386 



INDEX. 



Page. 



Pleurocera vennstnin. Lea, 313 



" vestitum, Con., 312 



" viride. Lea, 30-1: 



" viridulum,An., 313 



Whitei, Lea, 3U 



Pleurotomaadeona, AVliit., 262 



" capax, Whit, 261 



" nasuta, " 262 



" persa, " 262 



Pleurotomaria perlata, C. 213 



Pomatiopsis intermedia, T. 220 



Potadoma, Swainson, 104 



Potamides Alabamiensis, 



Whitfield, 266 



Potamop3^rgus. Stimpson, 53 

 Protocardia lima, Conrad, 139 

 Pseudodon elliptica. Conr.,351 

 Pseudoliva " Whit., 260 

 Pterocjclos parva, Pease, 290 

 Ptychatractidae, Stimpson, 59 

 Ptjchatractus, '* 59 



Pupa fallax, Say, 285 



Pupoidea, Pease, 290 



Pyrula juvenis, Whitfield 259 



Eealia affinis, Pease, 288 



" lajvis, Pease, 289 



" ochrostoma. Pease, 287 

 " scalariformis, Pse., 288 

 " variabilis. Pease, 288 



Eissoa Cooperi, Tryon, 222 



Schizostoma, Lea, 113 



*' Alabamense, 



Lea, 335 



" amplnm. A., 33-1: 



" Authonyi.E., 335 



" babylonicum, 



Lea, 335 



" Buddii, Lea, 385 



" bulbosum,A.,334 



" cariniferum, 



Anth., 333 



" castaneum,L.,333 



" constrictum, 



Lea, 335 



Page. 

 Schizostoma curtum, M., 334 

 " cylindraceum. 



Mighels, 334 



demissum,A..335 



ellipticum,A.,333 



escisum.Lea, 333 



faniculatum, 



Lea, 335 



glandula, L., 336 



glans, Lea, 334 



Hartmanii,L.,335 



incisum, Lea, 336 



laciniatum,L.,333 



nuculum. A., 334 



ornata. An., 335 



ovalis. An., 334 



ovoideum,S., 333 



pagoda, Lea, 334 



pumilum, L., 333 



pyramidatum, 



Shutt., 334 



quadratum, 



Anth., 336 



rectum, An., 335 



robustum, A., 336 



salebrosum, 



Anth., 



Showalteri- 



ana. Lea, 



Showalterii, 



Lea, 



sphaericum, 



Anth., 



Spillmanii, 



Lea, 



virens. Lea, 



Wetumpka- 



ense. Lea, 



Simnia, Risso, 



Somatogyrus aureus, Tr., 220 



" parvula, Tr., 221 



Sphrerella bulla, Conrad, 138 



Stenotrema, Raf., 81 



Strephobasis, Lea, 118 



" bitaeniata, C, 330 



" carinata, L., 329 



336 



335 



333 



334 



335 

 336 



335 



94 



