LYMNJEHXE OF NORTH AMERICA. 49? 



1906. Shells of Grant, Valencia Co., New Mexico. Nautilus, XIX, p. 130. 

 March. 



1910. Lymnaea cubensis aspirans, n. subsp. Nautilus, XXIII, p. 120.. Feb- 

 ruary. 

 Pilsbry, H. A., and Cockerell, T. D. A. 



1900. Records of Mollusca from New Mexico. Nautilus, XIV, pp. 85-86. 



December. 

 Pilsbry, H. A., and Ferriss, J. H. 



1906, a. Mollusca of the Southwestern States, II. Proc. Phil. Acad., 

 XLVIII, pp. 123-175. 



1906, b. Mollusca of the Ozarkian Fauna. Proc. Acad. Nat. Sci., Phil., 

 XLVIII, pp. 529-567. 



1909. Mollusks from around Albuquerque, New Mexico. Nautilus, XXII, 

 pp. 103-104. February. 



1910, a. Mollusca of the Southwestern States, III. The Huachuca Mount- 



ains, Arizona. Proc. Phil. Acad., 1909, pp. 495-518. 



1910, b. Mollusca of the Southwestern States, IV. The Chiricahua Mount- 

 ains, Arizona. Proc. Phil. Acad., 1909. pp. 44-147. 

 Pleas, Elwood. 



1891. Nautilus, IV, p. 131. March. 

 Poirier, Pascal. 



1883. Report of Conchological Branch. Trans. Ottawa Field Nat. Club., I, 

 p. 74. 



1884. See Latchford, F. R. 



1885. See Latchford, F. R. 



1886. See Latchford, F. R. 

 Prasch, A. 



1843. Archiv. fur Naturges. pt. 1, p. 71. 

 Pratt, W. H. 



1876. List of Land and Fresh Water Shells Found at Davenport, Iowa. 



Proc. Daven. Acad. Sci., I, pp. 165-168. 

 Presas, Manuel J. 



1865. Moluscos terrestres y fluviatiles encontrados por Gundlach y Presas 

 en una excursion de Ceiba Mocha al Pan y Palenque. In Poey, 

 Repertorio Fisico-Natural de la Isla de Cuba, I, pp. 264. 

 Prescott, William. 



1842. Catalogue of the Marine, Fluviatile and Terrestrial Shells of Massa- 

 chusetts. Lynn. 

 Price, Sadie F. 



1900. Mollusca of Southern Kentucky. Nautilus, XIV, pp. 75-79. Novem- 

 ber. 

 Prime, Henry. 



1880. The Mollusca of Riverdale, New York City. Forest & Stream, XV, 



p. 245. 

 Poey, Felipe. 



1856-58. Molluscorum species novae. Memorias sobre la Historia Natural 

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