CONTENTS 



Page 



Origimal Papers 



Mathematics. — A graphical method for plotting reciprocals. F. E. Wright. . . 185 



Botany. — Notes on North Dakota plants. F. P. Mbtcai^p 188 



Paleontology. — Some relationships of the foraminiferal fauna of the Bsnram calcar- 

 eous marl. Joseph A. Cushman 198 



Abstracts 



Ornithology 202 



Analytical Chemistry 208 



Physical Chemistry 209 



Geology 209 



Proceedings 



Botanical Society .: 210 



SciBNTmc Notes and News 212 



