SPECIES OF MAMMALIA. 



611. 6, C. Furunculu s{Ba.rsihei Hamster.) Ashy above 

 with a black dorsal line ; belly and paws white. Body about 

 four inches long; tail one inch. 



Mus Furunculus, Pallas, Giires, 86, and Mus Barabensis, 

 ejusd. Voyage, ii. 704. Furunculus Myoides, Messer- 

 schmid, Mus. Petrop. 343. 



Baraba Rat, Pen. Quad. ii. 213. L'Orozo, Vicq. d'Azyr. 

 Syst. des Anim. ii. 412. 



Icon. Pallas, Giires, tab. 15, B. Schreber, 202. Ency. 

 Method. t.l\,f.2. 



Inhabits the sandy plains of Baraba. 



612. 7. C. Bursarius (Canada Hamster.) Gray; anterior 

 feet pentadactylous, armed with long digging nails ; ears 

 short ; body cylindrical ; about as big as the Norway Rat. 



Mus Bursarius, Liji. Trans, v. 227. Mus Saccatus, 

 Mitchell, New York Medical Repository, Jan. 1821. Geo- 

 mys Cinereus, Raffinesque, Amer. Monthly Mag. 1817, 

 45. 



Canada Rat, Shaw's Zoology, ii. pi. 1, 100. Sand Rat, 

 Geoff. 



Icon. Li?i. Trans. I. c. Shaw, i. t. 



Inhabits Canada. 



Obs. Raffinesque appropriates this to a distinct genus, 

 Geomys, distinguished by the five toes on the fore-feet, and 

 the subterranean habits. Its teeth are still uncertain, and 

 its location consequently conditional. Say formed it into 

 a genus, under the name of Pseudotoma. 



613. 8. C. Laniger (the Chinciiilla Hamster.) Gray and 

 white, waved ; ears large and round ; tail short, furnished 

 with longish stiff hairs ; fur of the body extremely soft and 

 downy. 



Mus Laniger, Molina, Chili, 283. Cricetus Laniger, 

 Geoff. Collect, du Mus. 



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