370 THE CHICAGO ACADEMY OF SCIENCES. 



COCKERELL, T. D. A. (Ckll.) A List of the Mollusca of Colorado. (From 

 The Nautilus, Vol. Ill, pp. 99-103, 1890.) 



. . . . Agriolimax campestris in New Mexico. (From same, Vol. VIII, p. 57, 

 1894.) 



Notes on the North American Species of Succinea. (From the same, 



Vol. VI, pp. 21, 29, 1892; Vol. VII, p. 43, 1893.) 



.... In the British Naturalist, April, 1893, p. 81. Also The Nautilus, Vol. 

 XII, No. 10, p. 120, Feb., 1899. 



.... In Science Gossip, p. 257, 1889. 



Bifidaria armifera var. novruidosensis. (The Nautilus, Vol. XIII, p. 



36, 1899.) 



COLLIN, G. Sur la Limnea Stagnalis Linne et sur ses varietes observees en 

 Belgique. (From Ann. Soc. Mai. Belg., Tome VII, pp. 81-94, 1872.) 



CONRAD, TIMOTHY. (Conr.) Description of Some New Species of Fresh- 

 water Shells from Alabama, Tennessee, etc. (From. Amer. Journ. Sci., 

 I series, Vol. XXV, pp. 338-343, 1834.) 



.... Monograph of the Family Unionidae, or Naiades of Lamarck, of North 

 America. Philadelphia, Pa., 1835-1838. (Man. Unto.) 



New Fresh-water Shells of the United States, with colored illustrations 



and a Monograph of the genus Anculotus of Say; also a Synopsis of 

 the American Naiades. Philadelphia, 1834. (New F. W. S/z.) 



COOPER, J. G. (Coop.) On New Californian Pulmonata, etc. (From Proc. 

 Phil. Acad., pp. 143-154, 1872.) 



COOPER, WILLIAM. (Coop.) List of Shells Collected by Mr. Schoolcraft in 

 the Western and Northwestern Territoiy. (From Narrative of an Ex- 

 pedition through the Upper Missouri to Itasca Lake, etc., under the di- 

 rection of Henry B. Schoolcraft. Appendix. New York, 1834.) (A pp. 

 Narr. Exp.} 



Cox, E. T. Snails Injurious to the Strawberry. (From the American Natu- 

 ralist, Vol. II, No. 12, Feb., 1869.) 



CRAGIN, FRANCIS W. A New Species of Unio from Indian Territory. 

 (From Bull. Wash. Coll. Lab. N. H., Vol. II, p. 6, 1887.) 



CRANDALL, O. A. The America Physae. (The Nautilus, Vol. XV, Nos. 

 3, 4, 5, 6, 1901.) 



CURRIER, A. O. (Curr.) Descriptions of New Species of Fresh-water Shells 

 from Michigan. (From Amer. Journ. Conch., Vol. Ill, pp. 112-113, 

 1867.) 



DALL, WILLIAM HEALY. (Dall.) Contributions to the Tertiary Fauna of 

 Florida, with especial reference to the Miocene Silex beds of Tampa 

 and the Pliocene beds of the Caloosahatchie River. (From Trans. 

 Wag. Inst. Sci., Vol. Ill, part 3, 1895.) 



....Instructions for Collecting Mollusks and other Useful Hints for the 

 Conchologist. (Part G, Bull. U. S. Nat. Mus., No. 39, 1892.) 



.... Notes on some Floridan Land and Fresh-water Shells, with a Revision 

 of the Auriculacea of the Eastern United States. (From Prcc. U. S. 

 Nat. Mus., pp. 255-289, 1885.) 



.... On the genus Pompholyx and its allies, with a revision of the Limnae- 

 idse of authors. (From Ann. N.Y. Lye. N.H., Vol. IX, pp. 333-361, 1870.) 



... .Preliminary Report on the Collection of Mollusca and Brachiopoda 

 obtained in 1887-1888. (Scientific Results of Explorations of the U. S. 



