141 



Cooper. List of shells collected by Mr. Schoolcraft in the western and 

 northwestern territory : by Wm. Cooper. In the appendix to 

 l!Tarrative of an expedition through the upper Missouri, etc., under 

 the direction of Henry B. Schoolcraft, i^ew York, 1834. 



Eeport on the mollusca of the survey : by Wm. Cooper. In the 



Pacific Eailroad Reports, XII, pt. ii. [Same as afterward appeared 

 in Cooper and Suckley's Natural History of Washington Territory : 

 New York, 1859.] 



Cooper. Geographical catalogue of the mollusca found west of the 

 Eocky Mountains, between latitude 33° and 49° north : by J. G. 

 Cooper, M. D. In connection with geological survey of California. 

 San Francisco, 1867. 



On the distribution and localities of west coast helicoid land-shells : 



by J. G. Cooper, M. D. Am. Jour. Conchology, IV, 211. 



W^est coast helicoid land-shells : by J. G. Cooper, M. D. Proc. 



Cal. Acad. Sc, III, 331. 



West coast fresh-water univalves, No. 1 : by J. G. Cooper, M. D. 



Proc. Cal. Acad. Sc, IV, 92. 



Notes on west coast land-shells. No. 2 : by J. G. Cooper, M. D. 



Am. Jour. Conchology, V, 199. 



On shells of the west slope of North America : by J. G. Cooper, 



M. D. Proc. Cal. Acad. Sc, IV, 150. 



No. 2 of same Ibid., 171. 



On new California pulmonata, etc. : by J. G.. Cooper, M. D. Proc. 



Phil. Acad. Sc, 1872, 143. 

 Dall. On a species of Helix from California, supi)osed to be new : by 



W. H. Dale. Am. Jour. Conchology, II, 328. 

 On a new subfamily of liuviatile mollusca : by W. H. Dall. 



Proc Cal. Acad. Sc, III, 264. 



On the genus Pompliolyx and its allies, with a revision of the 



Liranoeid* of authors : by W. H.Dall. Ann. N. Y. Lye N. H., IX, 333. 

 Grabb. Descriptions of three new species of land-shells from Arizona : 



by Wm. M. Gabb. Am. Jour. Conchology, II, 330. 

 Description of a new Eel ix from Utah : l3y Wm. M, Gabb. Am. 



Jour. Conchology, V, 24. 

 Gould. Catalogue of shells collected in California by W. P. Blake, with 



descriptions of the new species : by Augustus A. Gould, M. D. In 



appendix to the preliminary geological report of Wm. P. Blake to 



Lieut. R. I. Williamson. Washington, 1855. 

 Descriptions of new species of land and fresh-water shells from 



western North America : by A. A. Gould. Proc. Bost. Soc N. H., V, 



127. 

 Lea. Descriptions of new fresh- water and land shells : by Isaac Lea. 



Trans. Am. Philos. Soc, VI. [Incorporated in Observations on the 



genus Unio, etc., II.] 

 Continuation of paper on fresh-water and land shells : by Isaac 



Lea. Trans. Am. Philos. Soc, IX. [Incorporated into Observations, 



etc., IV.] 



Descriptions of new fresh-water shells from California : by Isaac 



Lea. Proc Phil. Acad. Sc, VIII, 80. 



Descriptions of a Helix and two new Planorhes : by ISAAC Lea. 



Proc. Phil. Acad. Sc, X, 41. 



Descriptions of six new species of /S^wcanm- from the United States : 



by Isaac Lea. Proc Phil. Acad. Sc 1864, 109. 



Descriptions of twenty-four new species of Physa of the United 



States and Canada : by Isaac Lea. Proc. Phil. Acad. Sc 1864, 114 



