INDEX OF SPECIES. 



89 



Pectunculus 



corbis, 4. 



giganteus, 27, 208, 233, 



O 285, 289, 310, 352. 

 iuaequalis, 10, 24, 200, 178, 



182, 249, 285, 289, 



290, 310, 366, P 144. 

 maculatus, 24, 200, 208, 



277, 310. 

 multicostatus, 249, 310, 



366, P 144. 

 nitens, 165, 367. 

 parcipictus, 24, 229, 310. 

 patulus, 165, O 367. 

 pectenoides, 24, 208, 265, 



310, 

 pectiuiformis, 249, P 144. 

 septentrionalis, 219, 223. 

 tessellatus, 229. 

 Pedicularia 



Califoruica, 119, 149. 

 decussata, 119. 

 elegantissima, 119. 

 Sicula, 119. 

 Pedipes 



angulatus, 275, 316. 

 liratus, 98, 116, 133, 159. 

 Penitella 



Conradi, 14, 121, 203. 



ovoidea, 76. 



penita, 76, 121. 



spelaea, 76. 



tubigera, 15, 203. 



Wilsonii, 121, 194, 265, V 



209. 

 xylopliaga, 15, 203. 

 Perdicea 



nodosa, 48. 

 Periploma 



alta, 2S0, 301, 



argentaria, 80, 124,0 194,0 301, 



351, Q 229, V 211. 

 excurva, Q 229. 

 excurvata, 287, 301. 

 Leana, 231, 297, 301, Q 229. 

 obtusa, 62. 



Periploma 



papjracea, 287, 301, Q 



229. 

 planiuscula, 194, 231, 



301, 352, V 211. 

 Perna 



anomioides, 52. 



Californica, 52, 193, 198, 



234, V 219. 

 Chemnitziana, 233, 277, 



P 150- 



costellata, 52, 19S, P 152, 

 V 219. 



flexuosa, 208, 233, 249, 

 P 150. 



incisa, V 219. 



maxillata, 82. 



montana, 82. 



quadrata, 60. 



radiata, P 150. 

 Peronaeoderma 



ochracea, 104, 210. , 



pmiicea, 202. 

 Peronaeus 



artemisia, 158. 

 Persicula 



clandestina, P 462. 



fruinentum, 1 11. 



iiabricata, 24, in, 112. 



interrupta, in. 



phrygia, in, 112. 



minor, P 461. 



sagittata, in. 

 Persona 



coiistricta, 24, 231. 



ridens, 24, 338. 

 Petalooonchus 



cereus, W 316, W317. 



cochlidiura, W 314, W 315, W 



317- 



flavescens, W 314, W 317. 



macrophragma, 24, 43, 108, 114, 

 140, 239, 200, 255, 323, 

 O 351, 353, 364, P 306, 

 P 309, V 226, W 313, W 314, 



W3I7. 



