71 



2010 

 2011 

 2012 

 2013 



2014 

 2015 



2016 

 2017 

 2018 

 2019 

 2020 

 2021 



areolata, 

 Benedictensis, 



" var. 

 Blainvilliana, 



" var. 

 cataracta, 

 cellensis, 

 cheziana, 

 complanata, 

 compressa, 

 corpulenta, 

 Couperiana, 

 crassa, 

 cygnea, 

 " var., 



Swain., 

 Lea, 



Lea, 



Say, 



Pfeiff., 



Rang, 



Ziegl, 



Menke, 



Cooper, 



Lea, 



Swain., 



Drap., 564 



566 



N. America, 

 Lake Champlain, 



S. America, 

 Bolivia, 

 New York, 

 Germany, 

 Kordofan, 

 Elbe River, 

 France, 

 Missouri, 

 Hopeton, Ga., 

 Rio de la Plata, 

 France, 

 Europe, 



Swain. Z. 111., 2d ser., pi. 18. is Anodonta edentula, Lea. 

 Trs. Am. P. S., V.5, pi. 1 6, f. 48. Symphynota Benedictensis, Lea. 



Trs. Am. P. S., V. 5, pi. 12, f. 35. Iridina esula, D'Orb. 



Voy. Am. Merid., p. 597. 



Nich. Enc. Am., pi. 3, f. 4. is Anodonta fluviatilis, Lea. 



Pfeiff. Moll., pi. 6, f. 1-4. 



Rossm., p. 112, pi. 3, f. 68. 

 Menke Synop., p. 106. 

 Say's Des. of Shs. pamph. p. 12. 

 Trs. Am. P. S., v. 8, pi. 20, f. 46. 

 Sw. Z. 111., 1st ser., v. 3, pi. 167. 

 Drap. Moll., p. 134, pi. 11. 

 Wood Index, pi. 12, f. 32. 

 Linn. 1158, G., p. 3355, No. 15. 

 Dillw. Cat., p. 317. 

 Schroet., pi. 2, f. 1. 

 List. C., pi. 156, f. 11. 

 Gault. Test., pi. 7, f. F. 

 Pennt. B. T., v. 4, pi. 67, f. 78. 

 Brard. Hist., p. 234, pi. 10. 

 Enc. Meth., pi. 202, f. 1, a, b. 

 Blain. Mai., pi. 66, f. 1. 

 Drap. Moll., p. 133. 

 Pfeiff. Syst. An., pi. 6, f. 4. 

 Turt. Man., p. 17, pi. 1, f. 8. 

 Sowb. Gen., pi. 1, f. 1, 2. 

 Pfeiff. Syst. An., pi. 6, f. 2. 

 Brook's Intr., p. 86, pi. 4, f. 49. 

 Poir. Pr., p. 108, No. 1. 

 Poir. Pr., p. 109. 

 Chemn. 8, pi. 86, f. 763. 

 Ts. Am. P. S., v. 6, pi. 13, f. 40. 

 Ts. Am. P. S., v. 6, pi. 20, f. 63. 

 Menke Synop., p. 106. 

 Say's Desc. Shells, p. 10. 

 Swains. Z. 111., 2d ser., pi. 18. 

 Swains. Z. IlL.lst ser., 3, pi. 176. 

 Voy. Am. Merid., pi. 79, f. 10. 

 N. H. N. York, pi. 17, f. 233. 

 Ts. Am. P. S., v. 6, pi. 22, f. 68. 

 Delessert, pi. 13, f. 1. 

 Porro. Mai., p. Ill, pi. 2, f. 12. 

 Ts. Am. P. S., v. 8, pi. 19, f. 43. 

 Ts. Am. P. S.,v. 5, pi. 6, f. 15. 



is Anodonta cygnea, Drap. 

 is Anodonta grandis, Say. 



Mytilus cygneus, Gmcl. 

 Mytilus stagnalis, Gmel. 

 Mytilus fluviatilis, Gmcl. 

 Mytilus fucatus, Dillw. 

 Mytilus Zellensis, Gmel. 

 Mytilus Avonensis, Mont. 

 Mytilus radiatus, Miihl. 

 Mytilus incrassatus, Shep. 

 Mytilus macula, Shep. 

 Anodonta sulcata, Lam. 

 Anodonta dentiens, Menke. 

 Anodonta variabilis, Drap. 

 Anodonta ventricosa, Pfeiff. 

 Anodonta paludosus, Turt. 

 Anodonta grossa, Ziegl. 

 Anodonta compressa, Menke. 

 Anodonta obvoluta, Ziegl. 

 Anodontites cygnea, Poir. 

 Anodontites anatina, Poir. 

 Anodonta proboscidalis, Ziegl. 



is Anodonta cygnea, Drap. 

 Alasmodonta edentula, Say. 

 Alasmodonta areolatus, Swain. 



Anodonta fluviatilis t Lea. 



is Anodonta trapezialis, Lam. 



