UM>ra<;»a 



/^^ AN ILLUSTRATED CATALOGUE 



OF THE 



MOLLUSCA OF MICHIGAN 



BY 



BRYANT WALKER 



PART I. 



TERRESTRIAL PULMONATA 



(LAND SNAILS) 



Published by the State Board of Geological Survey, as a part of the Report for 1905, and 



as a contribution to the Biological Survey of the State, authorized by 



Act 250, Session 1905 



LANSING, MICHIGAN 

 WYNKOOP HALLENBECK CRAWFORD CO.. STATE PRINTERS 



1906 



