CONTENTS 



HELEN ABBOTT MICHAEL BIOGRAPHICAL SKETCH . . -3 



STUDIES IN PLANT AND ORGANIC CHEMISTRY 



INTRODUCTION in 



SOME OBSERVATIONS ON THE NUTRITIVE VALUE OF CONDIMENTS 114 

 PRELIMINARY ANALYSIS or THE BARK OF FOUQUIERIA SPLENDENS 117 



A CHEMICAL STUDY OF YUCCA ANGUSTIFOLIA 126 



CERTAIN CHEMICAL CONSTITUENTS OF PLANTS CONSIDERED IN 



RELATION TO THEIR MORPHOLOGY AND EVOLUTION . . . .168 

 ON H^MATOXYLIN IN THE BARK OF SARACA INDICA . . . .171 



PLANT ANALYSIS AS AN APPLIED SCIENCE. 175 



PLANT CHEMISTRY, AS ILLUSTRATED IN THE PRODUCTION OF 



SUGAR FROM SORGHUM 210 



THE CHEMICAL BASIS OF PLANT FORMS 232 



COMPARATIVE CHEMISTRY OF HIGHER AND LOWER PLANTS . .257 

 ON THE OCCURRENCE OF SOLID HYDROCARBONS IN PLANTS . . 280 

 UBER EINE NEUE BILDUNGSWEISE VON AROMATISCHEN NITRILEN 286 

 ZUR KENNTNISS DER MANDELSAURE UND IHRES NITRILS . . .292 

 ZUR KENNTNISS DER ADDITION VON BROM UND CHLOR zu FESTER 



CROTONSAURE 300 



ZUR CONSTITUTION DES PHLORETINS .313 



A REVIEW OF RECENT SYNTHETIC WORK IN THE CLASS OF 



CARBOHYDRATES 318 



LITERARY PAPERS 



SCIENCE AND PHILOSOPHY IN ART 349 



THE DRAMA IN RELATION TO TRUTH 364 



WOMAN AND FREEDOM IN WHITMAN 370 



THE CONCEPTION OF TRUTH AMONG THE GREEKS AND IN 

 BROWNING 393 



INDEX . 4 iQ 



409 



