80 



INDEX. 



Pisian ven/ricoaum, Adams, 72 



virr/inicum, Desh. 62 



zonatum, Adams, 68 

 PoJymesoda, 11 



Sphferium, iv, 2, 4, 32, 33, 35, 37, 39, 



53, 56, 59, 60, 64 

 Sphaerium africanum, iv 



argentinum, D^Orh. 52 

 aureum. Prime, 35 

 bahienrie, Spix, iv, v, 53, 



54 

 barbadense, Prime, 53, 54 

 contractum. Prime, 48, 49 

 corneum, iv 

 cubeiise, Prime, 58 

 dentatum, Huld. 40 

 dubium, Des^h. 62 

 elevatiim, Hald. 44, 45 

 emarginatum. Prime, 43 

 fabalis. Prime, 40 

 ferrugiueum, Krauss, 71 

 flavum. Prime, 42, 43 

 formosum, ^V. <f- H, 59 

 jayanum. Prime, 46 

 lacustre, Fer. iv, 51, 52 

 leiiticula, Gould, 51, 52 

 maculatum, Morelet, 53, 



55 

 meridionale. Prime, 53, 



55, 57 

 modioliforme, Anton, 54, 



55 

 nitidum, Desh. 63 

 iiobile, Gould, 41 

 occidentale, Prime, 41 

 ovale, Stimpson. 41 

 partumeium, Sai/, iv, 41, 



45, 46, 51 

 parvulura. Prime, 

 patella Gould, 40, 42, 43 

 planum, M. ^- 11. 58 

 portoriceuse, Prime, 56 



Sphaerium pulchellum, Z)'0/-6. 71 



recticardinale, ^J. ^- H. 58 

 rhomboideum, Say, iv, 34, 



39 

 rosaceum. Prime, 50, 51 

 securis. Prime, 49, 50 

 solidulum. Prime, 36, 37, 



38 

 solidum, iv 



sphaericum, Anthony, 50 

 spokaui, Baird, 44 

 stamineum, Co^r. 38, 42 

 striatinum,Za?«. 37, 38,42 

 subellipticum, M. ^- E. 59 

 gubtransversum,Pr//«e,52 

 sulcatum, Lam. iv, 33, 34 



42, 57 

 tenue, Prime, 47 

 triangulare, Say, 36 

 transversum. Say, 47, 48, 



49 

 truncatum, Linsley, 46, 



51, 52 

 tumidum, Baird, 43, 44 

 veatlevii, C. B. Adams, 



56, 57 

 vermontanum, Prime, 42, 



43 

 viridante, Morelet, 57, 58, 



Tellina, 2, 32, 59, 60 

 Tellina fluminalis, 2 



Jluminea, 2 



Jluviaiills, 2 



limosa, Maton, 5 



pusilla, Dillw. 62 



virginica, Gml. 62 



Velorita, 1, 10, 11, 12 

 Velorita cyprinoides, 11 

 Yeneriadap, 1 

 Vennlites, 2 

 FewHs, 2, 9, 10, 11 



