— 806 



Ommalostrephes, 217, 268, 270, 271. 



Oncidiella, 99, 190, 212, 224, 248, 253, 

 239. 



Oncidioim.s, 111, 164,277,288. 



Onridinw, 18, 146, 282, 413, 431, 626, 

 720. 721. 



Opisthubranches, 18. 



Opi.lholeutlm, 182, 199, 271, 286, 368. 



Orcula, 47. 



Orthn liens, 29, 32, S60, 734. 



Osranius, 94, 160, 196. 



Ostrca, 15, 18, 59, 196. 214, 221, 240, 

 262, 374, 446, 451, 437, 486, 489, 490, 

 502. 505, 512, 523, 526, 530, 548, 558, 

 575. 581, 585, 386, 622, 690, 695, 696. 

 772. 



Otala. 6, 33. 



Otostomus. 545. 



Ovula, 299, 582. 



Oxy stèle, 127. 



Pachytnenia, 205. 



PaedocUont', 158. 



Palaina, 37. 



Palinurns, 459, 607. 



Paludfstrina, 45, 375, 427, 430, 447, 

 502, .503, 568, 383. 



Paludina, 18, 20, 45, 147, 163, 222, 

 227, 251, 285, 293, 300. 303, 354, 357, 

 376. 393, 472, 479, 507, 511, 370, 576. 

 582, 623, 628, 717, 764. 



Paludindln, 48, 502. 575. 



Paludomus, 6, 130, 711. 



Pandora, 104. 



Pdranienia, 205. 



Parnwphorus, 532. 



Parlyla, 385, 437, 442, 448, 464, 600, 

 618. 655. 656. 662,665, 681, 697. 698, 

 714, 724, 734. 736, 741, 742, 74i, 745. 

 746, 760, 768. 



Pntella, 16, 26, 27, 109. 111. 190, 224, 

 2,54, 274. .307, 375, 386, 397, 398, '.14, 

 4.50, 459. 467, 484, .512, 548, 549, .551, 

 .553, 5.56. .565, .592, 607, 611, 616, 626, 

 677, 716, 723, 725, 726, 729. 749. 



Panda, 161,522, 525. 



Pecten, 15, 18, 51, 52, 53, 54, 56. 57, 58, 

 59, 64. 65. 101, 196, 213, 240, 264, 

 282, 283. 346, 367, 416, 429, 449. 452, 

 461, 462, 463, 466, 495, 515, 528,384, 

 586, 592, 602, 611, 690, 692, 695; 697, 

 716, 718,721, 722, 725. 



Peclunculus, 195, 198. 283, 289. 



Pedimlaria, 164, 582. 



Pedipes, 114. 



Pelseneena, 589. 



Pelta, 143, 299. 



Peiiaeiis, 459, 607. 



Penilelld, 587. 



Perna, 214, 215, 374. 



Peronina, 234. 



Petricola, 418. 



PhaseoUcama, 261, 286. 368. 



Phdsianelku 108, 130, 532. 



Phidiana, 279. 



Philine, 90, 91, 232, 257. 261, 293, 



295, 309, 312, 313, 315. 332, 333, 

 334, 335, 336, 3.50, 409, 457, 567, 

 600, 605. 



Philobriia, 193, 482, .521. 



Pliilo»e.ris, 19 



PhilopoUuiiis, 6. 



Pliolas. 65, 103, 221, 263, 376. 4.57, 495. 



512, 523, 530, a67, .569, 600, 675, 677, 



678, 772. 

 Photiunla, 108, 128, 275. 

 PhiillapUisia, 485. 

 Phijllidia, 1.55. 

 Phylliroe, 223, 299. 

 Phijllodesmmm, 95. 

 Physa, 5. 37, 45. 73, 86, 88, 90, 107, 108, 



114, 118, 119, 121. 125, 146,211,220, 



227, 242, 256, 259, 281, 286, 294. 295, 



296, 299, 303, 303, 310, 314, 315, 316, 

 317, 326, .327. 328, 329, 331, 334. 335, 

 343, 35 i, 3.56, 357, .385, .395, 396, 3'.)7, 

 399, 400, 401, 422. 430, 444. 447, 472. 

 480. 493, 498, 499, .503. .504, 505, 507, 

 511, 515. 518, .533, 543, 545, 546, .5.59, 

 571, .572, .573, .584, 590, 61 1, 612. 614, 

 616. 619, 643, 615, 6.S2 666, 720 721, 

 727, 732, 737, 748. 



