CONTENTS 



Page. 

 I. Geological Observations in Fiji. By Wilbur Garland Foye 1 



II. Size Variation in Tracheary Cells: I. A Comparison between 

 the secondary Xylems of Vascular Cryptogams, Gymnosperms and 

 Angiospernis. By I. W. Bailey and W. W. Tupper . . . 147 



III. New Laboulbeniales from Chile and New Zealand. By Roland 



Thaxter 205 



IV. /. Diagnoses and Notes relating to tropical American Eupatorieae. 



II. A descriptive Revision of the Columbian Eupatoriums. 



Ill . Keyed Recensions of the Eupatoriums of Venezuela and Ecuador. 



By B. L. Robinson 233 



V. A new Geometrical Model for the orthogonal Projection of the Cosines 



and Sines of complex Angles. By' A. E. Kennelly' .... 369 



VI. Records of Meetings 381 



Biographical Notices 411 



Officers .a.nd Committees for 1919-20 424 



List of Fellows and Foreign Honorary Members 425 



Statutes and Standing Votes 443 



Rumford Premium 4.57 



Index 459 



