. Annual report of the Board of Regents of the Smithsonian Institution. Smithsonian Institution; Smithsonian Institution. Archives; Discoveries in science. Fig. 70. I'lIRYNOSOMA DOUGLASSII HERNANDESI UlRAKD. X§. Arizona. ChI. No. 1186S, which are subequal, not, or bnt slightly, larger than the largest spinose scales on the body, and turned ui)ward; they number on each side, one postorbital, one occipital, and three temporals; in very young specimens tlie spines are not distinguishable; lower labials terminating in a series of four or live large, compressed, obtuse, or pointed scales;
. Annual report of the Board of Regents of the Smithsonian Institution. Smithsonian Institution; Smithsonian Institution. Archives; Discoveries in science. Fig. 70. I'lIRYNOSOMA DOUGLASSII HERNANDESI UlRAKD. X§. Arizona. ChI. No. 1186S, which are subequal, not, or bnt slightly, larger than the largest spinose scales on the body, and turned ui)ward; they number on each side, one postorbital, one occipital, and three temporals; in very young specimens tlie spines are not distinguishable; lower labials terminating in a series of four or live large, compressed, obtuse, or pointed scales; a series of enlarged scales, as large or a little larger than, and parallel to, the lower labials; gular scales equal, smooth; gular fold strong; a dermal thick- ening, bearing a few small, erect spines, on each side, between the gular fold and the tympanum. Back and limbs with scattered, large, erect, keeled, spinose scales, which are longer than broad; a regular lateral. 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 Smithsonian Institution. Board of Regents; United States National Museum. Report of the U. S. National Museum; Smithsonian Institution. Report of the Secretary. Washington : Smithsonian Institution
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Keywords: ., bookauthorsmithsonianinstitutio, bookcentury1800, bookdecade1840