v° 



jr 



C. Dwlsrbt Marsh. 



Wisconsin Geological and Natural History survey. 



E. A. BIRGE, Ph.D. Sc.D., Director. 



BULLETIN NO. XII. 



SCIENTIFIC SERIES NO. 3. 



THE PLANKTON 



OF 



INVERTEBRAit 

 \ ZOOLOGY 



fruttacet 



Lake Winnebago and Green Lake 



BY 



C Dwight Marsh 



./ 



Professor of Biology in Ripon Colleg&*.*~ 



a . -i *-, %* \J \ 



fee i* «* '— * 



* NO'Vl 1933 



MADISON, WIS. 



Published by the State. 



October, 1903. 



