63 
Baker, Frank Collins — Continued 
1911. “The Lymnaeidae of North and Middle America.” Recent and Fossil; Spec. 
Pub. 3, Chi. Acad. Sci., pp. i-xvi, 1-539. 
1927. “A New Variety of Ilelisoma Carapanulata from Michigan”; Nautilus, XLI, 
pp. 49-51. 
1928. “The Fresh Water Mollusca of Wiconsin.” Part I, Gastropoda, pp. 1-507; 
Part 11, Pelecypoda, pp. 1-495. Bull. 70, Wis. Geol. and Nat. Hist. Surv. 
1929a. “Certain Anatomical Features of the Fresh Water Mollusk, Helisoma Corpu- 
lenta Say”; Trans. Am. Micr. Soe., XLVIII, pp. 44-47. 
1929b. “Mollusca from Vermilion and Pelican Lakes, Minnesota, with the Description 
of a New Variety of Helisoma Corpulenta”; Nautilus, XLII, pp. 95-97, 131-136. 
Bell, .Robert 
1880. “List of Fresh-water Mollusca from Manitoba and the Valiev of the Nelson 
River”; Geol. Surv., Canada, Kept, of Prog. 1878-79, Appendix ill, pp. 61-62 C. 
Binney, W. G. 
1861. Catalogue of Land and Fresh Water Univalve Moll asks collected in British 
America by Messrs. Ross, Kennicott, and Drexler, and deposited in the Smith- 
sonian Collection. Proc. Phil. Acad. Sci., p. 330. 
1865. “Land and Fresh Water Shells of North America. Part 11. Pulmonata Limno- 
phila and Thassophila”; Smith. Mise. Coll., No. 143, pp. 1-161. 
1865. “Land and Fresh Water Shells of North America. Part III. Ampullar iidae, 
Yalvatidae, etc.”; Smith. Mise. Coll., No. 144, pp. 1-120. 
Christy, Robert Miller 
1885. “Notes on the Land and Fresh-water Mollusca of Manitoba”; Jour. Conch. 
(Leeds), IV, p. 339. 
Clench, William J. 
1930. “Notes on Physidae with Descriptions of New Species”; Occasional Papers, 
Bost. Soe. N.H., vol. 5, pp. 301-315. 
Dali, William llealy 
1905. “Land and Fresh Water Mollusks”; Harriman Alaska Series, Nil, pp. 1-171. 
Dawson, George Mercer 
1875. “Land and Fresh-water Mollusca collected during the Summers of 1873-74, in 
the Vicinity of the Forty-ninth Parallel — Lake of the Woods to the Rocky Moun- 
tains”; British North American Boundary Commission. “Report on the Geology 
and Resources of the Region in the Vicinity of the Forty-ninth Parallel, etc*.”; 
Appendix E, pp. 347-350. 
Dawson, J. W. (?) 
1857. “Description of Some of the Fresh Water Gastropods Inhabiting the Lakes and 
Rivers of Canada”; Can. Nat. II, pp. 195-215. 
Gould, Augustus A. 
1850. Catalogue of Shells, with Descriptions of New Species. Lake Superior, its 
Physical Character, Vegetation, and Animals, etc., by Louis Agassiz, pp. 243-245. 
Hanham, A. W. 
1899. “A List of the Land and Fresh-water Shells of Manitoba”; Nautilus, XIII, 
pp. 1-6. 
Latehford, F.R. 
1910. Conchological Notes. Ottawa Nat., XXV, pp. 19-20. 
Lea, Isaac 
1861-62. “Descriptions of Two New Species of Anodonta from Arctic America”; 
Proc. Phil. Acad. Nat. Sci., XIII, p. 56. Also Jour. Phil. Acad., V, pp. 212-214 
(1862). 
Marsh, W. A. 
1896. “New American Unionidae”; Nautilus, X, pp. 103-104. 
Mozley, Alan 
1925. “Segmentina Crassilabris Walker in Manitoba”; Can. Field Nat., XXXIX, p. 85. 
1926a. “Some Mollusks from Western Canada”; Nautilus, XL, pp. 56-63. 
1926b. “Molluscs from the Manitoba-Ontario Boundary”; Nautilus, XXXIX, pp. 
121-128. 
1927. “Molluscs from the Lake Breton District, Manitoba”; Can. Field. Nat., XLI, 
pp. 59-61. 
1928a. “New Records of Western Canadian Mollusca”; Nautilus, XLII, pp. 13-18. 
1928b. “Note on some Fresh Water Mollusca inhabiting Temporary Ponds in Western 
Canada”; Nautilus, XLII, pp. 19-20. 
1930. “Further Records of Western Canadian Mollusca”; Nautilus, XLIII, pp. 79-85. 
