384 



INDEX. 



Page. 



Moniliopsis elaborata, C, 143 



Monocondyloea, [seePseu- 



doclon, Leguminaia.] 



" crebristriata^A., 205 



" Peguensis, An., 205 



Monoptygma curta, Con., 143 



Leai, Whit., 261 



Muclalia, Hald., 112 



Murex Vanuxemi, Conr., 210 



Mysia astartiformis, Con., 147 



" deltoidea, Conrad, 147 



" levis, Conrad, 147 



Natica Alabamieusis,Wh., 265 



" aperta, Whitfield, 265 



" erecta, " 264 



" onusta, " 264 



" perspecta, " 264 



" reversa, " 264 



NaveaNewcombii, Tr,, 39, 285 



Nitocris, H. & A. Adams, 107 



ISTiicula spbeniopsis. Con., 140 



Nucnlana bnifera, Conr., 139 



" protexta, Conr., 147 



Obeliscus perexilis, C, 144,211 

 Odotropis, Kaf., 81 



Oedaba, Carpenter, 281 



Ompbabna, Eaf., 81 



Ostrea falciformis, Conrad, 140 

 Oxytrema, Eaf., Ill 



Pacbycbeilus, Lea, 103 



Palndina, [see Melantbo, 



Vivipara.J 

 Paludomus, Swainson, 112 

 Penitella curvata, Tryon, 40 

 parva, Tryon, 39 

 Pholas, [see Penitella, Na- 



vea.] 

 Physa, [see Bulinus.] 



" Cooperi, Tryon, 224 

 " diaphana, " 224 



" distinguenda, Tr., 225 

 " lata, Tryon, 227 



" malleata, Tryon, 225 



Page. 



Pbysa occidentalis, Try., 226 



" politissinia, Tryon, 226 



" Primeana, Tryon, 227 



" propinqua, Tryon, 223 



" sparsestriata, Try., 224 



Pisania Claibornensis, W., 259 



Planorbis Hornii, Tryon, 231 



" OregonensiSjT., 231 



Pleurocera, Eaf., 110 



" affine, Lea, 304 



" Alabamense,L.,306 



" altipetum, A., 313 



" alveare, Con., 303 



'' auniiliferum,C.,308 



" Antbonyi, Lea, 306 



" aratuni. Lea, 309 



" attenuatum,L., 314 



" bicostatum,A., 307 



" bivittatum, L., 314 



" Brumbyi, Lea, 308 



" canaliculatum. 



Say, 304 



'•' canalitiura,Lea,306 

 " carinatum. Lea, 309 

 " Carobnense,L., 314 

 " Chakasaha- 



ense, Lea, 312 

 Christyi, Lea, 311 

 " cinctum. Lea, 309 

 " Clarkii, Lea, 306 

 Conradi, T., 38, 310 

 " corneum. Lea, 313 

 " Currierianum, 



Lea, 308 



" curtatum, Lea, 309 

 " curvatum. Lea, 314 

 " cylindraceum. 



Lea, 311 



" dignum, Lea, 307 

 dux. Lea, 304 



" elevatum, Say, 308 

 " elongatum, L., 308 

 Estabrooki, L., 314 

 " excuratum, C, 303 

 " eximia, Antb., 309 

 " fastigiatum, L,, 305 



