MAMMALS. 195 
Mus rattus.—Black rat. Seldom noticed. One 
in the cabinet of G. Leach, esq. was taken at New 
Passage. 
Mus musculus.—Common mouse. Abundant. 
Sometimes found white. A black variety is in the 
cabinet of G. Leach, esq. 
Mus sylvaticus.— Long-tailed field mouse. Com- 
mon. A pied one has been obtained at Yealmpton. 
“ Ground mouse” or “ Grass mouse” 
* Mus intermedius.—(J.C. B.) For an account 
of this new species see the subsequent part of this 
book and woodcut. 
> Mus messorius Harvest mouse. Corn lands. 
Common in Cornwall. (Couch.) 
Arvicola aquatica. (Fleming)—Water vole or 
Water rat. In banks of streams ; local, but not 
rare. Is found on the Plymouth leat; also near 
Launceston. 
Arvicola agrestis.—Field vole or Field mouse. 
Common in corn fields, grass lands, &c. Very nu- 
merous in some years. See other remarks further on. 
* Arvicola hirta. (J.C. B.)—Shaggy vole. For 
account of this newly discovered animal see another 
part of the work and woodcut. 
Sciurus vulgaris.—-Squirrel. Common in all 
our woods. I have seen a white tailed specimen at 
Yealmpton. 
Myoxus muscardinus.—Dormouse or “ Derry- 
mouse.” Not uncommon, perhaps commoner than 
in most counties. In the unique collection of 
G. Leach, esq. comprising a nearly perfect cabinet 
of British mammals, there is a white variety taken 
in Devon. 
Lepus timidus.—Hare. Common, but greatly 
reduced. White ones occur. 
Lepus cuniculus.— Rabbit. Abundant. White 
ones occur. Warrens are numerous with us. 
Z 2 
