AMPHIBIA. 
251 
land." Mr. Alston wrote, commenting on this : " We are 
not aware of the species having been found in any other 
parts of the North Highlands " (Proc. Nat. Hist. Soc, Glas- 
gow, 1880, p. 149). 
Mr. Eeid tells us he never met with or heard of any species 
of newt in Caithness. 
Order BATRACHIA ANURA. 
Family BUFONID^. 
4. Bufo vulgaris, Laur. Common Toad. 
Common, and ascends clear mountain burns to a considerable 
altitude, and is fond of clear stony streams coming off 
granite. Apparently rarer in the limestone districts. 
Common, but less so than the frog. 
5. Bufo calamita, Laur. Natterjack. 
Family RANID^ffi. 
6. Rana temporaria, L. Common Frog, 
Universally distributed, but apparently rarer in limestone 
districts also. 
Common everywhere. 
7. Rana esculenta, L. Edible Frog, 
