Occasional Papers of the California Academy of Sciences
Occasional Papers of the California Academy of Sciences
California Academy of Sciences
The book Occasional Papers of the California Academy of Sciences was written by author California Academy of Sciences Here you can read free online of Occasional Papers of the California Academy of Sciences book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Occasional Papers of the California Academy of Sciences a good or bad book?
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Plates on top of head, a pair of intemasals, a pair of pre- frontals, a short, broad, irregularly wedge-shaped frontal between two supraoculars, and a pair of large parietals. Anterior and posterior nasals distinct. A small loreal present, but sometimes united with prefrontal. Two i>ost- oculars and one (or rarely two) preocular. Temporals normally two followed by three, sometimes 1+2, 1+3, 2+3 or 2+4. Seven (rarely six or eight) superior and nine (rarely eight or 10) inferior labials, fifth an...d sixth superior and fifth (or fourth) inferior largest, third and fourth super- ior reaching eye, first pair of inferior meeting on median line. Genials in two pairs, anterior larger than posterior. Scales on body smooth, thin, imbricate, often in 21 usually in 23, Digitized by Google 750 13. COLUBRIDM very rarely in 25 rows. Anal plate not divided. Gastrosteges varying in number from 1 98 to 222. Tail short but slender. Urosteges in two series of from 45 to 61. The snout may be black, white or spotted.
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