12 University of Michigan 



Literature Cited 



Reighard, J., 1915. An ecological reconnaissance of the 

 fishes of Douglas Lake, Cheboygan County, Michigan, in 

 midsummer. Bull. U. S. Bureau Fisheries 33: 215-249. 



\'anCleave, IL J., 1916. Seasonal Distribution of some 

 Acanthocephala from fresh-water hosts. Jour. Parasitol. 

 2: 106-110. 



X'anCleave, H. J., 1919. Acanthocephala from the Illin- 

 ois River, with descriptions of species and a synopsis of 

 the family Neoechinorhynchidae. Bull. 111. Nat. Hist. 

 Survey, Vol. 13, Art. 8. 



