ORTMANN: monograph of the naiades of PENNSYLVANIA. 339 



1860 Lapham, J. A. List of the Shells of Wisconsin {Proceedings Academy of Natural 

 Sciences of Philadelphia, 1860, p. 154, et seq.). 



1914 Latchford, F. R. Valvatn piscinalis in Canada (and other remarks) {Nautilus, 

 XXVIII, 1914, p. 10). 



1834-1874 Lea, I. Observations on the Genus L"?uo. Vols. 1-13. Philadelphia. 1834-1874. 



1910 Lefevre, G. & Curtis, W. C. Reproduction and Parasitism in the Unionidje 

 {Journal of Experimental Zoology, IX, 1910, pp. 79-115). 



1912 Lefevre, G. & Curtis, W. C. Studies on the Reproduction and Artificial 

 Propagation of the Fresh-water Mussels {Bulletin of the Bureau of Fisheries, 

 XXX, for 1910 (publ. 1912), pp. 105-201). 



1889 Leidy, J. Notice and Description of Fossils in Caves and Crevices of the Lime- 

 stone Rocks of Pennsylvania {Annual Report of the Geological Survey of Penn- 

 sylvania for 1887 (publ. 1889), pp. 1-20). 



1909 Lermond, N. W. Shells of Maine {Seventh Annual Report of the Commission of 

 Agriculture of Maine for 1908 (1909), pp. 217-262). 



1856 Lewis, J. Mollusca in Little Lakes, Otsego County, New York {Proceedings 

 Acaderny of Natural Sciences of Philadelphia, 1856, p. 259). 



1860 Lewis, J. Catalogue of the Mollusks in the Vicinity of Mohawk, New York 

 {Proceedings Academy of Natural Sciences of Philadelphia, 1860, p. 17). 



1870 Lewis, J. Catalogue of the Shells of the Coosa River, Alabama {American 



Journal of Conchology, V, 1870, p. 167). 



1871 Lewis, J. On the Shells of the Holstou River {American Journal of Conchology, 



VI, 1871, pp. 216-226). 



1877 Lewis, J. Unionidaj of Ohio and Alabama {Proceedings Academy of Natural 

 Sciences of Philadelphia, 1877, p. 26, et seq.). 



1845 LiNSLEY, J. H. Catalogue of the Shells of Connecticut {American Journal of 

 Science, XLVIII, 1845, pp. 271-286). 



1890 Marshall, W. B. Beaks of Unionidte Inhabiting the Vicinity of Albany, New 

 York {Bulletin New York State Museum, II, 1890, pp. 169-189). 



1895 Marshall, W. B. Geographical Distribution of New York Unionidse {Forty- 

 eighth Annual Report New York State Museum, 1895, pp. 47-99). 



1912 Meek, S. E. & Clark, H. W. The Mussels of the Big Buffalo Fork of White 

 River, Arkansas {U. S. Bureau of Fisheries, Doc. 759, 1912, pp. 1-20). 

 Michener, E. (See Hartman & Michener.) 



1902 NoRRis, A. A. A List of the Mollusca of Eagle, Centre, and Pike Lakes, Kosci- 

 usko Co., Indiana {Proceedings Indiana Academy of Science for 1901 (publ. 



1902), pp. 118-119). 

 1914 Nylander, 0. 0. Distribution of Some Fresh-water Shells of the St. John's 

 River Valley in Maine, New Brunswick, and Quebec {Nautilus, XXVII, 1914, 

 pp. 139-141). 



