THE NAIADES OF MISSOURI 1 95 



183 1 — Lea, Isaac — Observations on the Naiades. (Tr. Am. Phil. See, 



pp. 63-121; 1834, pp. 23-119). 

 1838 — Lea, Isaac — Description of New Fresh-water and Land Shells. 



(Tr. Am. Phil. Soc, pp. 1-154; 1842, pp. 163-252). 

 1852 — Lea, Isaac — Description of New Species of the Family Unionidae. 



(Tr. Am. Phil. Soc, pp. 252-294). 

 1862 — Lea, Isaac — Description of Ten Unionidae of United States. (Pr. 



Acad. Nat. Sci. Phila., pp. 168 and 169). 

 191 2 — Lefevre, Geo. and Curtis, W. C. — Studies on the Reproduction and 



Artificial Propagation of Fresh-water Mussels. (U. S. B. F., 



XXX, Doc, No. 756). 

 1906 — Lindahl, Josua — Orthography of the Names of the Naiades. (Jl. 



Cinn. N. Hist. Soc. XX, No. 5, pp. 235-243). 

 1891 — Marsh, W. A. — A Description of Two Species of Unio From Arkansas 



{U. Pilsbry and Pleasii) (Naut., V, pp. 1-2; 1892, VI, pp. 1-2: 



1893, VII, p. I. pi. I. 

 1 901 — Marsh, W. A. — Description of a New Unio from Missouri. {P. mis- 



sourensis, n. sp.) (Naut., XV, pp. 74-75). 

 191 2 — Meek, S. E., and H. Walton Clark— The Mussels of the Big Buflfalo 



Fork of White River, Arkansas. (U. S. B. F., Doc. No. 759). 

 1909 — Ortmann, A. E. — The Breeding Season of Unionidae in Pennsyl 



vania. (Naut., XXII, pp. 99-103). 

 1911a — Ortmann, A. E. — The Anatomical Structure of Certain Exotic 



Naiades Compared with that of the North American Forms. 



(Naut., XXIV, pp. 103-108, 114-120, 127-131). 

 1911b — Ortmann, A. E. — A Monography of the Naiades of Pennsylvania. 



(Mem. Car. Mus., IV, pp. 279-339). 

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



Naiades. (Reprint An. Car. Mus., VIII, pp. 222-365). 

 1891b — Pilsbry, H. A. — Critical Notes on Eastern Texas Unionidae. (Naut., 



V, pp. 74-77)- 

 1901 — Pilsbry and Fox. On Alasmidonta marginata. (Naut. 15, pp. 16 and 



47). 

 1906 — Pilsbry and Ferriss — Mollusca of Ozarkian Fauna. (Pr. Acad. Nat. 



Sci. Phil., pp. 529-567)- 

 1878— Pratt, W. H.— The Shell Beds of the Vicinity of Davenport, Iowa. 



(Pr. Dav. Acad., pp. 156-162). 

 1820-1831 — Rafinesque, C. S. — Monographic des Coquilles Bivalves 



Fluviatiles de la Riverie Ohio. (Ann. Gen. Sci. Phys. Brux., 



V, pp. 287-322). 

 1829— Say, Thomas — Description of Some New Terrestrial and Fluviatile 



Shells of North America. (New Harm. Diss., II, pp. 229; el 



seq. ad interim, 1829-1831). 

 1830 — Say, Thomas — American Conchology; or Description of the Shells 



of North America. (New Harmony, Ind.). 

 1906 — Scammon, R. E. — The Unionidae of Kansas. Part I. (Kan. Univer. 



Sci. Bull. ,111, pp. 279-373.). 



c ' 



