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Number 13                                                                                 June, 1971

PAPERS ON OLMEC AND MAYA

ARCHAEOLOGY

Grateful acknowledgment is made to Dean Sanford S. Elberg, Grad-
uate D'iv'ision, for a Grant-in-Aid to publish the present volume.

p                                 AA

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CONTRIBUTIONS

OF THE

UNIVERSITY OF CALIFORNIA

ARCHAEOLOGICAL RESEARCH FACILITY

Number 13

June, 1971

PAPERS ON OLMEC AND MAYA ARCHAEOLOGY

Grateful acknowledgement is made to Dean Sanford S. Elberg, Graduate
Division, for a Grant-In-Aid to publish the present volume.

UNIVERSITY OF CALIFORNIA

Department of Anthropology

Berkeley

CONTENTS

Page
I.     AN HYPOTHESIS ON OLMEC ASTRONOMY, WITH

SPECIAL REFERENCE TO THE LA VENTA SITE,

byMarionPopenoeHatch ...............                            1

II.    THE OBSIDIAN OF TRES ZAPOTES,

by Thomas R. Hester, Robert N. Jack, and

RobertF.Heizer ..........,..................            -   65

III. TECHNOLOGY AND GEOLOGIC SOURCES OF OBSIDIAN FROM

CERRO DE LAS MESAS, VERACRUZ, MEXICO, WITH
OBSERVATIONS ON OLMEC TRADE,

by Thomas R. Hester, Robert F. Heizer and

Robert N. Jack .................                          133

IV.    NON-CLASSIC INSCRIPTIONSAND SCULPTURES AT SEIBAL,

by John A. Graham ................. .                            143

V.     A MAYA HIEROGLYPH INCISED ON SHELL,

byJohnA.Grah a..................                                 155

VI.    TWO UNUSUAL MAYA STELAE,

byJohnA. Graham andHowel Williams..... . . . .