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shells foiu'-tfiiths of an inch in diameter were to 1)0 found Uy the dozen 

 in t^.e corner in which five adult individuals has been placed in the 

 month of June. The other species wliich lived, with the exception of 

 //. tridentata, did not a))pear to multiply. I may say that the gentle- 

 men who obtained tlie sl.ells in Ohio were kind enough to furnish me 

 with information as to the peculiar habitat of the different species, and 

 I tried to establish each in a station suited to it. I was able to do this 

 in the woods much better than at home, and it is not improbable that 

 the m;ijority of the shells thus disposed of may establish themselves here. 



In former years I tried to introduce tlie English species found at 

 Quebec, //. rvjescois and //. ccmtiana, but witliout success. The hitter 

 species dej.'osited eggs, but the young shells soon f^uccumbed owing to 

 climatic influences or the want of suitable food. 



It will be of interest to observe whether the experiment made 

 with the western shells will not be more successfull. Possil/ly should 

 land shells be found here larcjer in size and more beautifullv coloured 

 than the native s]]ecies, more membeis of the Club would take an 

 inteie.st in their study. 



F. R. LATCH FORD, 



Ottawa, January 27th, 1887. 



