380 THE CHICAGO ACADEMY OF SCIENCES. 
lebenden Binnen-Conchylien. 2 Volumes with supplements. Berlin, 
1886-1890. (/auza.) 
....Siberien Land och Sétvatten Mollusker. (Szberien L. och Sot. Mold.) 
WETHERBY, A. G. Notes on some New or Little Known North American 
Limnzidz. (From Journ. Cin. Soc. N. H., Vol. II, pp. 95-100, 1879.) 
WHITEAVES, J. F. On the Land and Fresh-water Mollusca of Lower Can- 
ada. (From The Canadian Naturalist, Vol. VIII, pp. 98-118, 1863.) 
WITTER. . In Journal of Conchology, Vol. I, p. 384, 1878. (The author has 
not been able to consult this reference.) 
WOLF, JOHN. Descriptions of Three New Species of Shells. (From Amer. 
Journ. Conch., Vol. V, p. 198, 1869-1870.) 
Woop, WILLIAM. Supplement to the Index Testaceologicus. London, 
1820. (/udex Test. Supple.) 
WRIGHT, BERLIN H. New Varieties of Unionide. (From The Nautilus, 
Vol. XI, No. 11, pp. 123-124, 1898.) 
The principal abbreviations of Society publications, together with the 
full titles, are as follows: 
Amer. Journ. Conch. American Journal of Conchology.: 
Amer. Journ. Sci. American Journal of Science and Arts. 
Am. Nat. American Naturalist. 
Ann. N. Y. Lyc. Annalsof the New York Lyceum of Natural History. 
Ann. Rep. U.S. Geol. and Geog. Surv. Terr. Annual Report of the 
United States Geological and Geographical Survey of the Territories. 
Ann. Soc. Mal. Belg. Annales de la Societe Malacologique de Belgique. 
Bost. Journ. N. H. Boston Journal of Natural History. 
Bull. Chi. Acad. Sci. Bulletin of the Chicago Academy of Sciences. 
Bull. U.S.Geol. Survey. Bulletin of the United States Geological Survey. 
Bull. U. S. Geol. and Geog. Surv. Terr. Bulletin of the United States 
Geological and Geographical Survey of the Territories. 
Bull. U.S. Nat. Mus. Bulletin of the United States National Museum. 
Bull. Wash. Coll. Lab. Bulletin of the Washburn College Laboratory 
of Natural History. 
Can. Nat. Canadian Naturalist and Geologist. 
Cin. Quar. Journ. Sci. Cincinnati Quarterly Journal of Science. 
Contr. to Conch. Contributions to Conchology. 
Gen. Rec. Moll. Genera of Recent Mollusca. 
Geol. Surv. Mich. Geological Survey of Michigan. 
Journ. Cin. Soc. N. H. Journal of the Cincinnati Society of Natural 
History. 
Journ. Phil. Acad. Journal of the Academy of Natural Sciences of 
Philadelphia. 
Journ. Portl. Soc. N. H. Journal of the Portland Society of Natural 
History. 
Mal. Blatt. Malakozodlogische Blatter. 
Nich. Encycl. Nicholson’s Encyclopedia of Arts and Sciences, first 
edition, 1816; sec. ed., 1818; third ed., 1819. Philadelphia. 
Proc. Bost. Soc. N. H. Proceedings of the Boston Society of Natural 
History. 
