646 



COMPENDIUM OF GENERIC DISTINCTIONS. 



Straws.— Cereoleptes. 



Te6th ._ L »=• c. t_\ P. *=» M. •=« 



3—3 1—1 3—3 2—2 



36. 



Head. — Short, and face rounded ; tongue long and very flexible. 

 Tail. — Long and capable of being rolled round any object. 

 Habitat. — Guiana and Peru. 



Genus. — Ailurus. 



Teeth. — Arrangement as in Cercoleptes. On each side of upper 

 jaw a false molar with one tubercle ; two tuberculate teeth on 

 :ach side below. 



Head. — Ears small and rounded. 



Limbs. — Claws semi-retractile, curved, and compressed. 



Tail. — Moderate, and very hairy. 



Habitat.— Nepal. 



Family. — Talpid^e. 



Teeth. — Incisors variable in number ; canines often wanting, 

 their place being taken by false molars; molars with sharp con- 

 ical tubercles. 



Feet. — Mostly with five toes, gait plantigrade. 



Teeth.— I. 



3—3 

 4— l' 

 0—0 



Genus. — Talpa. 



_ 1—1 _, 4-^t 3—3 .. , 



C. , P. , M. = 44. According 



1—1 3—3 3-3 



Genus. — Tupaia. 



2—3 



a transverse groove ; true molars, 



Limbs. — Feet with five toes. 



Tail. — Long, and thickly covered with hair, nearly "distichous." 

 Habitat. — India, Borneo, Sumatra. 



Ptilocercus may be referred to this genus, from which it has 

 been separated on account of the extraordinary tail. 



to some, C. , their place being occupied by the first molars. 



Head. — Muzzle elongated, and blunt at extremity — Eyes hidden 

 under fur, and very small. 



Limbs. — Feet with five toes ; fore-feet with sole turned back- 

 wards ; claws very strong. 



Tail. — Very short. 



Habitat. — Europe. 



Genus. — Scalops. 



Teeth.— I. — . C. — , P. — , M. — = 44. Two mid- 

 3—3 1—1 4-4 3-3 



die incisors of upper jaw large, and the others small. 



Head. — Muzzle elongated, with a proboscis-like nose — Eyes 

 urinate. 



Limbs. — Feet with five toes. . 



Tail. — Short, and thinly covered with hair. 



Habitat. — Northern America. 



Genus. — Chrysochloris. 



3 3 



Teeth. — I. on either side; seven molars on each side in 



3—3 



each jaw, having a space between them. 



Head. — Muzzle elongated and naked — Eyes covered with skin. 



Limbs. — Fore-feet with five toes, the fourth being small; the 

 claw of the third toe powerful, curved, and broad ; hinder feet 

 with five toes. 



Tail. — None. 



Habitat. — Southern Africa. 



Genus. — Astromyctes. 



3 3 



Teeth. — I. , the lower projecting forward; seven molars 



3—2 



on each side of upper jaw, and eight in the lower. 



Head.— Muzzle elongated, with a curiously radiated extremity — 

 Ears very small. 



Limbs. — Feet with five toes. 



Tail. — Moderate, sparsely covered with hair. 



Habitat. — Northern America. 



Teeth. — I. , those of lower jaw projecting forwards, and 



o — o 



the four central larger than the others ; lower molars divided by 



4—4 



3-3 



Head. — Muzzle slender and elongated — Ears rather large. 



Teeth.— I. 



3—3 



Genus. — Macroscelides. 

 , all small ; seven molars on each side of upper 



jaw, and either eight or nine on each side of the lower. There 



4-4 4-4 



are no true canines ; true molars, , or . 



3—3 4-4 



Head. — Muzzle elongated into a slender proboscis, the nostrils 

 being at the extremity — Eyes moderately large — Ears large, 

 thickly covered with hair. 



Limbs. — Fore-feet with five toes ; hind-feet much larger than 

 fore, and furnished with short, sharp, slight, and compressed claws. 



Tail.— Long. 



Hab itat. — Africa. 



Genus. — Sorex. 



3 3 



Teeth. — I. , the upper being long, curved, and notched at 



2 — 2 



their bases, the lower projecting almost horizontally. No true 

 canines. Five small teeth in upper jaw between the incisors and 



4 4 



true molars ; the lower incisors serrate. True molars, . 



3—3 



Head. — Muzzle lengthened and sharp — Eyes small, and ears 

 broad. 

 Limbs. — Feet all with five toes. 

 Tail.— Moderate. 

 Habitat. — Europe. 



Genus. — Crossopus. 



Teeth. — Only four small intermediate teeth in upper jaw, and 

 the lower incisors not serrate. 



Limbs. — Feet and toes edged with stiff hairs. 

 Habitat. — Europe. 



Genus. — S( >1 <' nodon . 



3 3 7 7 4 4 



Teeth. — I. , M. . No true canines ; true molars, . 



3-3 7—7 4-4 



The middle incisors of upper jaw large and triangular, separated 

 from the others by a narrow space. Two middle incisors of lower 

 jaw sm:ill and narrow, next two long, conical, and grooved on the 

 inside. 



Head. — Upper jaw larger than the lower — Muzzle elongated, 

 with a proboscis — Eyes very small — Ears round, and nearly naked. 



Limbs. — Feet with five toes. 



Tail. — Long and cylindrical, covered with scales for the greater 

 part of its length. 



Habitat. — St. Domingo. 



Teeth.— I. 



1—1 



Genus. — Galemys. 



, those of upper jaw large, broad, and trian- 



4 4 



gular ; no true canines ; true molars, . 



s ' 3-3 



Head. — Muzzle elongated, with a slender, depressed proboscis. 

 Limbs. — Feet with five toes, and palmate. 



Tail. — Long, compressed at tip, and scantily covered with hair. 

 Habitat. — South-eastern parts of Russia and the Pyrenees. 



Genus. — Gymuura. 



q o I 1 4 4 o 3 



Teeth— I. — , C. — -, P. = = =, M. - - = 44. Some con- 

 3—3 1-1 4—4 3—3 



sider the canines to be only false molars ; two middle incisors of 

 upper jaw large, two next small. 



Head. — Muzzle elongated, and blunt at extremity — Ear round 

 and naked. 



Limbs. — Feet with five toes, three central toes largest. 



Body. — Long bristles scattered among the fur. 



Tail.— Rather long, scantily haired, and scaly. 



Habitat. —Malacca and Sumatra. 



