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A Taxonomic Study of the Middle American Snake, Pituophis deppei   By: (1930-)

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Transcriber's Notes

Italic typeface is indicated by underscores . Bold typeface is indicated by =equals=.

"Rijkmuseum van Natuurlijke Histoire" changed to "Rijksmuseum van Natuurlijke Historie" (Rijksmuseum van Natuurlijke Historie, Leiden)

corrected typo period for comma in (Erpétologie générale, vol. 7, p. 268)

"Chipas" changed to "Chiapas" (Guatemalan highlands and probably highlands of Chiapas)

The style of the majority of citations in this paper are of the form "(year: page)". A small number of citations been ammended to include the space following the colon.

UNIVERSITY OF KANSAS PUBLICATIONS MUSEUM OF NATURAL HISTORY

Vol. 10, No. 10, pp. 599 610, 1 pl., 1 fig. May 2, 1960

A Taxonomic Study of the Middle American Snake, Pituophis deppei

BY

WILLIAM E. DUELLMAN

UNIVERSITY OF KANSAS LAWRENCE 1960

UNIVERSITY OF KANSAS PUBLICATIONS, MUSEUM OF NATURAL HISTORY

Editors: E. Raymond Hall, Chairman, Henry S. Fitch, Robert W. Wilson

Volume 10, No. 10, pp. 599 610, 1 pl., 1 fig. Published May 2, 1960

UNIVERSITY OF KANSAS Lawrence, Kansas

PRINTED IN THE STATE PRINTING PLANT TOPEKA, KANSAS 1960

28 2493

PLATE 45

[Illustration: FIG. 1. Pituophis deppei deppei from Cumbres de Acultzingo, Veracruz, UMMZ 114596. Approx. 1/2 natural size.]

[Illustration: FIG. 2. Pituophis lineaticollis lineaticollis from Dos Aguas, Michoacán, UMMZ 119567. Approx. 1/3 natural size.]

A Taxonomic Study of the Middle American Snake, Pituophis deppei

BY

WILLIAM E. DUELLMAN

INTRODUCTION

As a part of a study of the herpetofauna of the Mexican state of Michoacán an attempt was made to ascertain the interspecific and intraspecific relationships of the various populations of Pituophis there. Field work in Michoacán revealed that two supposed subspecies of Pituophis deppei were sympatric. This discovery led to the examination of all available (124) museum specimens of these snakes.

I am grateful to the following persons who permitted me to examine specimens in their care: Charles M. Bogert, American Museum of Natural History (AMNH); Doris M. Cochran, United States National Museum (USNM); Norman Hartweg, University of Michigan Museum of Zoology (UMMZ); Robert F. Inger, Chicago Natural History Museum (CNHM); Arthur Loveridge, Museum of Comparative Zoology (MCZ); Hobart M. Smith, University of Illinois Museum of Natural History (UIMNH); and Edward H. Taylor, E. H. Taylor H. M. Smith collection (EHT HMS). Specimens in the accounts of the species are listed after the abbreviations of the institutions given in parentheses above.

HISTORICAL REVIEW

Duméril (1853: 453) described Elaphis deppei from a specimen in the Leiden Museum from "Mexico." This specimen, according to the type description, has 233 ventrals and 67 caudals. In 1863 Jan described Pituophis deppei var. pholidostictus , also with "Mexico" as the type locality. Subsequent authors (see synonymy of P. deppei deppei in Stull, 1940: 25) have treated pholidostictus as a synonym of deppei . Smith and Taylor (1950: 334) restricted the type localities of deppei and pholidostictus to San Juan Teotihuacán, México. Cope (1860: 369) described Arizona jani on the basis of a specimen in the United States National Museum from Buena Vista, Coahuila. Stull (1932: 2, 1940: 42), Smith (1944: 145) and Smith and Taylor (1945: 107) considered jani as a northern subspecies of Pituophis deppei . Arizona lineaticollis was described by Cope (1861: 300); the type, which originally was in the Academy of Natural Sciences of Philadelphia and is now lost, was said to have come from Jalapa, Veracruz. This locality probably is in error. Smith (1943: 460) placed lineaticollis as a southern subspecies of deppei ... Continue reading book >>




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