© | Mk. | 
cariosus, Say lac, Huron |0,80-1,80 
complanatus, Sol., Missisippi 0,5080 
congeber, Meuse. ? Java |0,30:50 
corrosus, Villa. L. de Iseo Ital. | 0,30 
crassus, Retz Rhein & Mosel 0,3050 
cucumoides, Lea Sumatra | 1—2 
+delphinus, Gruner, Singap. |1-1,50 
ellipticus, Wag. Spix. Brasil. 
& Chili | 0,50 
» V. psammaticus, Bron. 
Brasill. | 0,50 
fasciatus, Raf, Ohio |0,50-1,20 
Hopetonensis, Lea Georgia | 1,30 
Kleinianus, Lea ® 1 
ligamentinus, L.& var. Ohio | 1,60 
litoralis, L. Murcia &Valencia |0,50:80 
„ V. rhomboides, Schr. 2 
Algeria |0,40:60 
„ v. subtetragona, Mich. 
Gallia | 0,70 
lugubris, Lm. Georgia |0,40-70 
marginalis, Lm. Ganges | 1 
Molteni, Adami Umbria | 0,50 
Moreleti, Desh. Algeria | 0,50 
Murrayensis? fl. Murray 
\ Austral. |970-1,20 
navensis, Tischbein Nahe |0,30-40 
obliquus, Lam. Mississippi | 1,80 
paranensis, Lea Port Alegre | 1,20 
pictorum, L. Germania etc, |0,10°20 
» v. limosus, Nilss. Rhein | 0,20 
„ v. ponderosus, Sol. Germ. |0,20°25 
T„ v. platyrhynchus Ross, 
; Carinth. | 0,50 
radiatus,Gmel. L. Mississippi 0,70-1 
rhuaconicus, Pfr. 
St. Leopoldo Br. 0,30:80 
Sandrii, Villa v. sericatus 
Rssm, Dalm, | 0,50 
Sheppardianus, Lea. Georgia ! 1,50 
| Mk. 
siliguoideus, Barnes Mississ. | 1,50 
spatulus, Lea Michigan | 0,70 
Spinelli, Villa L.d’Idro Ital, |0,40-60 
snceineus, Lanza Dalmat. | 0,40 
tumidus, Retz & vars, Europ, | 0,20 
valentinus, Rssm. Valencia [0,4050 
Verreauxianus, Lea 
prom. b, sp.| 1 
Margaritana 
arcuata, Gray? N. S. Wales |0,50-1 
margaritifera, L. Nahe |0,40.60 
Australiae? Australiae | 0,50 
Monocondylaea 
erebristriata, Anth, Amer.bor.| 1 
seindiensis, ? Seinde | 1,20 
Barbala plicata, Leach. 
lacus St. Clair. | 1,80 
„ rugosa, Barnes Vermont | 1,80 
Anodonta 
anatina, L. Europ. med. |0,20:30 
„ v. coaretata, Pot. & 
Mich. Gall. , 0,40 
„ v. idrina, Spinelli Ital. | 0,50 
„ v. rostrata,Brot. Carinth, | 0,35 
„ V. Sebinensis, Adami 
l. d’Iseo | 0,50 
„ vıs. alta, elongata, ro- 
tunda Germ. [0,2535 
catharacta, Say 1. St. Clair | 1,20 
cellensis, Gml. Germ, (0,2550 
complanata,Zgl. Elbe&Suecia 0,2540 
eygnea, L. Germ. |0,20-40 
equatoris? Ecuador | 1,50 
fragilis, Raf. C. St. Clair. 
Am, bor. |0,70-1,50 
Bavaria |0,30:50 
latomarginata, Lea. var. 
Uruguay | 2,50 
„ v. minor. St, Leopoldo, 
Brasil. 
intermedia, Pfr. 
0,60 
