. Bulletin - United States National Museum. Science. REVISION OF THE KING SNAKES. 119 scales are lighter and the beUy is apt to be veiy hght, due to a fading of the small quadrate dark spots. This darkening and striping seems to progress with age. Its beginnings may be detected in specimens that still show the normal pattern slmrply defined. These darkened individuals seem to come chiefly from the region from eastern Mis- souri to Indiana. The copulatory organ (fig. 2) is bilobed; the sulcus single, extend- ing over the longer lobe and ending in a smooth area on the distal end of the shorter l


. Bulletin - United States National Museum. Science. REVISION OF THE KING SNAKES. 119 scales are lighter and the beUy is apt to be veiy hght, due to a fading of the small quadrate dark spots. This darkening and striping seems to progress with age. Its beginnings may be detected in specimens that still show the normal pattern slmrply defined. These darkened individuals seem to come chiefly from the region from eastern Mis- souri to Indiana. The copulatory organ (fig. 2) is bilobed; the sulcus single, extend- ing over the longer lobe and ending in a smooth area on the distal end of the shorter lobe; calyces best developed on the longer lobe, strictly apical, barely showing in a side view of the fully distended. FiQ. 40.—Color pattern of Lampeopeltis caluqaster ( no. 61726, Jerseyville, Jerset County, Illinois), showing the striped effect commonly exhibited by dark individuals. About li XiNAT. SIZE. organ; fringes few and short; spines short and stout, increasing gradually in size to a little more than a third of the way to the base, stopping suddenly; minute spines may succeed the large ones for a few millimeters; basal portion of organ smooth. The skull is very similar to that in the getulus group, and to that of rhomhomaculata. Maxillary teeth, 12 to 14, usually 13 or 14, sub- equal, the anterior and posterior ones slightly smaller than those in the middle; mandibular teeth 13 or 14, the posterior smallest, the fourth to seventh largest; palatines subequal, larger than the pterygoids, 9, 10, or 11 in number; pterygoids 12 to 19, most com- monly 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 Pr


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Keywords: ., bookauthorun, bookcentury1800, bookdecade1870, booksubjectscience