I5O LAND AND FRESH WATER MOLLUSKS 



Latchford, F. R., and Poirier, P., continued. 



1884 Report of the Conchological Branch (for 1884). Transactions Ottawa 



Field Naturalist's Club, n, No. 2, 1884, pp. 263-266. 

 1887 Report of the Conchological Branch (for 1885). Transactions Ottawa 



Field Naturalist's Club, n, No. 3, 1887, pp. 350-351. 

 Lea, Isaac. 



1861-62 Descriptions of two New Species of Anodonta from Arctic America. 



Proc. Acad. Nat. Sciences, Philadelphia, xm, p. 56. March, 1861 ; also 



Journ. Acad. Nat. Sciences, Philadelphia, v, pp. 212-214, pis. xxxii- 



XXXIH, 1862. 

 1867-68 Descriptions of five New Species of Unionidse and one Paludina of 



the United States. Proc. Acad. Nat. Sciences, Philadelphia, xix, p. 



81, 1867 ; also Journ. Acad. Nat. Sciences, vi, p. 287, pi. ix, 1868. 



Lehnert, E. 



1884 Alaska Plants and Shells. Science Record (Boston, Mass.), n, No. 8, 

 pp. 171-172, June 16,1884. 



Lord, John Keast. 



1866 The Naturalist in Vancouver Island and British Columbia. London, 

 Richard Bentlej, 1866, 2 v., 8. Cf. Volume n, Appendix, pp. 356-370, 



Maack, R. 



1853 Notizen ueber einiger Land- und Siissw.-Mollusken, etc., mit Zusatz 



von Dr. A. Th. von Middendorff. Bull. Phys. Math. Akad. Imp. des 



Sci., St. Petersburg, xi, p. 372, 1853 ; Melanges Biol., n, pp. 8-18, and 



19-22, 1853. 

 Martens, Carl Eduard von. 



1855 Ueber der Verbreitung der Europaeischen Land- und Siisswasser-Gaster- 



opoden. Inaugural dissertation, Tubingen, 1855, pp. 144, 8. 

 1872 Conchylien aus Alaschka. Malakozoologische Blatter, xix, pp. 78-80. 



1872. 

 1882 [Shells of the Krause Expedition.] Sitzungsbericht der Ges. Naturf 



Freunde zu Berlin, 1882, No. 9, pp. 138-143. 



1885 Binnen Mollusken aus Mittel- und Ost-Asien. Conchol. Mittheil., 11, 

 heft v, pp. 179-185, 1885. 



Mayer, Charles. 



1869 [Mollusca of the Plant beds] Heer, Flora fossilis Alaskana ; Kong. 

 Svensk. Vetensk.-Akad. Handl., n. ser., vm, pp. 40-41, pi. x, figs. 7-13, 

 1869. 



Middendorff, A. Th. von. 



1851 Sibirische Reise. Siisswasser und Land Mollusken, n, Th. i, pp. 273- 



308, 389-433, 1851. 

 1851 Beschreibung einen neuen Molluskenarten, nebst einem Blicke auf den 



geographischen Charakter den Land- und Siisswasser-Mollusken Nord 



Asiens. Bull. Phys. Math. Akad. Imp. des Sci. St. Petersburg, ix, pp. 



108-112,1851. Melanges Biol., i, pp. 160-164, 1851. See also Maack, R. 



MSller, H. P. C. 



1842 Index Molluscorum Groenlandiae. Hafniae, C. A. Reitzel, 1842, 8, 

 pp. 26. 



