NATURAL HISTORY, TORONTO REGION 
Agriolimax campestris, Say. (L). Humber River, 
Centre Island, Scarborough Bluffs. 
Arion circumscriptus, Johnston. 
Family Endodontidae. 
Pyramidula alternata, Say. (B), (L). Don River, 
Humber River, Scarborough Bluffs. 
" cronkhitei anthonyi, Pilsbry. Scar- 
borough Bluffs. 
Family Succineidae. 
Succinea retusa, Lea. High Park, Centre Island. 
. avara, var. vermeta, Say. 
Family Philomycidae. 
Pallifera dorsalis, Binney (L). 
GasTERopopDA PuLtmMonata (AgquaTIc). 
Family Limnaeidae. 
Lymnaea stagnalis, Linné. (L). Centre Island, 
Grenadier Pond. 
- columella, Say. Grenadier Pond, Etobi- 
coke Creek. 
e catascopium, Say. (L). High Park. 
- palustris, Miller. Don River, High 
Park, Centre Island, Scarborough 
Bluffs. 
a reflexa, Say. (B) (L). 
gracilis, Jay. (L). 
caperata, Say. (L). 
humilis modicella, Say. (L). 
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