TABLE OF CONTENTS 
NuMBER 1 (September 8, 1967) 
Bat Cave Revisited 
By Pau. C. Manceusporr, Hersertr W. Dick 
AND JULIAN CAMARA-HERNANDEZ ......1 
NUMBER 2 (December 27, 1967) 
Prehistoric Maize, Teosinte, and Tripsacum from 
Tamaulipas, Mexico 
By Paut C. Mancetsporr, RicHarp S. 
MacNeEIsH aND Watton C. GALINAT . . . 33 
NuMBER 38 (November 22, 1968) 
Catalogue of Infrared Spectra of Fossil Resins 
(Ambers) [—North and South America 
By JEAN H. LANGENHEIM AND Curt W. BEcK 65 
Number 4 (January 10, 1969) 
De Plantis Toxicariis e Mundo Novo Tropicale 
Commentationes III. Phytochemical Exami- 
nation of Spruce’s Original Collection of 
Banisteriopsis Caapi 
By Ricnuarp Evans Scuuutes, Bo HOLMSTEDYT 
AND JAN-ERIK LINDGREN. ....... . 121 
De Plantis Toxicariis e Mundo Novo Tropicale 
Commentationes IV 
By Ricuarp Evans SCHULTES. ..... .. . 138 
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