W. G. STEVENSON. 99 



the black variety, and one specimen of the rare-white 

 or albino variety of this species. 

 S. hudsonius — red-squirrel. 



Six specimens, three old and three young. 

 Tamias striatus — chipmunk, or ground-squirrel. 



Three specimens. 

 SpermopMlus franklini — gray gopher. ■ 



Five specimens, one old, four young. 

 Arctomys monx — woodchuck or ground-hog. 



Three specimens, one old, two young. 



Family : Zapodidce. 



Zapus hudsonius — jumping mice. 

 Two specimens. 



Family : Muridce. 



Mus decumanus — brown or Norway rat. 



One specimen. 

 M. mus cuius — common house mouse. 



One specimen ; also, one specimen of the albino vari- 

 ety, and a specimen of a hybrid between common house 

 mouse and albino. 

 Hesperomys leucopus — deer mouse. 



Two specimens. 

 Fiber zibethicus — muskrat. 



Two specimens, one of which is an albino. 

 Armcola riparius— American meadow mouse. 



One specimen. 



Family : Spalacopodidce. 



Eritliizon dorsatus — white-haired porcupine. 



Two specimens, male and female, very fine and large. 



JANUARY 2, 1884— EIGHTEENTH STATED MEETING. 



Prof. W. B. Dwight, chairman, presiding ; fifteen mem- 

 bers and guests present. 



51 



