616 
Proceedings of the Boyal Society 
rate of growth of peat, changes in the surface deposits of the loca- 
lities referred to, &c. 
I visited Lewis last summer, chiefly with the view of looking at 
its zoology and surface geology. In the present paper, attention 
is limited to the mammals, birds, reptiles, and land mollusca. 
MAMMALIA. 
Vespertilionid^ 
, Common Bat, 
Vespertilio pipistrellus. 
Mustelidje, 
Otter, 
Lutra vulgaris. 
Common Martin, . 
, Maries foina. 
Phocid^. . 
Common Seal, 
Phoca vitulina. 
Grey Seal, . . . . 
Halichcerus gryphus. 
Murids, . 
Common Mouse, . 
Mus musculus. 
Norway Eat, 
Mus decumanus. 
Leporid^e, 
Common Hare, 
Lepus timidus. 
Alpine Hare, 
Lepus variabilis. 
Cervid^, . 
Red Deer, . . . . 
Cervus elaphus. 
DELPHINIDiE, 
Common Porpoise, 
Delphina phoccena. 
Grampus, . . . . 
D. orca. 
Round-headed Porpoise, 
Phoccena Melcts. 
AVES. 
Falconid^, 
Ring-legged Buzzard, . 
Buteo lagopus. 
Common Buzzard, 
B. vulgaris. 
Golden Eagle, 
Aquila chrysaetus. 
White- tailed Sea Eagle, 
Haliaetus alhicilla. 
Fishing Osprey or Fish Hawk, 
Pandion haliaetus. 
Iceland or Jer-Falcon, . 
Falco gyrfalco. 
Peregrine Falcon, 
F. peregrinus. 
Merlin, .... 
F. cesalon. 
' - 
Kestrel, .... 
Sparrow Hawk, . 
F. tennunculus. 
Accipiter nisus. 
Strigid^, . 
Snowy Owl, 
Syrnea nyctea. 
Common Owl, 
Strix aluco. 
Barn Owl, .... 
S. flcmmea. 
Bare-Toed Day Owl ( ?) , | 
Noctua nudipes, 
Gould, (?). 
IIlRUNDINID^,, . 
Chimney Swallow, 
Hirundo rustica. 
Sand Martin, 
H. reparia. 
Caprtmulgid^, 
Goatsucker, .... 
Caprimulgus Europceus. 
