Pd oe PO? 
Unio Craiapters) diaphana, 74 
“ (Elliptio) dilatata, 42 
“ (Eurynia) “ 29 
“ (Obliquaria) “ 75 
““ (Lampsilis) diploderma, 73 
“elegans, 77 
“*  (Obliguaria) ellipsaria, 48, 56 
‘ var. fusca, 48 
“ellipta, 49 
** (Elliptio) elliptica, 42 
“* elliptica, 75, 84 
“  elliptio, 57 
“* (Elliptio) fasciata, 40, 41 
var. alternata, 40 
“ cuprea, 40 
“ nigrofasciata, 40 
‘“« (Lampsilis) fasciola, 44, 73 
** (Obliq. and Plagiola) fasciolaris, 29,48 
“= ce ee flava, 29, 38, 49 
“ (Obliquaria) flexuosa, 50 
var. bullata, 51 
“ (Toxolasma) flexus, 73 
“ (Obliquaria) fontinalis, 76 
“ (Elliptio) frafiilis, 41 
var. fuscata, 41- 
“« (Lampsilis) fulgens, 84 
‘* (Eurynia) falva, 74 
“ (Amblema) gibbosa, 58 
var. difformis, 58 
“* olivacea, 58 
“ radiata, 58 
“ (Truncilla) granulatus, 77 
** (Obliquaria) interrupta, 47, 48 
‘““ (Metaptera) lasmabranchys, 74 
INDEX. 
(Eurynea & Elliptio) latissima, 29, 42, 77 
(Elliptio & Plagiola) leptodon, 29, 40, 41 
var. olivacea, 41 
oe 
semi-radiata, 41 
(EUliptio) levigata, 42, 76 
(Obliquaria) lineolata, 47, 49 
(Toxolasma) lividus, 73 
(Metaptera) megaptera, 42 
(Obliquaria) metanevra, 50 
metaplana, 77 
(Eurynia) montana, 73 
(Pleurobema) mytiloides, 20, 56 
nasuta, Say, 41, 48, 49 
(Elliptio) nervosa, 41 
ae nigra, 37, 38 
var, fusca, 39 
“* maculata, 39 
nodosa, 43 
nodulata, ja 
(Obliq. and Plagiola) obliquata, 29,53 
(Obovaria) obovalis, 29, 54 
ochraceus, Say, ~ 40,45 
Ohiensis, 35 
(Amblema) olivaria, 57 
var. dilatata, 57 
“ fasciolaris, 57 
oriens, Lea... 92 
(Lampsilis) ovata, Say, 36, 44 
Obovaria) pachostea, 54, 64 
tobliquaria) pallens, ’ 76 
paphos, 97 
(Prop and Lamp.) pallida, 29, 44 
perplexus, 96 
(Proptera) phaiedra, 29 
pictorum, 40 
(Obliquaria) plateolug, 75 
plicata, Lesueur, 40 
(Bariosta) ponderosus, 73 
premorsus, 7 7 
punetatus, 77 
purpurea, Say, 40 
{ Unio (Obliquaria) pusilla, 52 
“* quadrula, 2 51 
erecta, 17 
se tobe aes reflexa, 50 
| (Obliq. and Obov ) retusa, 29, 51, 77 
** ridibundus, 7 
‘“* (Eurynia) rimosa, 74 
**  (Obliquaria) rivularis, 76 
‘* (Law psilis) rosea, 4d 
* (Obliqnaria) rubra, 57 
var. lineata, AT 
“* pallida, 57 
ihe oy sealeaia, 53 
| ‘* (Bar. and Eury.) solenoides, . 29, 43 
| © (Obovaria) stegaria, 55 
} var. fasciolata, a) 
| ** tuberculata, 55 
fo oe ss striata, 4 
var. rosea, 55 
| ** tuberculata, 55 
+  (Obov. and Obliq.) subrotunda, 29, 52 
var. maculata, 62 
**  (Ohovaria) syntoxis, 29 
|  (ODliquaria) teneltus, 75 
|  * (Elliptio) teres, 63 
*«  (Obovaria) torsa, 29, 54 
| var. marginata, 5A 
| “ (Amblema) torulosa, 57,72 
| var, angulata, a7 
| ‘ (Obliquaria) triangularis, 53 
“* (Truncilla) triqueter, 29, 45 
as & truncata, 29, 46 
var. fusca, 16 
“* vermiculata, 46 
** (Obliquaria) tuberculata, 52 
«undulata, Say, 60 
| ‘ (Obliquaria) venus, 75, 84 
“* (Obliq. and Plag.) verrucosa, 29, 48 
“* (Obliquaria) violacea, 75 
“ (Elliptio) viridis, 38, 39, 41 
| var. fuseata, 39 
| “radiata, 39 
| ‘ (Lampsilis) vittatus, 73 
|“ (Elliptio) zonalis, 42 
Uniodia, 37 
Unionea, 20 
Urcinella, 7 
Vaginella, Daud., 13 
Valvata, Mull., 18 
Venericardia, Lam, 20 
Veneridia, 20 
Venulites, Lam., 5, 
Venus, L., 20 
Vermetinia, is 
Vermetus, Boissy, 18 
Vermicularia, Lam., 18 
Vertigo, Mull, 13 
Vestiarius, 18 
Vibex, 13 
Vitrina, Drap., 17 
Vivipara, Lam., 18, 27 
Viviparella, 18 
Voluta, 19, 24, 93 
Volutidia, 19 
Volvaria, Law , ly 
Vulsella, Lam., w» 
Xolotrema, 24, 27, 68 
Sb clausa, 68 
S lunula, 27 
Ue triodopsis, 27 
Zeuxonia, 16 
Zilotea, 17 
Zonarites, 69 
a atrata, 69 
5: tesselata, 6? 
