CONTENTS. 



PAGE. 



Table of Contents iii 



List of Members. Revised to December 31, 1906 v 



1. Patrons. 



2. Honorary Members. 



3. Active Members. 



Constitution ci 



Bt-Laws cv 



Abstract of History ex 



Record. January 1 to Dec. 31, 1906 cxiv 



Papers Published. January 1 to December 31, 1906: 



1. . — Celebration of tlie Fiftieth Anniversary of the 



First Meeting. — Issued July 23, 1906 xv 



2. Frank Collins Baker. — Notes on a Collection of Mol- 



lusks from the Vicinity of Alpena, Michigan. — Plate 



I. —Issued May 21, 1906 1 



3. Francis E. Nipher. — On Pressure Measurements in a 



Fluid Stream. — Issued May 31, 1906 17 



4. N. M. Glatfelter. — Preliminary List of Higher Fungi 



Collected in the Vicinity of St. Louis, Mo., from 1898 



to 1905.— Issued June 14, 1906 33 



6. Robert J. Terry. — The Nasal Skeleton of Ambly stoma 

 punctatum (Linn.). — Plates II-V. — Issued Decem- 

 ber 1, 1906 95 



6. Thos. L. Casey. — Observations on the Staphylinid 



groups Aleocharinae and Xantholinini, chiefly of 

 America. — Issued November 22, 1906 125 



7. Stuart Weller. — Kinderhook Faunal Studies. IV. 



The Fauna of the Glen Park Limestone. Plates VI, 

 VII. —Issued December 11, 1906 435 



8. B. M. DuQQAR. —The Relation of Certain Marine Al- 



gae to Various Salt Solutions. — Issued December 21, 

 1906 473 



9. Title-Page, prefatory matter and index of Vol. XVI. — 



Record January 1 to December 31, 1906. —Issued 



February 28, 1907. 



List of Authors 491 



General Index 493 



Index to Genera 495 



