Catalogue of Land and Fresh Water Shells. 



89 



CATALOGUE OF LAND AND FRESH WATER SHELLS 

 FOUND IN THE VICINITY OF CINCINNATI 

 PREPARED FOR THE USE 

 OF BEGINNERS. 



By George W. Harper, A. M 



CLASS GASTEROPODA. 

 order pulmonifera. 

 Family Philomycenid^e. 

 genus tekennophorus. 



1. Tebennophorus carolinensis, Bosc. 



Large slug marbled with black and brown. Under logs. 



Family Limacid^e. 

 genus limax. 



2. Limax maximus. 



Large slug, alternate rows of spots and black stripes. 



3. Limax agrestis, Mull. 4. 



Dark colored, one inch long. Everywhere. 



4. Limax campestris, Binn. 



Resembles No. 3 but does not secrete mucus. Everywhere. 



Family Helicid^;. 

 genus mesodon. 



Distinguished by well-developed lip which is devoid of teeth. 

 Width of 5, 6, 7, 8, 9, 10 about one inch. 



5. Mesodon abolabris, Say. 6, 7. 



Outer lip elongated, umbilicus covered. Woods. 



6. Mesodon exoleta, Binn. 7. 



Resembles No. 5. Mouth rounded, and small tooth on parietal 

 wall ( pillar lip ). Woods. 



