COMPENDIUM OF GENERIC DISTINCTIONS. 



785 



Genus. Talpa. 



33 i i 44 33 

 Teeth. I. , C. , P. , M. = 44- 



44 i i 33 33 

 oo 



According to some, C. , their place being occu- 



o o 

 pied 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 backwards ; claws very strong. 



Tail. Very short. 



Habitat. Europe. 



Genus. Scalops. 



33 , i i 4 4-4 3-3 

 Teeth. I. , C. , P. , M. = 44. 



33 i i 44 33 

 Two middle incisors of upper jaw large, and the 

 others small. 



Head. Muzzle elongated, with a proboscis-like 

 nose Eyes minute. 



Limbs. Feet with five toes. 



Tail. Short, and thinly covered with hair. 



Habitat. Northern America. 



Genus. Chrysochl6ris. 



3 3 

 Teeth. I. on either side ; seven molars on 



each side in each jaw, having a space between them. 



Head. Muzzle elongated and naked Eyes cov- 

 ered 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. 



33 

 Teeth. I. , the lower projecting forward; 



2 2 



seven molars on each side of upper jaw, and eight in 

 the lower. 



Head. Muzzle elongated, with a curiously ra- 

 diated extremity Ears very small. 



Limbs. Feet with five toes. 



Tail. Moderate, sparsely covered with hair. 



Habitat. Northern America. 



Genus. Tupaia. 



2 2 



Teeth. I. , those of lower jaw projecting for- 



33 



wards, and the four central larger than the others ; 

 lower molars divided by a transverse groove ; true 



44 



molars, . 



Head. Muzzle slender and elongated Ears 

 rather large. 



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 ex- 

 traordinary tail. 



Genus. Macroscelides. 



3 3 

 Teeth. I. , all small ; seven molars on each 



2 2 

 50 



side of upper jaw, and either eight or nine on each 

 side of the lower. There are no true canines ; true 



44 44 

 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. 



Habitat. Africa. 



Genus. Sorex. 



3 3 

 Teeth. I. , the upper being long, curved, and 



2 2 



notched at their bases, the lower projecting almost 

 horizontally. No true canines. Five small teeth 

 in upper jaw between the incisors and true molars; 



44 

 the lower incisors serrate. True molars, . 



33- 



Head. Muzzle lengthened and sharp Eye* 

 small, and ears broad. 

 Limbs. Feet all with five toes. 

 Tail. Moderate. 

 Habitat. Europe. 



Genus. Cr6ssopus. 



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. Sole"nodon. 



33 77 

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



33 77 



4 4 



molars, . The middle incisors of upper jaw 



44 



large and triangular, separated from the others by a 

 narrow space. Two middle incisors of lower jaw 

 small 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. 



Genus. Galemys. 

 I i 



Teeth. I. , those of upper jaw large, broad, 



2 2 



44 

 and triangular ; no true canines ; true molars, . 



33 



Head. Muzzle elongated, with a slender, de- 

 pressed proboscis. 



Limbs. Feet with five toes, and palmate. 

 Tail. Long, compressed at tip, and scantily cov- 

 ered with hair. 



Habitat. Southeastern parts of Russia and the 

 Pyrenees. 



Genus. Gymnura. 



33 i * 44 33 

 Teeth. I. , C. , P. , M. = 44. 



33 i 1 44 33 

 Some consider the canines to be only false molars ; 

 two middle incisors of upper jaw large, two next small 



