( 9 ) 



35. CastoR Fiber, Americanus. The Ame- 

 rican Beaver. p, io5. i. 



Var. B. Nigra. Blach Beaver. p. ii5. 

 Var. G. T^aria. Spotted Beaver. p. ii4. 

 Var. D. ALha. White Beaver. p. ii4. 



34. Fiber Zibethicus cuv. The Musquah. 

 p. ii5. 1. 



Var. B. Nigra. Black Musquah. p. 119. 

 Var. C. Maculosa. Pied Musquah. p. 119. 

 Var. D. Alha. White Musquah. p. 119. 



35. Arvicola riparius ord? Bank Mea- 

 dow-Mouse. p. 120. 1. 



A. supra hepatico-brunneus (ex fusco fuligineoque 

 mixtus) , subter plumbeus , auriculis mediocribus pilis 

 obvelatis , cauda longitudine capltis , pedibus albi- 

 dis. 



36. Arvicola xanthognathus leach. Yel- 

 low-cheeked Meadow-Mouse. p. 122. 2. 



37. Arvicola Pennsyhanicus ORD. IV il- 

 son's Meadow-Mouse. p. 124. 3. 



A. xan thogna tha s A B I N E i'/z F R A N K L. Journ. 

 p. 660. 



38. Arvicola Noueboracensis RicHARDs. 

 Sharp-nosed Meadow-Mouse. p. 125. 4. 



A. naso gracili acuto, auriculis prominulis , cauda 

 squamata nudiuscula caput médiocre longitudine exce- 

 dente , corpore super obscure fusco ; subter sordide 

 murino. 



39. Arvicola borealis richards. Northern 

 Meadow-Mouse. p. 127. 5. 



A. pentadactylus , auriculis vellere conditis , cauda 

 caput subaequanti, corpore villosissimo badionigi'o- 

 que subter cinereo. 



4o. 



