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Transcriber's Note

Typographical corrections are listed at the end of this version. The list of publications has been compiled after the article's text.

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UNIVERSITY OF KANSAS PUBLICATIONS MUSEUM OF NATURAL HISTORY

Volume 15, No. 6, pp. 251-295, 9 figs.

October 4, 1963

A Revision of Snakes of the Genus Conophis (Family Colubridae, from Middle America)

BY JOHN WELLMAN

UNIVERSITY OF KANSAS LAWRENCE 1963

UNIVERSITY OF KANSAS PUBLICATIONS, MUSEUM OF NATURAL HISTORY

Editors: E. Raymond Hall, Chairman, Henry S. Fitch, Theodore H. Eaton, Jr.

Volume 15, No. 6, pp. 251-295, 9 figs. Published October 4, 1963

UNIVERSITY OF KANSAS Lawrence, Kansas

PRINTED BY JEAN M. NEIBARGER. STATE PRINTER TOPEKA. KANSAS 1963

29-5936

A Revision of Snakes of the Genus Conophis (Family Colubridae, from Middle America)

JOHN WELLMAN

CONTENTS

PAGE

INTRODUCTION 253

ACKNOWLEDGMENTS 254

MATERIALS AND METHODS 254

GENUS Conophis Peters 255 Key to the Species and Subspecies 257 Analysis of Characters 257 Scutellation 258 Size and Proportions 258 Color Pattern 260 Sexual Dimorphism 260 C. lineatus 262 C. lineatus dunni 262 C. lineatus lineatus 267 C. lineatus concolor 270 C. nevermanni 272 C. pulcher 274 C. vittatus 277 Skull 282 Dentition 288 Vertebrae 288 Hemipenes 289 Food and Feeding 289 Effect of Poison 290

TAXONOMIC RELATIONSHIPS AND EVOLUTION 291

SUMMARY 292

LITERATURE CITED 293

INTRODUCTION