‘COMPENDIUM OF GENERIC DISTINCTIONS. 
Genus.—Hypsiprymnus. 
Teeth.—Two middle incisors of upper jaw rather lony, the 
two lateral incisors being small in proportion. 
Feet.—Claws of fore-feet curyed and compressed, the 
three middle claws very much longer than the two outer. 
Tail.—_Shorter than body, and slight. 
Genus.—Lagorchestes. 
Teeth.—Foremost upper incisor largest, and hinder the 
smallest. Behind the incisors, a very small canine. The 
last incisor has one vertical groove. 
Genus.—Phascélomys. 
: 1—1 a 0-0 1—1 44 
Teeth.—I. =e apke M. 24. Jars 
. te 00 ot eae 
with flat crowns. A considerable interval between the 
incisors and the molars. 
ove 5 
Feet.—Furnished with five toes, thumb-joint of hinder 
feet very short, and without a claw. The remaining claws 
powerful, and used for digging. 
Tail—Extremely short, only half an inch in length. 
Sub-family.—P eramelina. 
Very rat-like in general aspect. 
Teeth.— Middle incisors of upper jaw not longer than the 
others. 
Head.—Elongated, the snout being sharp, long, and 
pointed. 
Feet.—Second and third toes of hinder feet joined as far 
as the claws—Thumb-joint of hinder feet very small. 
Genus.—Perdémeles. 
4—4 
Teeth. ay 
and outer incisors on each side separated from the others. 
Molars squared, with tubercles on the crown. 
Feet.—Outer toe of fore-feet very short, and apart from 
the others—Thumb of hind-foot without a claw, sometimes 
entirely wanting. 
Tail.—Rather short. 
= 48. Upper 
Genus.—Cheeropus. 
Teeth. As in Perameles. 
Feet.—Fore-feet with two toes, resembling those of swine ; 
hind-feet without thumb-joint. 
Tail—Small and slight. 
Sub-family —Dasywrind 
Teeth.—I. :. Canines longer than incisors, 
Feet.—Fore-feet with five toes; hinder feet either five or 
three-toed; thumb small, and without claw; second toe 
separated from third. 
Tail.—Coyered with hair, not prehensile. 
Genus.—Paracyon (or Thylacinus). 
46. Exter- 
Teeth. 
nal incisor on each side is the strongest-—Canines very long, 
powerful, and sharply pointed—Last molars of upper jaw 
787 
smaller than others; molars furnished with one large pointed 
cusp in centre, and two smaller lateral, one blunt cusp on 
inner side of crown. 
Feet.—Fore-feet with five toes, the middle being slightly 
the longest—Hinder feet with four toes—Claws straight, 
strong, and blunt. 
Tail.— Moderate, 
hair, 
thick at root, covered with short 
Genus.—Diadbolus. 
Masti 1. =a pian = = 42, Incisors 
= = 
arranged regularly without any interval, and of same length. 
Canines long and powerful. Grinding surface of upper 
molars triangular, the first having four sharp cusps, the 
second and third five, and the fourth three. All the molars 
of lower jaw covered with sharp cusps. 
Head.—Short, and large in proportion. 
Feet.—Thumb of hinder feet almost wanting. 
Tail.—Short. 
Genus.—Dasy tus. 
Teeth.—As in Diabolus, but not so strongly carnivorous, 
Tail.—Long, and heayily covered with hair. 
Genus,—Phascégale. 
rae (Gers CaN | ee 
33 1—1 3—3 4—4 
middle upper incisors longer than others, and separated 
from them by a narrow space; they are slightly curved, and 
projecting ; the outermost incisors are the smallest. Canines 
not so large as in the preceding genera. The third premolar 
of lower jaw is smaller than the others. 
Tail.—Covered with short hair, and often tufted at ex- 
tremity. 
46. Two 
Teeth.—I. 
Genus.—Antechinus. 
Teeth—As in Phascogale, except that the two middle 
upper incisors are not larger than the others. 
Tail.—Sparsely sprinkled with very short hairs, and very 
| long. 
Genus.—Myrmecobius, 
liseel peers Mi toe 
1—1 3—3 6—6 
very small, pointed, and slightly compressed, separated 
from each other by considerable intervals—Canines hardly 
longer than premolars—Molars very small, and separated 
from each other by a slight interval ; covered with sharp, 
conical tubercles. 
Head.—Pointed, skull very small. 
Feet.—Hinder feet with four toes, the thumb being 
wanting, the claws curved, compressed, and sharp. 
Tail—Long, and very bushy. 
= 54. Incisors 
Teeth. —I. = C. 
Sub-family.—D idelphina. 
—5 
£4 
Feet.—Fumished with five toes, the thumb of the hinder 
foot being broad, opposable to the other toes, and without: 
a claw. 
Teeth.—Incisors always 
Sable 
