. Bulletin - United States National Museum. Science. Figs. 260-262.—Enhydris plumbea. 2 X nat. size. 260, top of head; 261, side of head; 262, under- side OF head. No. 11a, Sci. Coll. Tokyo. loreal, which is slightly longer than high; eye small, its diameter less than its distance from edge of lip; one preocular, not in contact with frontal; two postoculars; temporals 1+2; 8 supralabials, increasing in height backward to the seventh, which is largest, and much higher than eight, first in contact with loreal, separating posterior nasal from second supralabial, fourth and fifth entering eye; fiv
. Bulletin - United States National Museum. Science. Figs. 260-262.—Enhydris plumbea. 2 X nat. size. 260, top of head; 261, side of head; 262, under- side OF head. No. 11a, Sci. Coll. Tokyo. loreal, which is slightly longer than high; eye small, its diameter less than its distance from edge of lip; one preocular, not in contact with frontal; two postoculars; temporals 1+2; 8 supralabials, increasing in height backward to the seventh, which is largest, and much higher than eight, first in contact with loreal, separating posterior nasal from second supralabial, fourth and fifth entering eye; five lower labials in contact with anterior chin-shields; posterior chin-shields slightly shorter than anterior, separated from each other by two scales; 19 rows of smooth scales without apical pits; 130 ventrals; anal divided; 31 pairs of subcaudals. Color (in alcohol) above uniform slate gray; labials and two outer scale rows whitish with gray edges; underside whitish, each scute with lateral edge and base narrowly margined with dark gray and with a median basal spot of the same color; on anal shield and the underside of the tail a sharply defined jnedian, line of dark 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
