Author: Julius Hurter

Publisher: Theclassics.Us

Published: 2013-09

Total Pages: 76

ISBN-13: 9781230860688

This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1911 edition. Excerpt: ...never caught one of these snakes, I can say nothing as to its habits, but, which, undoubtedly, are very similar to those of other water snakes. 50. NATRIX GRAHAMII Baird and Girard. Graham's Water-Snake. Tropidonotus grahamii, Regina grahamii, Regina leberis var. grahami. Deson'ption.--Rostral broader than deep, visible from above. A single nasal on each side obliquely grooved below the nostril. Two anteorbitals, two postorbitals. Internasals longer than bread, as long as the prefrontals or a little shorter. Frontal one and two-thirds as long as broad, as long as its distance from the end of the snout, shorter than the parietals; loral as long as deep. Parietals large. Temporals 1-2. Seven upper labials, third entering the eye; fourth and fifth the largest. Lower labials ten; fourth and fifth the largest. Four lower labials in. contact with the anterior chin shields, which are much shorter than the posterior. Head small, not distinct from the neck. Dorsal scale rows nineteen, all keeled with the exception of the outermost, which is very feebly keeled. The three outer rows sensibly the largest, with the scales truncated posteriorly. Ventrals 156-173. Anal divided. Subcaudals 54-65 pairs. Tail about two-tenths the length of the body. Color.--Olive brown above, uniform or with a lighter black edged dorsal stripe. A broad yellowish or pale olive, black edged, stripe along the three outer rows of scales. Upper lip and lower parts yellowish, with or without a median black line or a series of spots on the posterior part of the 'belly and under the tail. Habitat.--This species occurs from Michigan to Louisiana and Texas. Missouri localities: --St. Louis, Jefferson, Jasper, Johnson, and St. Charles Counties. Illinois localities: Madison..