28 EUTAINIA. 



scales and sides of abdomen deep blue-black, becoming greenish to- 

 ward the middle of the abdomen ; anteriorly the color shows more 

 white. 

 Puget Sound, Or. 170. 86. 19. 18. 4i. (on dep.) Expl. Exped. 



In other specimens the lateral lines are better defined, though al- 

 ways more irregular than usual. Sometimes the color above is more 

 brown than described ; inferiorly, however, there is always a slate- 

 blue tint, especially behind. 

 Puget Sound, Or. 166. 87. 19. 21 J. 5*. (on dep.) Expl. Exped. 



" " 161. 75. 19. 26. 5i. " " 



In this species the inequality between the exterior dorsal row of 

 scales and the rest is inconspicuous. The former is rather the larger, 

 and little or not at all carinated. The second row is about the same 

 size as the rest. The eyes are larger, and the head shorter than in 

 E. leptocepliala, from the same locality. 



Collected by the United States Exploring Expedition, and dedi- 

 cated to the discoverer, Dr. Charles Pickering. 



6. Etltaillia parietalis, B. & G. — Above olive-brown; beneath 

 slate-color. Longitudinal stripes greenish. Spaces about and between the 

 dark spots on the sides, brick red, these colors belonging to the skin, not to 

 the scales. 



Syn. Coluber parietalis, Sat, m Long's Exped. to Rock. Mts. I, 1823, 186. 

 — Hael. Journ. Acad. Nat. Sc. Philad. V, 1827, 349. 



Body apparently more slender than E. sirtali.s. In many respects 

 resembling E. Pkkeringii. The only specimen being a stretched skin 

 preserved in alcohol, the colors are somewhat difficult of definition. 

 Above dark olive, beneath light slate-color, except the inferior sur- 

 face of the head, which is yellowish white. A broad longitudinal 

 dorsal line of one and two half-rows of scales, and an equally dis- 

 tinct one on each side on the second and third dorsal rows, of a 

 greenish slate. The sides of the abdomen and the exterior dorsal 

 row are dark slate-brown. When the skin is stretched, there are 

 seen on each side, between the dorsal and lateral rows, two rows of 

 quadrate black blotches, the first quite distinct, between the third and 

 sixth rows ; the second between the sixth and vertebral line, the spots 



