142 



UlII 



.LirriN ;!i, unitki) statks national muhkiim. 



m 



Un 



ii 



si)eciiiieii.s of precisely similar chanictor iVom iiortheni localities. Some 

 soutlu'iii speciiiieiia appeared to liiive tlie ai;;its less webbed than usual. 

 Ill certain 8i)ecimena from Sontli Carolina described by llallowell the 

 white sitots fail to exhibit themselves on the sides, the color being 

 everywhere a deep black, the gular region, lips, palms, and soles being 

 of a clear yellowish-brown. This (^institutes a well marked color vari- 

 ety, but no ditierences of a higher value can bo found. There are four 

 specimens of it in the iMusenm of the J'hiladelphia Academy. 



The range of this species is from Texas to Maine. It is recorded by 

 Packard as from Okok, Labrador (.Mem. I'.oston Soc. Nat. Hist., 1808), 

 but I suspect that this animal will be found to be the Amhly-stomu 

 jefcrsonianum var. lateralc, which has, with the .1. ,;. platincum, the 

 highest northern lange. It appears to bo common in Massachusetts 



and Maine. 



This salamander is entirely terrestrial in its habits. It is found much 

 more abundantly in the mountainous districts, and haunts rocky locali- 

 ties as well as Ibre.st mold and fallen logs. 1 have found it mote 

 abundant in Tennsylvania and New York than in southwest Virginia. 

 1 believe that it prefers a cool climate; in the Hat and warmer tertiary 

 and cretaceous eastern coast region it is rare. In southern Pennsyl- 

 vania I have only Ibund it on the northern exposure of the south Ches- 

 ter Valley hill, never on the southern exposure or other part of the, 

 north hill. In southwest Virginia it is more common in caves than on 

 the surface. 



MeaHurcmciitH, in inches. 



liPiifjtli, iiicasiircd alonj^ axis of 

 body : 



From Hiioiit to jjapo 



From suoiit to y;ular fold 



From snout to armpit 



From snout to j;roin 



From snout to beliindanus 



From snout to end of tail 



Tail 



Head : 



Width of bead 



Widtb of toiigno 



Lenyth'of orbit 



Distance bet ween'eyesanteriorly 



Distance between outer nostrils 



Distance betwcou iuuer nostrils 



.:tl 



.()(; 



. IKI 



2. 5(1 



3. (10 

 f). 1)0 



2.1)0 



.48 

 .10 

 .17 

 .■27 

 ,17 

 ,15 



IJody : 



Circumferoiico of Itelly l.Ciii 



Dist.inco between armiiit ami 

 ffroiu 1.00 



Tail: 



Heij;Iit of tail wberc liij^bcst. .. .112 

 Hreadtli of tail where lii}j[liest .. .'.]'i 



Limbs: 



Free i)ortion of lonffcst lin<;er.. . KJ 

 From elbow to tip of longest 



iingor I"»J 



Free portion of longest tot! 10 



From kneo to tip of longest toe. . 'm 

 Distance between outstretched 

 toes 1.85 



T 



