Psammobiidæ Deshayes 
II, 477 
Pyramis albulus Brown 
I, 273 
Psammocola Blainville 
II, 485 
— crenatus Brown 
I, 183 
— depressa Pennant 
11, 488 
— elegantissimus Montag. I, 179 
— florida Lamarck 
11, 487 
— spirolinus Brown 
I, 175 
— vespertinalis Blainville II, 486, 488 
Pyrcne Bolten 
I, 71 
Psammopliila Leach 
II, 565 
— rosacea Gould 
I, 71 
— solenoides Lamarck 
11, 578 
Pyrgisculus Monterosato 
ir, 768 
Psammotœa Lamarck 
II, 478 
Pyrgiscus Philippi 
I, 178 
serotina Lamarck 
II, 489,490 
Pyrgolidium Monterosato 
IT, 768 
— striata Costa 
II, 712,716 
Pyrgostelis Monterosato 
II, 769 
— tarentina Lamarck II, 684,685 
Pyrgostylus Monterosato 
5f, 868 
688 
Pyrgulina A. Adams 
I, 157 
Psammotella Blainville 
II, 660 
gl ' 
II, 767 
Psendaxinea Monterosato 
II, 775 
Ps'eudofusus Monterosato 
II, 765 
R 
Pseudomurex bracteatus Brocchi II, 791 
Radula Rumphius 
II, 50 
— Meyendorffi Calcara 
II, 791 
— hians Gmelin 
II, 56 
Pseudorbis Monterosato 
1, 423 
— inflata Chemnitz 
II, 53 
Pseudosetia Monterosato 
II, 772 
— lima Linné 
II, 51 
Pterigia Bolten 
I. 71 
— Rumphiana Klein 
II, 50 
Ptychostomon obliquum Aider 
II, 794 
— scabra Born 
11, 55 
Pullastra Sowerby 
11,396,402 
Radulidæ B. D. D. 
IL 50 
— aurea Gmelin 
II, 410,417 
Ranella Lamarck 
I, 28, 48 
— Beudanti Payraudeau 
IT, 417 
62 
— bicolor Lamarck 
II, 417 
— gigantea Lamarck 
I, 28 
— decussata Linné 
II, 431 
— gyrinata Risso 
I, 32 
— florida Lamarck 
II, 417 
— olearium Deshayes 
I, 28 
— geographica Linné 
II, 410 
— pygmæa Lamarck 
I, 47 
— glandina Petit 
H, 410 
— reticularis Petit 
I, 28 
— iras Linné 
II, 440 
— scrobiculator Linné 
II, 791 
— perforans Montagu 
II, 404 
— tuberculata Broderip 
I, 28 
— pulchella Lamarck 
II, 417 
— — Risso 
I. 31 
— rhomboides Pennant 
II, 397 
Raphitoma Bellardi 
I, 88, 99 
— : senegalensis Petit 
H, 404 
108,111 
— texturata Lamarck 
II, 416 
■ — 
II, 766 
— . virginea Brown 
11, 397,398 
— albida Deshayes 
I, 106 
— vulgaris Brown 
II, 404 
— anceps Eichwald 
I, 87 
Purpura auct. 
I, 252 
— attenuata Montagu 
I, 101 
Purpura Lamarck 
I, 62 
— Barbierii Brusina 
I, 87 
— barcinonensis Hidalgo 
I, 63 
— brachystoma Philippi 
II, 792 
— consul Chemnitz 
I, 63 
— costnlata Blainville 
II, 792 
— corniculata Risso 
I, 75 
— costulatum Risso 
I, 100 
— Edwardsi Payraudeau 
I, 23 
— Cyrilli Brusina 
1, 97 
-à. ■ ■ exsculpta 
I, 21 
— — Payraudeau 
I, 98 
— gigantea Reeve 
I, 63 
— Ginnanianum Risso 
I, ICO 
— Guatierii Scacchi 
I, 25 
— — — 
II, 781 
— hæmastoma Linné 
I, 62 
— gracilis Montagu 
I, 89 
— lapillus Linné 
I, 62 
— lævigatum Philippi 
I, 100 
— maculosa Lamarck 
I, 25 
— — —, 
II, 781 
— nux Reeve 
I, 23 
— La Viæ Philippi 
I, 90 
— oceanica Locard 
II, 780 
— multilineolata Desh. 
I, 109 
— silus Adanson 
I, 27 
— nebula Montagu 
I, 99. 102 
— variegata Schubert et 
— nuperrima Tiberi 
II, 792 
Wagner 
I, 25 
— ornata Locard 
II, 781 
Pusia Swainson 
I, 119 
— Payraudeaui Desh. 
II, 792 
Pusïllina Monterosato 
H, 772 
—: — Weinkauff 
I, 102 
Pygmœa Humphrey 
I, 71 
— poli ta Brusina 
I, 100 
Pyramidellidæ Gray 
I, 157 
— pusilla Scacchi 
I, 109 
Pyramis Couthouy 
I, 194 
— rosea Brusina 
I, 97 
