INVERTEBRATES 
GENERAL REFERENCES. 
Decapoda. 
Faxon, W. A. A Revision of the Astacidae. Mem. 
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1885. 
Hagen, H. A. Monograph cf the North American 
Astacidae. Illus. Cat. Mus. Comp. Zool. 
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Schizopoda and Amphipoda. 
Smith, S. I. The Crustacea of the Fresh Waters of 
the United States. Rep. U. S. Comm. Fish- 
eries, Pt. 2 for 1872-1873, p. 637. 1874. 
Weckel, A. L. The Fresh-water Amphipoda of 
North America. Proc. U.S.N. Mus., Vol. 
XXXII, p. 25. 1907. 
Isopoda. 
Richardson, H. Monograph on the Isopods of North 
America. Bull U.S.N. Mus., No. 54. 1905. 
Phyllopoda. 
Daday, E. Monographie systématique des Phyllo- 
podes anostracés. Annal. Se. Nat., Zool., ser. 
9, Vol. XI, p. 91. 1910. 
Packard, A. S. A Monograph of the Phyllopod 
Crustacea of North America, with Remarks 
on the Order Phyllocarida. Hayden’s 12th 
Ann. Rep. U. 8. Geol. & Geogr. Surv. Terr., 
Year 1878. Sec. II, Zool., p. 295. 1883. 
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