KGEKSOLL.] ZOOLOGY LIST OF AUTHORITIES. 409 



On shells of tbe 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 Califoruia Pulmonata, etc.: by J. G. Cooper, M. D. 



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

 Ball. 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 FompJiolyx aud its allies, with a revision of the 



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

 H., IX, 333. 

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

 Wm. M. Gabb. Am. Jour. Couchology, 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, YL [Incorporated in Observations on 



the genus U7iio, etc., II.] 



Continnation of paper on fresh-water and land shells : by IsAAO 



Lea. Trans. Am. Philos. Soc, IX. [Incorporated into Obser- 

 vations, etc., IV.] 



Descriptions of new fresh- water shells from California : bv ISAAO 



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



Descriptions of a Helix and two new Flanorhes: by Isaac Lea. 



Proc Phil. Acad. Sc, X, 41. 



Descriptions of six new species of Succinea 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. 



17ewcoiab. 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. 



Desciiptiou 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. Coucbology, II, 1. 



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



Am. Jour. Conchology, V, 165. 



Prime, Monograph of North American Corbiculadee : by Temple 

 Prime. Washington, Smithsonian Institution, 1865. 



