124 
('Muskquash' or ^Musk-rat/ of the Anglo- 
Americans.) 
Hab. N. America. 
A. Stuifed specimen. Presented by Dr. 
Kiippell (1855), J. A, S. XXIV, 252. 
Genus Arvicola, Lacepede {HypudcBus, Illiger ; Bra- 
chyurusy G. Fischer). 
306. A. AMPHIBIA (Buffon, H. N., VII, t. 43). 
Syn. Mus amphibius, M. terrestrisy et M. 
paludosus, L. 
Lemmus aquaticus^ F. Cuv. 
A. aquatica (?), de Selys Longchamps. 
A. destructor (?), Savi, apud Gray. 
Hab. Europe. 
A, B. Stuffed specimens from England. 
Presented bv Mr. Bartlett (1842). G. 
Another. Presented by Col. C. Tytler 
(1862). D, One entire in spirit. From the 
Christiania University (1846). E, Black 
stuffed example. Presented on the part of the 
Montrose museum, by A. Mitchell, Esq. 
(1855).* Skeleton. Presented by J. H. 
Gurney, Esq. (1860), J, A, S., XXIX, 206. 
307. A. NIVALIS, Martin, Ann. des. Sc. Nat, 1843. 
Syn. HypudcBus alpinus, Schreber. 
Hab. Swiss mountains, near the snow-line. 
A, Specimen from Mt. St. Gothard. Pre- 
sented by Mons. A. Malherbe (1842). 
308. A. GLAREOLA (Schreber, t. 190, b). 
Syn. M. glareolus, Schreber. 
M. rutilus, var., Pallas. 
A. rip aria, YarrelL 
A. fulvus, Millet. 
A. rufescens, Selys. 
A, pratensis, Baillon. 
* Long before leaving England C1841), I was assured of the existence of 
a black race of this animal in Aberdeenshire ; as also of the large race of Mus 
sylvaticus, in the Highlands of Scotland, of which the Society's museum con- 
tains specimens from France and Switzerland. 
