MAMMAtS. 
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-tailedfield 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. 
