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TIIK IfArKAClllA or NOl.TII AMKUICA. Ill 



f IIONDliOirs IKNHI'.UU^r.S li«l. (linl. 



Colli', Aiiicricuii Niitiirjilin(, l."^.'*/, p. 8H. 



Amhhjxiiimii li inlinisiiiii, li:iinl and (iiranl, I'l-oc. Ac. riiilj'.., H.Vi, i>. 171, tiiiil U. S. 



Kx|il. Siirv., xii.,|inrt ii., I'l. M, lij?. 1; (Jopt', rroo. Ac. I'liila , 18(17, p. i/CCJ; 



Sliamli, .S;ilaiii., p. ti:>; Uimlmmcr, Oat. Hair. (Srail. Hrit. Miis., I'd. ii, IrtS'i, p. U). 

 .\ililiiiiiin-(( liiKlinixii, (iir., l'. S, Kxpl. Kxpcd., llcrp., )>. M, IM. i, lins. <J-17. 



This .species is csiu'ciully cliaructcri/ed by its iniussive fVaiiie and huge 

 si/e among tn <> salamanders, as well as by other peculiarities, liereafter 

 to Itc mentioned. 



The skin is less glandular than in A. pnnctatiim or ^(^r/«jn)i, although 

 scattered glands may be detected (closely and evenly distributed on the 

 wlioh' back ami sides and on tiie chin. The remaining under parts and 

 snout befiu'e the eyes are smooth. 



The head is v«My massively built, large, broadest behind the eyes and 

 triangular, the sides being nearly straight to the narrow and roundt'd 

 tip. The eyes an; very large and prominent, se|>arated by less than 

 two lengtlis of the orbit, ami distant less than one length from the outer 

 nostrils, which arc separated by \\ orbits distance, and placed on the 

 side below the distinct eanthus rostralis. Tlie outer nostrils are much 

 more distant tiian the inner, which are very large, much excavated, 

 and iiave the external canal occupied by a soft, plaited membrane. 



Tlie tongue is thick and tleshy, nearly orbicular, but angular anteri- 

 orly. It tills up the lower jaw pretty well, and is more than halt' the 

 width of the head. 



Tlie palatine teeth are in two patches only; each very slightly convex 

 antericu'Iy, coming together at a slight angle, with the apex backward, 

 l)nt separated along the nu'dian line. Lateially the patches of teeth 

 form the p(»sterior margin of the inner nares, and do not extend beyond 

 their outer margin. The eidire .series is thus posterior to the nostril, 

 in younger specimens the series are more transverse, the inner extrem- 

 ities slightly incurved. 



The width of the head is contained 1;^ times in distance to gidar fold 

 and 4 times to groin. 



The l»ody is roumled and depressed. As nearly as can be ascertained 

 there are about twelve costal furrows. 



Th(^ tail in the two specimens before me is considerably less than half 

 the total length. It is much compressed from near the base, and the 

 edges near the end are (jnite sharp. It is far short of being as deep at 

 the base as the body. 



The lind)s are stout. The digits, the fingers especially, are short, con. 

 sii'erably depre.s.sed, but linear ami blunt at the tips. The under sur- 

 faces of these are souiewhat swollen into a kind of bulb, which in alcohol 

 contracts into something the appearance of a disk. The third finger is 



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