OPHIDIA COLUBRIDAE EUTAENIA SCALARIS. 549 



"E.hammoKdii, Kennicott, Proc.Acad. Nat. Sci. Phila., I860, 332. Form 

 slender; head long and narrow posteriorly ; snout long, narrow, and obtuse; 

 no dorsal stripe; lateral stripe olive-yellow on second and third rows; back 

 uniform dark olive-brown or blackish, without distinct spots ; abdomen 

 whitish olive, lighter anteriorly, and a dark line along the middle pos- 

 teriorly. 



"E. concinna, B. and G., Catalogue. Body stout; head small and red- 

 dish-yellow ; scales all carinated ; above black, with a dorsal, light stripe, 

 and the usual lateral stripes replaced by a series of distinct salmon-colored 

 spots. 



"E. elegans, B. and Gr., Catalogue. Resembles E. proxima. Head short 

 and broad ; black above, light beneath ; a broad, ochraceous, dorsal stripe, 

 with two lateral greenish-white. 



" ''E. tnarciana, B. and Gr., Catalogue. Prominent color light-brown ; a 

 vertebral paler line, and one lateral on each side, more or less indistinct ; 

 3 series of square black spots on each side, of about 50-60 in each series, 

 from occiput to anus ; sides of head black, with a crescentic patch of yel- 

 low posterior to the labial plates ; 3 and sometimes 4 black vittaj radiating 

 from the eye across the jaws ; a double white spot with a black margin on 

 the suture of occipital plates. 



"E. couchii, Kennicott, vol. x, P. R. R. Rep., 10. Body moderately 

 stout ; tail less than one-fourth total length, and very small ; head very 

 long and narrow ; dorsal stripe narrow and very indistinct ; an indistinct, 

 dull, whitish, lateral stripe on second and third rows. Above dark olive- 

 brown or black ; abdomen dark ashy-olive or black. 



2. 19 dorsal rows of scales. 



"E. pJienax, Cope, Proc. Acad. Nat. Sci. Phila., 1868, 134. Resembles 

 E. sirtalis, but is cross-banded. Head short, muzzle obtuse, eye large ; 

 above reddish-olive, crossed by 36 transverse spots, which are bright 

 brownish-red, with a narrow black margin ; no lateral stripes ; abdomen 

 strong green, unspotted. Mexico. 



"E^ scalaris, Cope. Form stout; temporal small, not attaining the 

 reduced last upper labial ; superior labials 7 ; nuchal blotches same color 



