CONTENTS. 



1. Some Geological Problems in Muscatine County, Iowa, 



with special reference to the Rectification of the sup- 

 posed Kinderhook near the mouth of Pine Creek. 



S. Calvin. 



2. Notes on the Synonymy, Characters and Distribution of 



Spirifera parryana. Hall, . . . S. Calvin. 



3. Description of a new Species of Spirifer from the Hamilton 



Group near Iowa City, Iowa, . . S. Calvin. 



4. The Saprophytic Fungi of Eastern Iowa. — The Genus 



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



5. The Peronosporcce in Iowa, 



T. H. McBride and A. S. Hitchcock. 



6. Botanical Notes, . . . . T. 11. McBride. 



7. The Mollusca of Eastern Iowa, . . . B. Shimek. 



8. A List of the Coleoptera of Iowa City and vicinity. 



H. F. WiCKHAM. 



