INDEX. 



253 



Pecten (continued). 



septcmradiatus, 166. 



similis, 168. 



squama, Scacchi. 1(38. 



striatus, 168, 169. 



sulcatus, 167. 

 Testes, 167. 



tigrinus, 167. 



varius, 166. 



vitreus, Chemnitz, 168. 

 Pectunculus glycymeris, 175. 



minutus, Philippi, 175. 



pygmmus, Philippi, 175. 

 Pedipcs, Adanson, 105. 

 PELLIBRANCHIATA, 28. 

 Pelta, Quatrefages, 16. 

 Pelta or Limapontia?, sp., A. & H.. 15, 

 Peplidia, 22. 

 Peracle, Forbes, 115. 

 Peronia, De Blainville, 95. 

 Phasianella intermedia, Philippi,204. 



pulla, 204. 



tenuis, Miehaud, 204. 

 Pherusa, Jeffreys, 210. 

 Philine, 223. 



catena, 224. 



granulosa, Sars, 224. 



pruinosa, 224. 



punctata, 224. 



quadrata, 224. 



scabra, '22A. 

 Phlebenterata, Quatrefages, 28. 

 Pholadidea papyracea, 193. 

 Pholas callosa, Lamarck, 193. 



Candida, 193. 



crispata, 193. 



dactylics, 193. 



parva, 193. 



vibonensis, Philippi, 193. 

 Phyllididce, Forbes &Hanley, 17. 

 P%sa, 115, 159. 



fontinalis, 152. 



hypnorum, 152. 

 Phytia, Gray, 104. 

 Piliscus commodus, 201. 

 Pinna, 170. 



pectinata, L., 171. 



left's, L., 170. 

 Pisidium amnicum, 150. 



fontinale, 150. 



nitidum, 150. 



pusillum, 150. 

 Planaria limacina, Fabricius, 29. 

 Planorbis albus,\av.Draparnaldi, 152. 



Planorbis (continued). 



arcticus, Moller, 152. 



carinatus, 152. 



complanatus, 152. 



Crosseanus, Bourguignat, 152. 



gelatinus, Muller, 152. 



glaber, 152. 



hirsutus, Gould. 152. 



hispidus, Schroter & Draparnaud, 

 152. 



imbricatus, Muller, 152. 



lineatus, 152. 



nautileus, 152. 



nitidus, 152. 



riparius, Westerlund, 152. 



sibiricus, Dunker, 152. 

 Pleurobranchia, Gray, 10. 

 Pleurobranchid.e, F. & H., 9. 

 Pleurobranchus, Cuvier, 9. 



aurantiacus, Bisso, 14. 



calyptrcsoides, Forbes, 14. 



elongatus, Cantraine, 14. 



Forskalii, Delle Chiaje, 11. 



liniacoides, Forbes, 14. 



mammillatus, Schultz, 11. 



membranaceus, Montagu, 1 o. 



perforatus, Philippi, 14. 



Peronii, 9. 



plumula, Montagu, 11, 13, 14. 



scutattcs, Forbes, 14. 



sordidus, Forbes, 14. 



stellatus, Risso, 14. 



testudinarius, Cantraine, 11. 



tuber adatits, Delle Chiaje. 11. 

 PleurophyllidcB, Bergh, 17. 

 Pleuropiiyllidi a, Meckel, 17. 



Loveni, Bergh, 17. 

 Pleurophyllidiid.e, H. & A. Adams, 



16. 

 Pleuropus, Eschscholtz, 118. 

 Pleurotoma acuta, Bellardi, 222. 



attenuata, 220. 



brachystoma, 229. 



C, Costa, 220. 



carinata, Bivona, 220, 221. 



cornea, De Blainville, 220. 



costata, 220. 



galerita, 221. 



galeritum, Philippi, 221. 



hystrix, Bellardi, 220. 



Icevigata, 220. 



Lavia, Maravigna, 220. 



nebida, var. elongata, 220. 



nivalis, 220, 222. 



