ingersoll.] ZOOLOGY LIST OF AUTHOKITIES. 409 



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 Pulrnonata, etc.: by J. G. Cooper, M. D. 



Proc. Phil. Acad. Sc., 1872, 143. 

 Dall. On a species of Helix from California, supposed to be new : by W. 

 H. Dall. Am. Jour. Conchology, II, 328. 



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



Proc. Cal. Acad. Sc., III, 264. 



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



Limnseidse of authors : by W. H. Dall. Ann. N. Y. Lye. N. 

 H., IX, 333. 

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

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



Description of a new Helix from Utah : by 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. Description 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 Obser- 

 vations, 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 Planorbes: by Isaac Lea. 



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



Descriptions of six new species of Succlnea 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. 



: — Descriptions of six new species of fresh-water shells: by ISAAC 



Lea. Proc. Phil. Acad. Sc, 1869-70, 124. 



Lord. The naturalist in Vancouver's Island and British Columbia: by 

 John Keast Lord, naturalist to the British northwestern 

 boundary commission. 2 vols. London, 1866. 



Hewcomb. Catalogue of Helices inhabiting the west coast of North 

 America, etc. : by Wesley Newcomb, M. D. Am. Jour. Con- 

 chology, I, 342. 



Addition to catalogue of Helices, etc, ibid., II, 13. 



Description of new species of land shells : by W. Newcomb, M. 



D. Proc. Cal. Acad. Sc, III, 179. 



Description of a new American species of Helix : by W. New- 

 comb, M. D. Am. Jour. Conchology, II, 1. 



Description of a new American Helix : by W. Newcomb, M. D. 



Am. Jour. Conchology, V, 165. 



Prime. Monograph of North American Corbicnladse : by Temple 

 Prime. Washington, Smithsonian Institution, 1865. 



