550 ZOOLOGY BATEACHIAFS AND KEPTILES. 



as head; one series of numerous brown bars connecting the light stripes, 

 none of which are black-edged. Mexico. 



"E. cyrtopsis, Kennicott. Form slender; temporal large, margining 

 the last 3 upper labials, none of which are reduced; superior labials 8 (7); 

 general color brown ; large nuchal blotches, and a double series of very 

 small, lateral spots, black; latter forming continuous zigzag on stretched 

 skin ; no black margins. 



U E. ornata, B. and G. Form slender; tail 3 or f in total ; head nar- 

 row, elongate ; loreal longer than high ; 4 superior labials, temporal not 

 extending beyond penultimate ; above uniform, except on stretched skin, 

 where there is a broad border to dorsal vittae, and one lateral row of black 

 spots separated by rufous; 



"E. ifernalis, B. and G., Catalogue. More slender than any species of 

 this section. Head and eye large; above black; a series of about 110 

 triangular, reddish-yellow spots, confluent with the indistinct lateral stripe, 

 itself confluent with the greenish-white sides and abdomen. 



11 E. pickeringii, B. and G. Catalogue. Body slender ; black above, slate- 

 color beneath ; lateral stripe irregular, confluent with the light-colored inter- 

 vals between the dark spots. This species exhibits great variation of color, 

 principally in regard to black of abdomen. 



"E. leptocepliala, B. and G., Catalogue. Scales on the greater portion of 

 the tail scarcely carinated. The two exterior dorsal rows on each side 

 unequal, but conspicuously larger than the rest, outer one not carinated ; 

 head slender, plain above ; orbitals, 3 posterior, 2 anterior ; above light 

 olive-brown, with distinct, small, brown spots, 130 in a series; from head 

 to anus beneath pale-greenish slate ; little or no indication of a lateral stripe. 



"E. sirtalis, B. and G., Catalogue. Body among stoutest of their form; 

 olive-brown, above the lateral stripes sometimes nearly black, beneath them 

 greenish- white ; dorsal stripe narrow, encroached upon by the spot ; lateral 

 stripes inconspicuous; two or three rows of small, indistinct spots, often not 

 perceptible, especially the lower, about 70 from head to anus. 



"E. dorsalis, B. and G., Catalogue. Same size as preceding ; outer row 

 of scales emarginate ; color olivaceous ; dorsal stripe broad, yellow, mar- 

 gined with black ; a row of spots above the lateral stripe. 



