74 University of Michigan 



1861 Lea. I., Descriptions of Twenty-five New Unionidae from 

 Georgia. Alabama, Mississippi. Tennessee and Florida 

 (Proc. Acad. Phila., V, 1861, p. 38-41). 



1864 Reev% L., Conchologia Iconica, XVI, Unio. 



1865 Lea, L, Descriptions of Eiglit New Unios from the United 

 States (Proc. Acad. Phila., IX, 1865, pp. 88-89). 



1868 Lea, I., Description of Sixteen New Unionidse (Proc. Acad. 



Phila., XII, 1868, pp. 143-145). 

 1893 Fischer, P.. and Crosse, H., Mission Scicntifique au Mex- 



ique et dans I'Amerique Centrale, Pt. 7. 

 1896 PiLSBRY, H. A.. AND Rhoads, S. N., Contributions to the 



Zoology of Tennessee, No. 4, Mollusks (Proc. Acad. Phila., 



1896, pp. 487-506). 

 1898 Simpson. C. T., Unionidae in : Baker, F. C, The Mollusca 



of the Chicago area (Bull. Chicago Acad. Sci., 3, 1898, pp. 



47-110). 

 1900" Simpson. C. T., New and Unfigured Unionidae (Proc. Acad. 



Phila., 1900, pp. 74-86). 

 1900'' Simpson, C. T.. Synopsis of the Naiades or Pearly Fresh- 

 water Mussels (Proc. U. S. Nat. Mus., XXII. pp. 501-1044). 



1900 Caix, R. E., a Descriptive Illustrated Catalogue of the 

 Mollusca of Indiana (24th An. Rep. Dep. Geol. and Nat. 

 Res. Indiana (1899), 1900, pp. 337-535)- 



1901 Simpson, C. T., Alasmidonta marginata (Say), (Nautilus, 

 XV, 1901, pp. 16-17). 



1901 Fox, W. J., The locality of Say's Type of Alasmidonta 

 marginata (Nautilus, XV, 1901, p. 47). 



1910 Vanatta, E. G., Unionidae from S. E. Arkansas and N. E. 

 Louisiana (Nautilus, XXIII, 1910. pp. 102-104). 



1910" Walker, B., On the validity of Unio undatus Barnes (Nau- 

 tilus, XXI\', 1910, pp. 6-10, 16-25). 



1910" Walker, B., Notes on Truncilla, with a Key to the Species 

 (Nautilus, XXI\", 1910, pp. 75-81). 



191 1 Ortmann, a. E., Monograph of the Najades of Pennsyl- 

 vania (Mem. Carnegie Mus., IV, 191 1, pp. 279-347). 



1912 Ortmann, A. E., Notes upon the Families and Genera of 

 the Najades (Ann. Carnegie Mus.. VIII. 1912. pp. 222-365). 



1914 Simpson, C. T., A Descriptive Catalogue of the Naiades. 



or Pearly Fresh-water Mussels. 

 1914" Frierson, L. S., Remarks on Classification of the Unionidae- 



(Nautilus, XXVIII, 1914, pp. 6-8). 

 1914C Frierson, L. S., Observations on the genus Symphynota-. 



Lea (Nautilus. XXVIII, 1914, p. 40). 

 1914 Ortmann, A. E., Studies in Najades (Nautilus, XXVIIL. 



1914, pp. 41-47). 



