CONTENTS. 



PAGE. 



Table of Contents iii 



List of Members. Revised to December 31, 1903 v 



1. Patrons. 



2. Active Members. 



Constitution xiii 



By-Laws xvii 



Abstract op History xxii 



Record. January 1 to December 31, 1903 , xxvL 



Papers Published. January 1 to December 31, 1903: 



1. G. Hambach. — Revision of the Blastoideae, with a pro- 



posed new classification, and description of new 

 species. — Plates I. -VI. — Issued November 4, 1903.. 1 



2. Francis E. Nipher. — On the predetermination of the 



speed of the trotting horse. — Issued July 9, 1903 69 



3. Julius Hurter. — Second contribution to the herpetol- 



ogy of Missouri. — Issued July 31, 1903 77 



4. Walter L. Sheldon. — A bird's-eye view of the litera- 



ture of ethical science since the time of Charles Dar- 

 win. — Issued August 21, 1903 87 



5. Francis E. Nipher. — The law of contraction of gaseous 



nebulae. — Issued October 1, 1903 143 



6. Edward H. Keiser and S. W. Forder. — A new method 



for the determination of free lime, and on so-called 

 dead burnt lime. — Issued December 4, 1903 165 



7. B. F. Bush. — A new genus of grasses. — Plates VII.- 



VIII.— Issued December 11, 1903 175 



8. J. Arthur Harris. — Polygamy and certain floral ab- 



normalities in Solanum. — The germination of Pachira, 

 with a note on the names of tv70 species. — Plates 

 IX.-XI. — Issued December 12, 1903 185 



9. Title-page, prefatory matter and index of Vol. XIII. — 



Record, January 1 to December 31, 1903. — Issued 



February 9, 1904. 



List of Authors 211 



General Index 212 



Index to Genera 214 



