in the air. The thumb-joint is not 

 attached to the web, but is left free. It is furnished 

 with a nail. The hinder-feet are small, and the toes 

 furnished with sharp claws. 



Genus. Vampfrus. 

 2 2 i i 6 6 

 Teeth. I. , C. , M. = 34. Incisors 



33 T ' S5 



small, especially those of the lower jaw, and nearly 

 contiguous at their bases Canines large. 



