. Bulletin - United States National Museum. Science. Figs. 244-246.—Natrix stolata. 2 X nat. size. 244, top of head; 245, side of head; 246, under- side OF HEAD. No. , narrow black crossbars alternating on each side of the median line anteriorly but continuous farther back; across tliis pattern two longi- tudinal, dorso-lateral pale bands occupying the whole of sixth scale row and the adjacent halves of fifth and seventh rows; posteriorly these bands are nearly uniformly pale, but anteriorly they exhibit a kind of chain pattern, inasmuch as the outer edges of the middle scale ro
. Bulletin - United States National Museum. Science. Figs. 244-246.—Natrix stolata. 2 X nat. size. 244, top of head; 245, side of head; 246, under- side OF HEAD. No. , narrow black crossbars alternating on each side of the median line anteriorly but continuous farther back; across tliis pattern two longi- tudinal, dorso-lateral pale bands occupying the whole of sixth scale row and the adjacent halves of fifth and seventh rows; posteriorly these bands are nearly uniformly pale, but anteriorly they exhibit a kind of chain pattern, inasmuch as the outer edges of the middle scale row are black except where the band intersects as black cross- bar; below the lateral band many small irregularly alternating black spots; top of head with obscure dusky edges to the shields; no nuchal collar; supralabials whitish, the light color extendmg upward on the preocular and the lower postoculars, the vertical edges of the labials heavily margined with black as are also the preocular m front and the postoculars behind, the vertical, black edged, white bar in front of the eye being very characteristic; underside uniform whitish, each ventral with a black mark near the outer Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original United States National Museum; Smithsonian Institution; United States. Dept. of the Interior. Washington : Smithsonian Institution Press, [etc. ]; for sale by the Supt. of Docs. , U. S. Govt Print. Off.
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Keywords: ., bookauthorun, bookcentury1800, bookdecade1870, booksubjectscience
