224 BULLETIN 37, UNITED STATES NATIONAL MUSEUM. 



Pecten Continued. 



phrygiuni 



reticulns 



Sigsbeei 



stiiatns 



strigillatns 



tbalassinus 



undatus 



vitrens 



Pectinacea 



Page. 



34 



34 



34 



34 



34 



34 



34 



34 



32 



Pectinidae 3 J 



Pectinodonta 156 



arcuata 156 



Pectunculua 42 



pcctinatns 42 



nndatus 42 



Pedicularia 134 



decussata 134 



Pedipes 92 



elongatns ' ... 92 



liratus PI. 47 



mirabilis 92 



nnisulcatus PI. 47 



Pelecypoda 32 



Peracle 



di versa 80 



helicoides 80 



reticulata 80 



Periplotua 64 



angnlifera 64 



fragilis 64 



inaequival vis 61 



papyracea 61 



tenera 64 



Peristichia 130 



agria 130 



loreta 130 



Perna 36 



ephippinm 36 



obliqua 30 



Persicula 108 



catenata 108 



palcherrima 108 



Petalooonchus 144 



erectus 141 



irregularia 144 



Petricola 58 



dactylus 58 



pholadiformis 68 



Petricolidae 58 



Petrophila 92 



Phasianella 158 



brevis 158 



pulchella 158 



umbilicata 158 



Phasi anell idao 158 



Philine 88 



amabilis 88 



flexnosa 88 



iiifundibulum 88 



lineolata PI. 72 



qnadrata PI. 72 



eagra 88 



Binuata 88 



Philinidas 88 



Page. 



Pholadidse 72 



Pholas campechiensis 72 



Phos 116 



Candei 116 



parvus 116 



Phyllonotns 120 



fulvescens 120 



hystricinus 120 



Pazi 120 



pomam 120 



Pinna 36 



carnea 36 



in uricata 36 



seminuda 36 



Pisania 114 



pusio 114 



variegata 114 



Placophora 174 



atlantica 174 



Placopboridae 174 



Placunanomia 32 



rudis 32 



Planaxidse 140 



Planaxis 140 



lincatns 140 



nucleus 140 



Platidia 28 



radiata ,.. 28 



seminula 28 



Platidmhe 28 



Plectodon 66 



Plenrobranchaea. . 90 



tarda 90 



Pleurobranchidae 90 



Pleurobranchus 90 



americanus 90 



Pleurodon 42 



Adamsii 42 



Plenrotoma 96 



albida 9G 



periscelida 96 



tellea 96 



vibex 96 



Pleurotomaria 168 



Adansoniana 168 



Quoyana 168 



Pleurotomariidffi 168 



Plenrotomella 102 



Agassizii 104 



agria 104 



aresta 104 



Bairdii. 104 



Benedict! 102 



Blakeana 104 



Bruneri 102 



Catherine 102 



chariessa 1 04 



curta 104 



Edgariana 104 



Emertonii 10t 



engonia 104 



extensa 104 



filifera 104 



fonnosa 1 2 



Frielei 10* 



