69 



1945 

 1946 

 1947 

 1948 

 1949 

 1950 

 1951 

 1952 

 1953 

 1954 

 1955 



margaritifera, var., 



marginata, 



Say, 



var., 



Raveneliana, Lea, 

 rugosa, Barnes, 

 undulata, Say, 



1956 



1957 " var., 



1958 



1959 " " 



1960 



1961 Vondernbuschiana, Lea, 



England, 



France, 



England, 



Hudson River, 



New York, 



New Jersey, 

 545 Lake Erie, 

 543 Schuylkill River, 



Ohio River, 

 Swananoe River, 

 Fox River, 

 New York, 

 Virginia, 



New Jersey, 

 Java, 



Turt. Man., p. 19, pi. 2, f. 9. 

 Drap., pi. 10, f. 17-19. 

 Flem.B.Anim.,p.417,No.429. 

 Sillim. Jour., v. 6, pi. 12, f. 20. 

 Jour. Ac. N. S., v. 1, p. 459. 



Wood's Supp., pi. 1, f. 7. 

 Ts. Am. P. S., v. 5, pi. 17, f. 50, 

 Sillim. Jour., v. 6, pi 13, f. 21, 

 Nich. Enc. Am., pi. 3, f. 3. 

 Say in Pamph., 1840, p. 9. 

 Wood's Supp., pi. 1, f. 5. 



Sowb. Gen., f. 3. 



Ts. Am. P. S., v. 8, pi. 18,f.39, 



Unio margaritiferus, Pfeifl'. 

 Unio rivalis, Ziegl. 

 Alasmodonta margaritiferum. 

 Alasmodonta arcuata, Barnes. 

 Alasmodonta marginata, Say. 

 Alasmodonta truncata, Say. 

 Unio cariosa, Lam., var. ? 

 Unio varicosa, Lam. 

 Unio calceolus, Say. 

 Mya regulosa, Wood. 



is Margaritana costata, Raf. 

 Alasmodonta undulata, Say. 

 Alasmodonta sculptilis, Say. 

 Mya undulata, Wood. 

 Unio hians, Valene. 

 Unio glabratus, Sowb. 



GENUS DIPSAS. Leach. 



1962 discoideus, Lea, 



1963 " var., 

 1964 



1965 plicatus, Leach, 



1966 " var., 558 

 1967 



1968 



1969 " " 



1970 



China, 

 Canton, 



Ts. Am. P. S., V. 5, pi. 1 1, f. 33. Symphynota discoidea, Lea. 

 Grif. Cuv., pi. 24, f. 2. Unio tenuis, Gray. 



Grif. Cuv., pi. 24, f. 2. Anodonta tenuis, Gray. 



Ts. Am. P. S., V. 3, pi. 14, f. 24. Symphynota bi-alata, Lea. 



Unio bi-alata, Desh. 



Unio bilineatus, Bens. 



Mytilus dubius, Gmel. 



Anodon alatus, Sowb. 

 Blain Mai., pi. 66, f. 3. Anodonta dipsas, Blain. 



GENUS HYRIA. L a m a r c k . 







1971 

 1972 

 1973 

 1974 

 1975 

 1976 

 1977 

 1978 

 1979 

 1980 



avicularis, 

 " var., 



Browniana, 

 corrugata, 

 " var., 



Lam., 561 



Lea, 

 Lam., 



562 



Amazon River, 

 South America, 

 Guiana, 



Amazon River, 

 South America, 



Solimoes River, 

 Guiana, 



Delessert, pi. 12, f. 9. 

 Swains. Exot. C., pi. 24. 

 Icon, du R. Anim., pi. 28, f. 8. 

 Spix. Text. B., p. 35, pi. 27, f. 1,2. 

 Ts. Am. P. S., v. 6, pi. 24, f. 116. 

 Enc. Meth., pi. 247, f. 2. 

 Wood's Supp., pi. 1, f. 12. 

 Sch. Ess. Class. Coq., pi. 1 1, f. 3. 

 Spix. T. B., p. 35, pi. 29, f. 1, 2. 



Hyria elongata, Swains. 

 Unio caudatus, Wagn. 



Unio corrugatus, Blain. 

 Mya angulata, Wood. 

 Paxyodon ponderosus, Schum. 

 Triplodon rugosus, Spix. 

 Unio rugosus, Wagn. 



