328 



INDEX, VOLUMES II TO XVII. 



Oonia Gemm., viii, . . 265 

 Opalia Ads., ix, . . . 50 

 Operculatum Ads., xvi, . 176 

 Ophileta Vanux., ix, . .7 

 OPISTHOBRANCHIATA, xv, . 134 

 Orina A. Ad., viii, . 296, 310 

 Oriostoma Mun.-Chal , viii, 9 

 Ornithochiton Cpr., xiv, . 244 

 Orthaulax Gabb, vii, . 103 

 Orthomesus Pils., x, . 164, 179 

 Orthonema Meek & Worth. 



viii, 264 



Orthonychia Hall, viii, . 107 

 Orthopoma Gray, x, . .10 

 Orthostelis Arad., viii, . 317 

 Oscanius Leach, xvi, . 191, 212 

 Oscilla A. Ad., viii, . 296, 309 

 Osilinus Phil., xi, . 9, 92 

 Ossiania Monts., xvi, . 2 

 Osteochiton Dall, xiv, . 294 

 Otavia Risso, xi, . . 47 

 Otocheilus Conr., iv, 78, vi, 159 

 Otopleura Fisch., viii, 295, 304 

 Otostoma d'Arch., x, . .5 

 Ovula Brug., vii, . 243, 246 

 Ovulactseon Dall, xv,. 136, 178 

 OVULID^;, vii, . . . 243 

 OXYNOEID.E, xvi, . * . 161 

 Oxynoe Raf., xvi, . .162 

 Oxystele Phil., xi, . 10, 112 



Pachybathron Gask., vii, 



270, 283 



Pachypoma Gray, x, . 190, 244 

 Pachystylus Gemm., viii, . 299 

 Pacobranchus Gray, xvi, . 114 

 PadollusMontf.,xii, . 75, 120 

 Pagodella Swains., ix, . 231 

 Pagodus Gray, ix, . .231 

 Palseatractus Gabb, iii, . 103 

 Palseoniso Gemm., viii, . 261 

 Pallochiton Dall, xiv, . 256 

 Papillina Conr., iii, . .103 

 Paramenia Pruv., xvii, . 306 

 Paranassa Conr., iv, . . 8 

 Paraplysia Pils., xvi, . 64, 115 

 Pararrhopalia Simr., xvii, 307 

 ParastrophiaFolin, viii,214, 223 



Paria Gray, x, . . 10, 80 

 Parkeria Gabb, x, . .15 

 Parmophorus Cantr., xvv . 186 

 Parmophorus Blainv., xii, . 287 

 PartheninaB.,D. &D.,viii, 321 

 Parthenia Lowe, viii, . . 321 

 Parthenopia Oken, xvi, . 39 

 Paryphostoma Bay an., ix, . 321 

 Parvisetia Mouts., ix, 319, 358 

 Pasithea Lea, viii, . 259, 263 

 Patella Linn., xiii, . 80, 172 

 Patellastra Monts., xiii, . 171 

 PATELLID^E, xiii, . 76, 172 

 Patellidea Thiele, xiii, .171 

 Patellites Walch, xiii, . 80 

 Patelloidea Q. & G., xiii, . 7 

 Patellona Thiele, xiii, .171 

 Patellopsis Thiele, xiii, .171 

 Patellus Montf., xiii, . . 80 

 Patina Leach, xiii, . .109 

 Patinastra Thiele, xiii, . 171 

 Patinella Dall, xiii, . . 116 

 Payraudeautia B., D. & D., 



viii, 6, 42 



Peasiella Nev., ix, . 232, 263 

 Pectinodonta Dall, xiii, . 6 

 Pedicularia Swains., vii, . 241 

 PEDICULARIID^E, vii, . . 241 

 Pelecydium Fisch., ix, 317, 341 

 Pelicaria Gray, vii, . 105, 134 

 Pellilitorina Pffr., ix, 230, 255 

 Peloronta Oken, x, 4, 18, 24 

 PeftaQuatr.,xvi. . 171, 239 

 Peltarion Desl., x, . .12 

 Peltidce, xvi, . . .170 

 Pentadactylus Klein, ii, . 248 

 Perdix Montf., vii, . . 258 

 Pereirsea Crosse, vii, . .101 

 Peribohis Adans., v, . . 232 

 Peringiella Monts., ix, . 317 

 Perissolax Gabb, iii, . .104 

 Peristera Raf., v, . . 232 

 Peristernia Morch, iii, 48, 79 

 Perotrochus Fisch., xii, . 70 

 Perrinia Ads., xi, . 15, 416 

 Perrona Schum., vi, . 157, 231 

 Persephona Leach, ix, 316, 330 

 Persicula Gray, v, .15, 36 



