NATURAL HISTOKY, TORONTO REGION 



Agriolimax campestris, Say. (L). Humber River, 



Centre Island, Scarborough Bluffs. 

 Arion circumscriptus, Johnston. 



Family Endodontidae. 

 Pyramidula alternata, Say. (B), (L). Don Kiver, 



Humber River, Scarborough Bluffs. 

 " cronkhitei anthonyi, Pilsbrj. Scar- 



borough Bluffs. 



Family Succineidae. 



Succinea retusa, Lea. High Park, Centre Island, 

 avara, var. vermeta, Say. 



Family Philomycidae. 

 Pallifera dorsalis, Binney (L). 



GASTEROPODA PULMONATA (AQUATIC). 



Family Limnaeidae. 

 Lymnaea stagnalis, Linne. (L). Centre Island, 



Grenadier Pond. 

 " columella, Say. Grenadier Pond, Etobi- 



coke Creek. 



catascopium, Say. (L). High Park. 



" palustris, Miiller. Don River, High 



Park, Centre Island, Scarborough 



Bluffs. 



" reflexa, Say. (B) (L). 

 gracilis, Jay. (L). 

 caperata, Say. (L). 

 humilis modicella, Say. (L). 

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