542 Roosevelt Wild Life /Innals 



1919. The Copepod Parasites of Lake Maxinkuckce. Proc. Ind. Acad. Sci. for 1918 



(1919), pp. .230-231. 



1920. Food and Parasites of the Fishes of Lake Maxinkuckee. Lake Maxinkuckee : 



A Physical and Biological Survey. Dept. of Conserv. Ind., pp. 291-303. 



1920a. Dragontlies and Damselfiies in relation to PondfiNh (nlture, with a List of those 

 found near Fairport, Iowa. U. S. Bur. of Fish. Hull., \ dj. 36, pp. 182-2O0. 



1923. Life History of the Scavenger Water Beetle, llydr.'ni (llydrophilus) triangu- 

 laris, and its Economic Relation to Fish Breeding. L". S. Bur. of Fish. Bull., 

 Vol. 39 (1923-24). PP- 9-38- 



1923a. Water Beetles in Relation to Pondnsh Culture, with Life Histories of those 

 found in Fishponds at Fairport, Iowa. U. S. Bur. of Fisheries Bull., Vol. 39, pp. 

 231-345- 



Wilson, W. G. 



1907a. Chuhs' Nests {Scmotihis corfioralis). Anier. Naturalist, Vol. 41, pp. 323-327. 



WoLMAN, A. and Hannan, F. 



1921. Further Observations on PH in Natural Waters. Chemical and Metallurgical 



Engineering, Vol. 25, Part i, pp. 502-506. 



WOLMAN, A. J. 



1895. A Report upon Ichthyological Investigations in Western Minnesota and Eastern 

 North Dakota. U. S. Comm. of Fish and Fisheries Rep. for 1893 (1805), Vol. 

 19, pp. 343-373- 



Worth, S. G. 



1892. Observations on the Hatching of the Yellow Perch. U. S. Fish Comm. Bull., 



Vol. io_ for 1890 (1892), pp. 331-334- 

 191 1. Observations concerning the Natural Food of Small-mouth Black Bass Fry at 



Mammoth Spring, Arkansas. Trans. Amor. Fish. Soc, Vol. 40, pp. 145-147. 



Wright, A. H. 



1918. Fish Succession in Some Lake Ontario Tributaries. Sci. Monthly, Vol. 7, pp. 

 535-544- 



Wright, A. H. and Allen, A. A. 



1913. The Fauna of Ithaca, N. Y. : Fishes. Zoology Field Notebook, pp. 4-6. Ithaca, 

 N. Y. 



Wright, A. H. and Simpson, S. 



1920. The Vertebrates of the Otter Lake Region, Dorset, Ontario. Can. Field Naturalist, 

 Vol. 34, p. 143. 



Wright, R. 



1892. Preliminary Report on the Fish and Fisheries of Ontario. Ontario Game and 

 Fish Comm. Report for 1892, pp. 419-483. 



YoRKE, W. and Maplestone, P. A. 



1926. The Nematode Parasites of Vertebrates. Pp. 1-536. P. Blakiston's Son and 

 Co., Philadelphia. 



