Barnes on Batracian Animals and doubtful Reptils. 277 
quality of being able to resist cold, and to sap ivet after hay- 
ing been for a long while pressed under the 
2. WATER SALAMANDERS. —TRITONS. Laurenti. 
These have, permanently, a vertically compressed tail. 
The male, during the pairing time, in the spring, has a crest 
and other ‘ornaments, by which he is eminently Lotocanber 
Several water salamanders have, of late, been described 
by different authors, under various other names. 
cause of the mistake seems to be, that the animals were im- 
mature, not having dropped the deciduons organs. Under 
this description may perhaps be classed the following animals, 
which are believed to be, 
Warer SALAMANDERS NOT FULLY EVOLVED. 
arene operculée, Palisot de Bauvois, 
Am. Phil. Society’s Transactions, vol. 4, 
re ae Siren of Barton. (CUVIER.) 
Proteus Neo-Cesariensis of Prof. Green 
Jour. Acad. Nat. Sci. Philadelphia, vol, 7: p. 4 
Several othe reptils have been sup pposed to ws here, 
which are now described as mature animals, for reasons giv 
en under the genus Proteus, 
REMARKABLE SPECIES. 
The species of this genus are very numerous im our coun- 
try ; so much so that it may be called the native region of 
Salamanders. If time and circumstances mit, a mone- 
graph of this genus may expected Re In the 
mean time the egehinany remarks are su pmpiute to the scien- 
him denominate 
is caiaeena PERSPICILLATA. 
Bibliotica Italiana No. 65. (Rev. Encyc.) 
is not a salamander, as that genus is limited in this paper, 
for it has four toes'on the hind feet, (“* palmis plantisque 
tetradactylis,”,) contrary to the analogy of all the five pre- 
ding genera. But this is not all. “Tt has knotty oF Spi- 
* See vol. 5, page 174. 
