CONTENTS 
HELEN ABBOTT MICHAEL — BIOGRAPHICAL SKETCH . . 3 
STUDIES IN PLANT AND ORGANIC CHEMISTRY 
Introduction .in 
Some Observations on the Nutritive Value oe Condiments 114 
Preliminary Analysis of 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 Hematoxylin 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 
Über eine Neue Bildungsweise von Aromatischen Nitrilen 286 
Zur Kenntniss der Mandelsäure und ihres Nitrils . . .292 
Zur Kenntniss der Addition von Brom und Chlor zu Fester 
CrotonsÄure .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.410 
