﻿CADUCIBRANCHIATE UROCELE BATRACIIIANS. 351 



1835. Salamcmdra tigrma, Harlan, Med. and Phys. Research., p. 93. 



1842. Triton tigrinus, Holbrook, N. Am. Herp. p. 79, pi. 26. 



1842. Triton tigrinus, Dekay, Natural History of New York, p. 83, pi. 15, fig. 32. 

 (A good figure.) 



1850. Ambystoma tigrina, Baird, Jour. Acad. N. S. vol. i. p. 284. 



1850. Ambystoma tigrinum, Gray, Catalogue Amphib. Br. Mus. Batrach. gradi- 

 entia, p. 35, No. 2. 



3. Ambystoma porphyriticum. 



Char. — General form more slender than that of the Ambystomata; head small, 

 convex above, rounded in front, eyes latero-superior, prominent; tongue ovoid, 

 firmly attached in front and posteriorly, more free at the sides ; internal openings of 

 the nares moderately large ; teeth in a transverse uninterrupted row, arched in front, 

 concave posteriorly ; no longitudinal rows of teeth ; skin perfectly smooth, of a 

 uniform brownish color above, lighter below ; fingers and toes free, rather slender, 

 depressed, fourth toe longer than the third ; tail much compressed, shorter than head, 

 neck and body. Length 3 inches and 10 lines. 



Habitat. — Wabash and Western Pennsylvania according to Prof. Holbrook. Habits 

 aquatic. 



One specimen presented by Dr. McMurtrie, another from Columbus, Ohio, by Mr. 

 Lesceureaux. 



Syn. Salmandra porphyritica, Green, Maclurian Lyceum. 



Salamandra porphyritica, Harlan, Medical and Physical Researches, p. 98. 



Triton porphyriticas, Holbrook, vol. v. p. 80. 



4. Ambystoma opacum. — (Blotched Salamander.) 



Char. — Body and tail above palish ash color, with broad transverse bluish black 

 blotches on the back and bars upon the tail ; throat and abdomen indigo blue, tinged 

 with purple ; tail length of body, moderately compressed. Length 3 inches 4 lines. 



Habitat. — Massachusetts, New Jersey, Ohio, South Carolina, Georgia. 



Specimens in Mus. Acad. Nat. Sci., presented by Dr. Wilson, Dr. Bache, Mr. 

 Ashmead, Dr. Leidy. 



Syn. 1826. Salamandra Gravenhorstii, Leuckart, Fitzinger, new class, Rept., 

 Wien, 4to., p. 66. 



1818. Salamandra fasciata, Green, Tailed Batrachians, Jour. Acad. Nat. Sci., vol. 

 i., part 2d, p. 350. 



1825. Salamandra fasciata, Harlan, Journ. Acad. Nat. Sci., vol. v. p. 329. 



1829. Salamandra opaca, Gravehorst, Del. Mus. Vratislav, pi. x. p. 75. 



1830. Salamandra fasciata, Wagler, Amphib., p. 208. 



