INVERTEBRATES 



Osier, W. On Canadian Fresh-water Polyzoa (Note, 

 p. 405). Canad. Natur., new ser., Vol. X, 

 p. 399. 1883. 



Stafford, J. Some undescribed Trematodes. Zool. 

 Jahrb., System., Bd. XIII, p. 399. 1900. 



Stafford, J. On the American Representatives of 

 Distomum variegatum. Zool. Jahrb., Sys- 

 tem., Bd. XVI, p. 895. 1902. 



Stafford, J. The American Representatives of Dis- 

 tonmm cygnoides. Zool. Jahrb., System., 

 Bd. XVII, p. 411. 1903. 



Stafford, J. Trematodes from Canadian Vertebrates. 

 Zool. Anzeig., Vol. XXVIII, p. 681. 1905. 



Wright, R. R. Contributions to American Helmin- 

 thology. No. I. Proc. Can. Inst., ser. 3, 

 Vol. I, p. 54. 1884. 



Wright, R. R. Notes on American Parasitic Cope- 

 poda. No. I. Proc. Can. Inst., ser. 3, Vol. 

 I, p. 243. 1884. 





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