COMPENDIUM OF GENERIC DISTINCTIONS. 781 
Genus.—Brachyiirus. 
Teeth.—Incisors rather oblique, the lower being long— 
Canines large and stout—Molars small. 
Tail. —Very hairy, shorter than body. 
Habitat.—Guiana. 
Genus.—Pithécia. 
Teeth.—Like preceding genus. 
Tail.—Equalling body in length. 
Habitat—Brazils. 
renus.—Nyctipithécus. 
Teeth.—Lower incisors rather obliquely pointing forwards, 
two middle upper incisors broal—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—Premolars with one tubercle in the outer mar- 
gin—Molars with two tubercles, 
Head.—Face short and blunt—nostrils wide. 
Tail—Long, and thickly furred, 
Habitat.—Brazils. 
Family,—Lem trie 
Teeth.—Upper incisors, 2—2, generally set in pairs, and 
separated from the canines by a small space ; lower incisors, 
either 2—2 or 1—1, 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. 
Genus.—Lemur. 
1— 3—3 
aac: 3M. = 36. 
i 7 = 3° 3-3 zs 
aoe es athe and set closely together—Ears short 
and rounded. 
Limbs.—First finger of fore-feet extremely short. 
Tail.—Rather short. 
Habitat.— Madagascar. 
Teeth.—I. : 2— 
Genus.—Propithécus. 
Teeth.—Upper incisors expanded towards the canines. 
Habitat.—Madagascar. 
Genus.—Loris. 
Head.—Muzzle long and sharp, slightly directed upwards. 
Eyes extremely large. 
Body and Limbs. —Slender and delicate. 
Tail.—None. 
HNabitat.—Ceylon. 
Genus.—Nycticébus. 
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, 
Genus.—Indris. 
15 2 a B 
w 
9 
Mecthe= T=) Cp one 30. 
1—1 1—1 2—2 3—3 
Head.—Ears small and rounded. 
Limbs.—Tarsus not elongated. 
Habitat. —Madagascar. 
Genus.—Tarsius. 
Teeth. i Z oe Tp 2 36 ower 
7 1-1 3—3 3 
incisors pbligneeenatee 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 elongated tarsus, 
Tail.—Very long, with tuft at the tip. 
Habitat.—Borneo and Philippine Islands. 
Family —GALnoPitaéciy a, 
There is only one genus in this family. 
Genus.— Galeopithécus. 
—l pet mM 3-3 
Teeth.—I.2—2 ¢. } ; 34. 
es ea game Some 
authors give the formula in a Aire different manner, as 
the teeth seem to be rather obscure :—I. =e C. = 
2—2 4—4 
Ph ae NE ait 
forwards, and are deeply notched on their crowns like the 
teeth of a comb. 
Habitat.—Java, Borneo, Sumatra. 
= 34, The lower incisors are set pointing 
, 
= 
2—2 
Family.—(?) 
Genus.—Chéiromys. 
Teeth.—I. = , Cc. oe — M. = = 18. Incisors pointed, 
compressed, oF o ee 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.—CHEIROPTERA, 
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.— Vampirus. 
2) « 11 6—6 
ie M. = 34, 
Teeth.—I. gaa ap se 
especially those of the lower jaw, and nearly contiguous at 
their bases—Canines large. 
Incisors small, 
