436 Field Museum of Natural History — Zoology, Vol. VII. 



Placostylus — Continued. 



(Leucocharis) dorseyi 219 



pancheri 219 



pancheri var. Candida 219 



Planaxis sulcatus 217 



Planorbis subpronus 206 



Platophrj's lunatus 86 



ocellatus 86 



platostomus, Lepisosteus 238 



Platynoptera 381 



platyodon, Carcharhinus 29 



Platypcecilus tropicus 146 



platyrhinus, Phrynosoma 12 



Plectrypops retrospinis 45 



Pleuronectidae 86 



pleurospilus, Heterandria 137 



plumbea, Poecilochroa 363 



plumieri, Malaca.nthus 83 



Scorpaena 80 



Podicipedidae 194 



Poecilia 113 



butleri 138 



caudata 209 



chisoyensis 138 



dovii 113, 138 



limantouri 138 



mexicana 138 



petenensis 138 



salvatoris 138 



sphenops98,ii3,i37,i67,i8o, 186 



tenuis 147 



thermalis 138 



PoecJliidjB. . .35, 112, 136, 145, 151, 155, 



184, 298 



Poecilochroa 358, 363 



cyanipennis 362 



(Colyphus) gracilis 363 



Haagi 362 



plumbea 363 



Polinices mammilla 218 



sebse 218 



Polyodon 234 



sfMithula 235 



Polyodontifke 334 



Pomacentrid* 60 



Pomadasis 116 



grandis 116 



Pomolobus .288 



chryxochlot i . 288 



Pomoxis 307 



annularis 308 



sparoides 175, 308 



Pontinus 26 



Pontius 81 



Porzana Carolina 195 



Potamides palustris 217 



Potamocarcinus guatemalensis . . . 202 



Potamogeton 171, 180, 186 



lucens 171 



Potamonidae 202 



Priacanthidas 55 



Priacanthus arenatus 55 



cruentatus 55 



principis, Antennarius 89 



Pterophryne 89 



Priocera 356 



albomaculata 384 



castanea 356 



lecontei 356 



Prionodera 396 



tantilla 396 



Prionodes phoebe 54 



Pristidae 104 



Pristis 104 



antiquorum 104 



prognathus, Argyrosomus 292 



promelas, Pimephales 262 



prometheus, Promethichthys 46 



Thyrsites 46 



Promethichthys prometheus 46 



Promicrops guttata 52 



Psammof)his sibilans 405 



Psenes pellucidus 49 



Pseudoclcrops 357 



pseudogula, Eucinostomus 60 



Pseudoscarus acutus 70 



guacamaia 69 



psittacus 70 



quadrispinosus. 70 



Pseudoxiphophorus bimaculatus. . 151 



psittacus, Pseudoscarus 70 



Pterophryne gibba 89 



histrio 89 



picta 89 



principis 89 



puclhi, Hypoplcctrus 54 



pulchni, Anniella 13 



pulcx, D.'iphnia • 204 



