119 



Genus ERETHIZON, Gray. 



776. The Cawquaw or Urson (Erethizon dorsatum, Gray; Hystrix dor- 



sata, Linn.). 



Pig. Linn. Syst. Nat. p. 76. Cat. of Mammalia in Brit. Mus. p. 123. 

 Hob. North America. Purchased. 



Family 

 Genus Mus, Linn. 



777. The Common Mouse (Mus musculus, Linn.). 



Fig. Linn. Syst. Nat. p. 80. Cat. of Mammalia in Brit. Mus. p. 111. 

 Hab. Europe. 



778. The Common Mouse (Mus musculus, Linn.). 



Hab. Europe. 



779. The Common Mouse (Mus musculus, Linn.). (Var. alba.} 



Hab. Europe. 



780. The Common Mouse (Mus musculus, Linn.). 



This specimen was exhibited in London some years since as the " Singing 

 Mouse." 



781. The Harvest Mouse (Mus messorius, Shaw ; Micromys minutus, 



Selys-Longchamps). 



Fig. Shaw, Gen. Zool. vol. ii. p. 62. Penn. Brit. Zool. vol. ii. p. 384. 

 Hab. England. 



782. The Black Rat (Mus Rattus, Linn.). 



Fig. Linn. Syst. Nat. p. 80. Cat. of Mammalia in Brit. Mus. p. 109. 

 Hab. Europe. Presented by Frank Buckland, Esq., M.A. 



783. The Norway Rat (Mus decumanus, Pallas). 



Fig. Cat. of Mammalia in Brit. Mus. p. 1 08. 

 Hab. Europe. 



