NATURAL HISTORY, TORONTO REGION 



SPECIAL REFERENCES. 



Acheson, G. Biological Study of the Tap-water in 



the School of Practical Science, Toronto. 



Proc. Can. Inst., ser. 3, Vol. I, p. 413. 1883. 

 Bensley, R. R. Two forms of Distomum cygnoides. 



Centralbl. Bakter., Vol. XXI, p. 326. 1897. 

 Bovell, J. Note on the Preservation of some Infus- 

 oria, etc. Canad. Journ., new ser., Vol. 



VIII, p. 341. 1863. 

 Cottle, T. J. On the two species of Astocus found 



in Upper Canada. Canad. Journ, new ser., 



Vol. VIII, p. 216. 1863. 

 Faxon, W. A. A Revision of the Astacidae. Mem. 



Mus. Comp. Zool. Harv., Vol. X, No. 4. 



1885. 

 Goadby & Bovell, J. Passing Visits to the Rice 



Lake, Humber River, Grenadier's Pond, and 



the Island. Canad. Journ., Vol. Ill, p. 201. 



1855. 

 Hincks, T. On a supposed Pterobranchiate Poly- 



zoon from Canada. Ann. Mag. Nat. Hist., 



March, 1880. 

 Morris, B. R. Description of an Intestinal Worm 



from the Duodenum of the White Fish of the 



Canadian Lakes. Canad. Journ., new ser., 



Vol. IV, p. 442. 1859. 

 Nicholson, H. A. Contributions to a Fauna Cana- 



densis, being an Account of the Animals 



dredged in Lake Ontario in 1872. Canad. 



Journ., new ser., Vol. XIII, p. 490. 1873. 

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