I20 DAVENPORT ACADEMY OF SCIENCES. 



SOME PUBLICATIONS 



Of Value to One Pursuing a Systematic Study 



OF THE Protozoa. 



Butschli — Protozoa. In Bronn's Klassen und Ordnungen 



des Thierreichs - - - . - 1 883-1 888 



Calkins — The Protozoa - - - - - - 1901 



Conn — A Preliminary Report on the Protozoa of the Fresh 



Waters of Connecticut ----- 1905 



Kent— A Manual of the Infusoria - - - 1880- 1882 



Note — The classification employed by Kent is not accepted now. 



Leidy — North American Rhizopods - - - - 1879 



Palmer — Delaware Valley Forms of Trachelomonas - 1905 



Roux — Faune Infusorienne Des Eaux Stagnantes Des En- 

 virons De Geneve - - - - - - 1901 



Stokes — A Preliminary Contribution Toward a History of 



the Fresh Water Infusoria of the United States 1888 



