Occasional Papers of the Museum of Zoology 



II 



pyramidiatum. .112, 4, 24, 69 



simpsoni 112, 27 



striatum 112, 27 



Pleurocera acuta 91, 1, 2 



hinkleji 91, 1, 2 



neglectum 91, 2 



Poa 109, 11 



Poenia 106, 36 



Polygonum amphibium. .111, 12 



Polygyra albolabris 



102, 2; 111,26, 38 



maritima Ill, 26, 38 



fraterna. .102, 2; 111, 26, 38 



monodon 102, 2 



profunda Ill, 26, 39 



sayana 102, 2 



Pomatopyrgus coronatus.lOG, 37 

 Populus balsaniifera ... .111, 25 



grandidentata ... 



109, 19; 111, 24 



tremuloides.109, 19; 111, 24 



Potamogeton Ill, 8, 14 



amplifolius Ill, 9, 12 



filiformis Ill, 9 



natans Ill, 9 



pectinatus Ill, 8 



perfoliatus Ill, 8 



richardsonii. .109, 33; 111,8 



spp 109, 8 



zosteraefolius Ill, 9, 12 



Prionodactylus 103, 1 



mariniis 103, 1 



ockendeni 103, 4 



vertebralis 103. 4 



Proptera 112, 33 



capax 112, 64 



laevissima 112, 37 



Prunus pennsylvanica. . .109, 19 



Pselllodes 97, 1, 25 



colombiana 



97, 2, 25, 26, 27, 28 



natalaiia 97, 28 



orplmia 97, 26 



Pselliophora 97, 25 



cavincola 97, 25 



cubensis 97, 26 



nigrovittata i)7, 25, 26, 28 



pulchritarsus 97, 26 



Pseudohyalina 106, 54 



Psoronaias 106, 9, 10 



kuxensis 106, 11, 12 



Pteropus vampyrus lanansis. 



110, 1 



Pterosygna 112, 33 



Pterosyna 112, 33 



Ptychobranchus 112, 41, 42 



fasciolare 112, 42 



phaseolus 112, 41. 42 



Pupilla muscorum 9S, 9 



Pyramidula alternata 



..98, 10; 102, 3; 111, 26, 37 



cronkhitei anthonyi 



98, 8; 102, 3 



catskillensis.lll, 26, 28, 37 



Q 



Quadrula 



106, 9; 112, 11, 14, 15, 16, 

 17, 18, 44 



asperrima 112, 14 



bullata 112, 15 



coccinea 112, 23 



magnalacustris .... 112, 24 



paupercula 112, 24 



cordata 112, 21, 23 



costata 112, 12 



ebena 112, 4 



ebenus 112. 4 



eightsii 106, 6 



flava 112, 5 



heros 106, 6; 112, 8, 13 



var 112, 10 



lachrymosa 112, 14, 16 



asperrima 112, 16 



metanevra 112, 15, 17 



nickliniana 106, 6, 7 



nodulata 112, 17 



obliqua 112, 6. 21 



obovalis 112, 4 



paupercula 112, 24 



peruviana 112, 13 



plena 112, 21. 23 



plicata 112, 13 



hippopoea 112, 13 



pustulata 112, 17 



