INDEX. 



747 



Oxydoras dorbigny, 348 



d'orbignyi, 394 



eigenmanni, 341, 394 



knerii.341,394 



niger, 321, 393 



orestes, 394 

 Oxygons, 151 

 Oxylabrax, 466 

 Oxyloricaria barbata, 416 

 Oxymycterus, 4, 44, 81, 82, 84, 85 



apicalis, 82, 83 



inca, 82, 83 



juliacae, 82, 83 



lanosus, 82, #j, 84, 85 



micropus, 85 



microtis, 5, 83, 84 

 Oxyropsis, 405, 412 



carinatus,4i2 



guntheri, 412 



inexpectatum, 342 



inexpectatus, 412 



wrightiana, 412 

 Oxystyla, 620 



distribution of, *62i 



Pacasmayo, 653 

 Pachycheilus dalli, 576 

 Pachydrobia, 549 

 Pachypops, 468 



adspersus, 339, 468 



furcraeus, 326, 468 



trifilis, 326, 468 

 Pachyurus, 468 



bonariensis, 346, 351, 468 



corvina, 468 



francisci, 333, 468 



lundii, 468 



nattereri, 468 



schomburgkii, 326, 346, 468 



squamipinnis, 333, 468 

 Pacific coast, 101,282,317,669 



islands, 101, 612 



Ocean, 100, 116, 122, 133, 293, 302, 310, 

 311, 372, 522, 619, 620, 626 



Slope, 2, 48, 61, 77, 229, 230, 248, 255, 259, 



279, 288, 296, 297, 299, 302, 303, 309, 

 312, 314, 352, 353, 360, 361, 362 

 Pacini, 490 

 Packard, A. S. ( 643 

 Pacu, 424 

 Pajeros, 183 



pampanus, 183 



Palaeozoic era, 612, 614, 632, 633 

 Pallas, P. S., 485 



Palmer, T. S., n, 31, 86, 103, 152, 165 

 Paludestrina, 549, 552, 570 



acuta, 553, 570 



andicola, 561 



attenuata, 563 



auberiana, 553 



australis, 552, 557 



boetzkesi, 561 



charruana, 558 



culminea, 550, 561 



cumingii, 560 



ecuadoriana, 561 



isabelleana, 559 



lapidum, 586 



minuta, 553, 570 



parchappii, 559 



peristomata, 553, 596 



peristomatus, 587 



petitiana, 575 



picium, 558 



popoensis, 560 



salsa, 570 



Paludestrina, 550, 566 

 Paludicola bufonia, 212, 214 



bufonina, 214 

 Paludina, 550 



acuta, 552 



andicola, 561 



atacamensis, 560 



australis, 552, 557 



brunnea, 559 



conica, 559 



cumingii, 560 



lapidum, 552, 586 



parchappii, 559 



peristomata, 552, 596 



picium, 558 



