INDEX. 



755 



Poiretia, distribution of, *623 

 Polar areas, 663 

 Polycentridae, 466, 484 

 Polycentrus, 466 



schomburgkii, 325, 328, 466 



tricolor, 466 

 Polygyra, 532 

 Polygyrinae, 626 

 Polynesia, 626, 631 

 Pomadasis, 467 



andrei, 467 



argenteus, 467 



bayanus, 467 



boucardi, 467 



branicki, 467 



crocro, 467 



grandis, 467 



leuciscus, 467 



macracanthus, 467 



templei, 467 

 Pomadasys approximans, 467 



starri, 301, 467 



templei, 299, 301 

 Pomolobus melanostomus, 452 

 Pomotis fasciatus, 469, 476 

 Ponta Negra, 130 

 Popayan, 315 

 Popta, C. M., 505 

 Poptella, 441 



longipinnis, 324, 441 

 Porcupines, 23 

 Port Desire, 2, 27, 29, 64, 73, 75, 649 



Famine, 48 



Gregory, 35, 36 



Louis, 88 



Porta da Rifano, 339 

 Portillo, 547 

 Porto Alegre, 329, 546 

 Post-Tertiary, 294 



Potamolithus, 514, 548, 549, 550, 553, +566, 

 579, 602, 630 



agapetus, 571, 573, 575, 580, 581 



bisinuatus, 571, 573, 574, 575, 576, 577 



b. obsoletus, 573, 577 



buschii, 571, 572, 578, 579, 580, 582, 584, 

 585- 594. 596 



Potamolithus carinifer, 571, 572, 592 

 catherinae, 573, 585, *586 

 chloris, 57 1,573, 579 

 conicus, 571, 572, 581, 596 

 dentition of, 567 

 dinocheilus, 571, 572, 583, 595 

 doeringi, 573, 589 

 filipponei, 57I.57J, *5QO 

 gracilis, 571,573, 577, 578 

 g. viridis, 578 

 hatcheri, 571, 572, 594 

 hidalgoi, 571, 572, 574, 596, 597, 598, 599, 



600 



iheringi, 571, 572, 599, 600, 602 

 iritracallosus, 571, 573, 584, 585 

 jacuhyensis, 571, 573, 583 

 lapidum, *566, 567, 568, 569, 570, 571, 



572. 575. 576, 579, 58i, 584, 585, $86, 



588, 589, 590, 591, 595, 596 

 1. elatior, 588 

 1. supersulcatus, 567, *568, 571, 572, 580, 



588 



microthauma, 571, 572, 593, 596,507, 6o 

 orbignyi, 571, 572, 582, 596 

 paranensis, 572, 575, 589 

 paysanduanus, 571, 573, 588, 590, 602 

 p. impressus, 590, 591 

 p. sinulabris, 573, 590, 591 

 peristomatus, 571, 572, 587, 596, 598 

 petitianus, 573, 575 

 philippianus, 571, 572, 583, 601 

 quadratus, 571, 572, 592 

 ribeirensis, 571, 573, 584 

 rushii, 566, *567, 568, 571, 572, 599 

 simplex, 571, 573, 57,?, 586 

 sykesi, 571, 573, 574, 575, 576 

 tricostatus, 571, 572, 581, 582, 588, 592, 



593 

 Potamopyrgus, 514, 548, 559, 562, 630, 633 



corolla, 562 



coronatus, 562 



guaraniticus, 562, 563 



peteningensis, 559, 563 



scottii, 559, 563 

 Potamorhina, 420 



pristigaster, 420 



