MUSEUM OF COMPARATIVE ZOOLOGY. 



143 



Neaera ornatissima, 110. 

 Necera var. per rostrata, 110. 

 Neaera rostrata, 111. 

 Neilo, 125, 126. 

 Neilo dilatata, 125. 

 Neilo messanensis, 124. 

 Neilonella, 125, 126. 

 Nucula crenulata, 123. 

 Nucula ajtherea, 123. 

 Nucula dilatata, 125. 

 Nucula glabra, 125. 

 Nucula var. obliterata, 123. 

 Nucula tenuis, 123. 

 Nueulocardia divaricata, 116. 



Oxystele nitens. See Marg. euspira. 



Patella fissura, 75. 



Patella noachina, 74, 75. 



Pandora oblonga, 109. 



Pandora rostrata, 110. 



Panopaea, 116. 



Pecten sp., 117. 



Pecten lucidum, 117. 



Pectunculus castaneus, 118. 



Pectunculus rainutus, 119. 



Pectunculus variegatus, 118. 



Pedicularia albida, 39. 



Philine Loveni, 100. 



Philine quadrata, 99. 



Philine sp., 99. 



Photinula. See Bathymophila. 



Platidia anomioides, 104. 



Platyschisma, 51. 



Pleuronectia lucida, 117. 



Pleurotoma, 53, 57. See also Ancistro- 



syrinx, Bela, Daphnella, Drillia, Geno- 



ta, Mangilia. 

 Pleurotoma oxytropis, 58. 

 Pleurotomaria Adansoniana, 78, 137. 

 Pleurotomaria Beyrichii, 79. 

 Pleurotomaria Qnoyana, 78. 

 Pleurotomaria Rumphii, 137. 

 Pleurotomariidce, 77. 

 Pleurotomella, 57, 64. 

 Pleurotomella ' Sigsk i, 57. 

 Pleurotomella Verrillii, 57. 

 Poromya, 108, 122. 



Poromya anatinoides, 108. 

 Poromya granatina, 109. 

 Poromya granulata, 108. 

 Poromya rotundata, 108. 

 Poromya var. triangularis, 108. 

 Portlandia arctica, 112. 

 Portlandia intermedia, 127. 

 Potamomya, 116. 

 Puncturella, 74, 75, 77. 

 Puncturella circularis, 75. 

 Puncturella Cooperi, 76. 

 Puncturella granulosa, 76. 

 Puncturella profundi, 76. 

 Puncturella trifolium, 76. 



Ringicula nitida, 97. 

 Ringicula semistriata, 97. 



Saxicava azaria, 116. 

 Scaphander lignarius, 100. 

 Scaphander? Watsoni, 99. 

 Schizostoma, 51. 

 Seguenzia carinata, 48. 

 Seguenzia delicaiula, 48. 

 Seguenzia formosa, 47. 

 Seguenzia ionica, 48. 

 Silicula, 120. 

 Siliquaria modesta, 39. 

 Sinusigera, 68. 

 Sipho, 74, 75. 



Siphonodentalium compressum, 38. 

 Siphonodentalium quadridentatum, 36. 

 Siphonodentalium tetraschistum, 36. 

 Solariidae, 51. 

 Solenella, 126, 127. 

 Sphena alternata, 110. 

 Sphena ornatissima, 110. 

 Spondylus sp.. 117. 

 Syndosmya lioica, 133. 

 Syndosmya longicallis, 133. 

 Syndosmya similis, 133. 

 Syndosmya tenuis, 133. 



Tapes virgineus, 123. 

 Tarania holla, 71. 

 Tarania Morchii, 70. 

 Tellina Antoni, 184. 



Tellina cuneata, 134. 



