AQUATIC EARTHWORMS 645 



LITERATURE ON FRESH-WATER OLIGOCHAITA 



EiSEN, G. 1885. Oligochactological Researches. Rcpt. U. S. Fish Com. for 

 1883, 11: 879-964; 19 pi. 

 1896. Pacific Coast Oligochaeta II. Alem. CaHf. Acad. Sci., 2: 123-198; 

 12 pi. 



1905. Enchytraeidae of the West Coast of North America. Harriman 

 Alaska Expedition, 12: 1-166; 20 pi. New York. 



Ellis, M. M. 1912. A New Discodrilid Worm from Colori.lo. Proc. 



U. S. Nat'l Mus., 42: 481-486. 

 Galloway, T. W. 191 i. The Common Fresh- Water Oligochada of the 



United States. Trans. Amer. Micr. Soc, 30: 285-317; 14 figs. 

 Hall, M. C. 1914. Descriptions of a New Genus and Species of the 



Discodrilid Worms. Proc. U. S. Nat'l Mus., 48: 187-193. 

 Michaelsen, W. 1900. Oligochaeta. Das Tierreich. No. 10. Pp. .x.xi.x and 



575. 

 Moore, J. P. 1893. On Some Leech-like Parasites of .American Crayfishes. 

 Proc. Acad. Nat. Sci. Phila., 1893: 419-428; i pi. 

 1894. Pterodrilus, a Remarkable Discodrilid. Proc. Acad. Nat. Sci. Phila.. 

 1894: 449-454; I Pl. 



1906. Hirudinea and Oligochaeta Collected in the Great Lakes Region. 

 Bull. Bur. Fish., 21: 1 53-171; i pl. 



PiERANTONi, U. 191 2. Mouografia dei Discodrilidae. Ann. Mus. Zool. 



Univ. Napoli, n.s., 3, No. 24, 28 pp.; i pl. 

 Smith, Frank. 1900. Notes on Species of North American Oligochaeta IH. 



Bull. 111. State Lab. Nat. Hist., 5: 441-458; 2 pl. 

 1900a. Notes on Species of North American Oligochaeta I\'. Bull. III. 



State Lab. Nat. Hist., 5: 459-478; i pl. 

 1905. Notes on Species of North American Oligochaeta \'. Bull. 111. 



State Lab. Nat. Hist., 7: 45-51- 

 Smith, F., and Welch, P. S. 1913. Some New Illinois Enchytraeidae. Bull. 



111. State Lab. Nat. Hist., 9: 615-636; 5 pl. 

 Walton, L.B. 1906. Naididae of Cedar Point, Ohio. Amer. Nat., 40: 683-706. 

 Welch, P. S. 1914. Studies on the Enchytraeidae of North America. Bull. 



111. State Lab. Nat. Hist., 10: 123-212; 5 pl. 



