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lUO JIULLKTIN ;;i, CMTKI) STATKS NATIONAI, MUSKUM. 



CIIONIH.'OTI'S ('l.\(;ri, ATI'S CoiM'." 



AmhUjHUwm vbxjnhihm Cnpr, Vvov. Ar. I'liila., 1-(17, |.. •.'(»:,: St,„,i,|,. Si.liiin., ).. (I.".; 

 lidiilni.iiiT, Cit. ItMtr. (ir.iil. liril. Miis., cd. ii, l>.--.', \k W. 



This spt'cios ;ii»pr(tiidiL's the €. microstoiints in general, but iiiii.v be 

 mulily kiiowii b.\ its inori' cloiifiiito-ovoid head, with loiiff iniiz/.U', more 

 sleiidei' form of body, iiiid peculiar coloiiitioii. 



iMiieous (!i'.vpl.s and pores aii' not miicii devcdoped iti this animal; a 

 fi'w only of the latter extend alonj-' the superciliary rei;ioii. The costal 

 folds are fourteen, and are visible across the abdomen. 



The liead is clonijate, eonvex both transversely and loui^itudinally ; 

 the upper face of the muzzle is narrowed, and projects beyond (he 

 mandible. The width at the Jaws enters the lenjith to thi! «;roin (i\ 

 times, and 1=1 to the edjje of the }>ular fold. The external nares are 

 (juite close top-ther, nearer than the lonj;' diameter of the eye, iiml 

 nearly l.o (his diameter in advance of (he eye. The au(erior anj-ies of 

 the latter are -'.3.') diameters ai»art. The folds on the side of tin; head 

 and neck sM'e as in other species. The distancie between tlie inner nares 

 is l.GO times the distance between the external. 



The tongue is oval, (juite elon,nate, I)u( not tilling' the space between 

 the rami of the mandible; its median j;roove stronj-ly marked. 'J'he 

 palatine teeth are in a sinj;le row, sliifhtly eonvex forwards, cndrely 

 between the inner nares, their posterior margins of the cuds of (he 

 series and nares corresponding. The gape of the mouth isshorl, bu( 

 longer than in V. mirroNfomus; its external candius falls aiderior (o 

 the posterior canthus of the eye, while the anterior eanthusof (he same 

 measures the i)osterior third of the ga|)e, commencing at tins middh' of 

 the premaxillary region. 



Costal grooves fourteen; a median dorsal groove strongly marked. 

 An unusually strong fold across Ix'twien angles of mandible, wliicli 

 sends a branch to tiie orbit; gular fold continued (»n neck, sending 

 ii parotoid groove forwards. Ijength to gular (old .l.T.") in length to 

 groin. 



Length of tail nearly e«|ual from l»asis of same (o (he mental cross- 

 fold. It is of rather uniform depth, much compressed, keeled abov»5 

 and (or its distallialf below, (ieneral form of the body slender and 

 compressed, elevated at the scapular and pelvic regions. 



Limbs stout; the lingers slender, bu( not veiy elongate. Ajipressed 

 to the sides they fail of meeting by the leiiglh of the sole and longest 

 toe; length from tip to tip when outstretched, .(»() length (o groin. 

 Length of lower leg and foot, scarcely .S from muzzle to gular fold. No 

 visible plantar tubercles. Fourth toe distinctly longer than third : then 

 2, 4, 1. Fingers 3, 2, 4, 1. 



Color in alcohol black, (he under suilaces (hiekly speckled with gray. 

 A vertical narrow gray line passes between every |»air of costal folds 

 and meets its feUow on the dorsal line or bifurcates to meet a similar 

 bifurcation in like manner, end)r,icing ar. a-. These narrow annul! ex- 



*'IV\t, iijr. 117. 



F 



tend 

 extre 



Toljil 



Widlh 

 Wi.lll 



'J'he 

 Xo. 



.Imhli/sti 

 /ilii/r 



Amhljisln 



ISiijil 



Til is 



and has 



is veiy ; 



than in 



with sill 



shows tl 



probably 



pores <»r 



dent ill .v. 



The h 



t'oiislrict 



limes ill , 



head is n 



'I'lie lowe 



the lattei 



length ol 



rated I»y 



'I'iie aiitei 



instead ol 



gnlar fold 



The 1)()( 



incliidin^r 



dorsal grc 



Tiie (ail 



dricalat b 



to the (i|), 



iire siiarp. 



tlietiil. I 



