INDEX. 



Philomycus flexnolarig. 

 " fncsus, 



" oxyurus, 



" quadrilus, 



Pholadaria, 

 Pholas, Linn., 

 Phoronea, 

 Phuscaria, 

 PhyleriB, 

 Phyllidia, Cuv., 

 Phyllidinia, 

 Phyllirhoe, Pf. ry, 

 Phymesoda, 

 Phymotis, 

 Physa, Drap. , 

 Physina, 

 Pinna, Linn., 

 Pinnnia, 

 Placuna, Lam., 

 Placnnia, 



Plagiola, 2n, 42, 46 



Planorbia, 

 Planorbis ,Qeof., 



" albescens, 

 Planospira, Lam., 

 PlanvUltes, Lam., 

 Platalias, 

 Platilia, 

 Platilites, 

 Platinites, 

 ; " striata, 



" Plenreterite.s, 



•' aniwcla. 



" bifasciata. 



•' concentricd , 



" divisa, 



" l.Ueiistriaia, 



" latiundata, 



■' obliqua, 



" steilata, 



" striata, 



Pleurinia, 

 Plerobema, 



Pleurobranchus, Lam., 

 Pleurocera, 



" acata, 



" angulata, 



" coneola, 



" fascial a, 



" gonula, 



" quadrosa, 



" retusa, 



" saxatilis, 



" turricula, 



" verrucosa, 



Pleuroma, Lam . 

 Pleuropia, 

 Pleuropteria, 

 Pleuropns, 

 Pleurotoma , 

 Pleuroxis, 

 Plicatnla, Lam., 

 Pneumoderma, Cuv., 

 Polarnaxia, 

 Poleteria, 

 Polithalus, 

 Polizoon, 

 Poliphonus, 

 Polydectns, 

 Polymesoda, 

 Potamilae, 



" alatuB, 



" anratns, 



" ellipticas, 



'■ fasciatus, 



" fagciolaris, 



66 

 65 

 64 



64 

 19 

 19 

 17 

 21 

 IP 

 in 

 16 

 9. 16 

 61 

 t7 

 18 

 18 



20, 30, 68 



20, :V) 



21 



21 



64, 72. 7.5, 77 



18 



18. 24, 27 

 92 

 18 

 lo 

 18 

 86 

 J>6. 87 

 24, 28 



28 

 90 

 91 

 91 

 91 

 91 

 91 

 91 

 91 

 9(1 

 91 

 S6 

 66 

 17 

 23, 25, 26, 66 

 66 

 23 

 23 

 13 

 67 

 67 

 23 

 22 

 23 

 6.5 

 18 

 16 

 16 

 16 

 24 

 24 

 21 

 9, 16 

 15 

 14 

 13 

 21 

 19 

 17 

 61 

 22, 24. 35 

 22 

 22 

 22 

 23 

 22 



Potamilue fragilis, 

 " gibbosus, 



" latissimus, 



" leptodnn. 



•' nervosn-'-, 



" niger, 



" nodosus, 



" obovalis, 



" obliquatns, 



■' phaiedrus. 



" pusillus, 



" retusus, 



" snbrotundns, 



" triqueter, 



" truDcatus, 



" tubercularif, 



" verrucosus. 



" violacinus, 



" zonalis, 



Potamiphus, 



Praxidlce, 



Productus, 



Prognella, 



Proptera, 



Psephides, 



'■ par.idoxa, 



Psilotns, Poli , 



Pterocera, Lam , 



Pteropodia 



Pterotrachia, Forsli., 



Pupa, Lam. 



Puparia, 



Purpura. Bruj<., 



Pyramidella, Lam , 



Pyrula, Lam., 



Quadrula. 



Kadiolita, Lam., 



Ropalitia, 



Rotalites, Lam., 



Rostellaria, Lam , 



Rotuudaria, 



RupcUaria, Fleuijaii, 



Rupicola, Fhieriaii, 



Sachondrus, 



" saccata, 



Sachroa, 



Saconites, 



" granlaris, 



Salpa, Linn., 



Salparia, 



Sanguinolaria, 



Sarcopterus, 



' ' ruber, 



Saxonus, 



Saxicava, Fl., 



Scalenaria. , 



Scyllea, Linn., 



Scytinoma, 



Scytinomia, 



Sephinia, 



Sepia, Linn., 

 " mi'cronalai 



Seipula, Linn., 



Serpularia, 



Sigaretia, 



Sigaretus, Lam., 



Siliquaria, Lam., 



Sintoxia 



" lateralis, 



Siphalomphix, 



" bnnariensis 



Siphobranchia, 



Siphodon, 



Sipbonemns, 



Solarinm, Lam., 



Solen, Linn , 



22 



m 



22 



22 

 22 

 22 

 23 

 23 

 22 

 22 

 23 

 22 

 22 

 22 

 22 

 23 

 23 

 •22 

 22 

 s9 



18 



24,28, .30,87 90 

 20 

 44 

 89 



88.89 

 20 

 19 

 9, 10, 15 

 9,16 

 17 

 17 

 19 

 IS 

 19 

 49 

 21 

 15 

 15 

 19 

 42, .50, 52, 76 

 19 

 19 

 21 

 21 

 •21 



24. 31 

 ol 

 21 

 21 

 19 

 10,12. 16 

 12 

 IS 

 19 

 47, 52, 73. 76, 77 



10,16 

 21 

 21 

 15 



11. 16 

 11 

 13 

 13 

 17 



17,33 

 IS 

 5^, 73. 7\ 76 

 53 

 93 

 93 

 19 

 12 

 13 



18,24 



19,84 



