CONTENTS. 



PAGE. 



Table of Contents iii 



List of Members. Revised to December 31, 1905 v 



1. Patrons. 



2. Honorary Members. 



3. Active Members. 



Constitution xiii 



By-Laws xvii 



Abstract of History xxii 



Rkcord. January 1 to Dec. 31, 1905 xxvii 



Papers Published. January 1 to December 31, 1905: 



1. L. WiTTMACK. — Our Present Knowledge of Ancient 



Plants. — Issued February 25, 1905 1 



2. Thos. L. Casey. — A Revision of the American Paeder- 



ini. — Issued April 4, 1905 17 



3. Frank Collins Baker. — The Molluscan Fauna of 



McGregor, Iowa. — Issued May 9, 1905 249 



4. Stuart Weller. — Paraphorhynchus A New Genus of 



Kinderhook Brachiopoda. — Plate I. — Issued May 



9, 1905 259 



5. Walter C. G. Kirchner. — The Bacteriological Exami- 



nation of River Water. — Fig 1. — Issued August 5, 

 1905 r 265 



6. Title-Page, prefatory matter and index of Vol. XV. — 



Record, January 1 to December 31, 1905. — Issued 



March 1, 1906. . 



List of Authors 299 



General Index 300 



Index to Genera 302 



