TABLE OF CONTENTS. 

 Volume I. 



Page 



Some Geological Problems in Muscatine County, Iowa, 

 with special reference to the Rectification of the 

 supposed Kinderhook near the mouth of Pine 

 Creek — S. Calvin, ...... 7 



Notes on the Synonymy, Characters and Distribution of 



Spirifera parryana. Hall — S. Calvin, . . .19 



Description of a new Species of Spirifer from the Hamil- 

 ton Group near Iowa City, Iowa — S. Calvin, . 28 



The Saproph3'tic Fungi of Eastern Iowa. — The Genus 



Agaricus, Series I., II. — T. H. McBride, . . 30 



The Peronosporese in Iowa, 



T. H. McBride and h.. S. Hitchcock, . . 45 



Botanical Notes — T. H. McBride, . . . '52 



The Mollusca of Eastern Iowa — B. Shimek, . . 56 



A List of the Coleoptera of Iowa City and Vicinity, 



H. F. WiCKHAM, . . . ■. . .81 



Anatomy of the Gorgonida^ — C. C. Nutting, . . p7 



The Native Fishes of Iowa — S. E. Meek, . . 161 



v_ Some New Species of Paleozoic Fossils — S. Calvin, . 173 



" The Saprophytic Fungi of Eastern Iowa, Agaricus 

 Series III., IV., V., and the Genus Coprinus — 

 T. H. McBride, 181 



Common Species of Edible Fungi — T. H. McBride, . 196 



"^ The Loess and its Fossils — B. Shimek, . . . 200 



^ A New Species of Fresh Water Mollusk — B. Shimek, 214 



^- The Pselaphidc^ of North x\merica, 



'^; E. Brendel and H. F. Wickham, . . .216 



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