550 



WDfiX. 



Placocysta spinosa [Carter), Leidy, 150; 

 mentioned, 83, 126. 



var. setigera, Wailes *, 150 ; 



mentioned, 126, 161. 

 riaoostylus BoUousi, Stiter, 385. 

 Plagiopyxis, Penard, 131, 159. 



callida, Penard, 131 ; mentioned, 123, 



212. 

 labiata, Penard, 159 ; mentioned, 

 212. 

 riaukton. Summer, A Comparison of tliat 

 on the West Coast of Scotland with that 

 in the Irish Sea, 23-38. 

 Planorbis, Guettard, 242; mentioned, 243. 

 boissyi, Pot. et Mich., 242. 

 cornu, Ehrenb., mentioned, 242. 

 cosmius, Innes, mentioned, 243. 

 ecarinata, var., Jeffr., mentioned, 243. 

 ehrenbergi, Beck, mentioned, 242, 

 mareoticus (Lctourn.), Lines, 242. 

 p;Bteli {Pallari/), Jickeli, mentioned, 



ftnote 236. 

 spirorbis, O. F. Miill., mentioned, 243. 

 Phityavthrus simoni, Dollfas, mentioned, 



610. 

 Plectoptera, Sauss., mentioned, 65. 



antiqua, Slielford *, 68 ; mentioned, 

 68, 69. 

 Plectopterinae, 68. 



Pleriplaneta, 69 ; err. cf. Periplaneta. 

 Pleurosigma, W, Sm., sp., mentioned, 35. 

 Plutei of Echinoderms, mentioned, 35. 

 Podon intermedium, Lillj., mentioned, 35. 

 Polychset larvae, mentioned, 30, 35. 

 Polycheria antarctica, Delia Valle, 331. 

 Polymastia, Boio., mentioned, 271. 

 brevis, Bow., mentioned, 271. 

 mammillaris (O. F. Miill.), Bote, men- 

 tioned, 271. 

 Polymorphina gibba, d''Orb., mentioned, 

 273. 

 sororia, Reuss, mentioned, 273. 

 Polyommatotlirips, Buffa, 500. 

 silvestrii, Buffa, 501. 

 vigilans, Hood, 503. 

 Polyphaga, Bridle, mentioned, 62. 



fossilis, Shelford, 62, 68. 

 Pompholyxopluys punicea, Archer, men- 

 tioned, 128. 

 Pontigulasia compressa {Carter), Cash, 

 mentioned, 124, 212. 



Pontigulasia vas [Leidy), Schout., men- 

 tioned, 124, 127, 128. 

 Porania pulvilliis (O. F. MilU.), luen- 



tioned, 172. 

 Porcellio, Latr., mentioned, 435, 438. 



Ipevis, Latr., 291 ; mentioned, 287, 



288, 293. 

 scaber, Latr., 290 ; mentioned, 287, 

 288, 293. 

 Porcellionides pruinosus {Brandt), Steb- 

 biny, 291 ; mentioned, 287, 288, 293, 

 509. 

 Preston, H. B., Description of new Species 

 of Non-Marine MoUusca from the South- 

 ern Sudan, 265. 

 Prionotus, Lacep., fin rays of, mentioned, 



299. 

 Pristhesancus papuensis, Stdl, mentioned, 



309,311. 

 Pristina eqaiseta. Bourne, 99. 

 Proboscis of Scbizoneura, 313, 315. 

 Prosobrancliiata, 237. 



Protopedata {O.F. Miill.), mentioned, 172. 

 Protozoan nuclei, mentioned, 153. 

 Psammoryctes barbatus {Grube), Vejdovsky, 



100 ; mentioned, 95. 

 Pseudocalanus, Boeck, mentioned, 29. 



elongatus, Boeck, mentioned, 27, 29, 

 35. 

 Pseudochlamys, Clap. <S" Lachm., 131. 

 acideata, Greeff, 214. 

 patella. Clap. S^- Lachm., mentioned, 

 123, 212. 

 Pseudoderopeltis, Krauss, mentioned, 67. 

 Pseudodifflugia Archeri, Penard, men- 

 tioned, 126, 201. 

 fascicularis, Penard, 209 ; mentioned, 



213. 

 fulva, Archer, mentioned, 126, 201. 

 gracilis, Schlumb., mentioned, 126, 201, 

 202, 209, 213. 

 Pseudomutela, Simpson, 259. 



plicata. Martens, 269 ; mentioned, 

 235. 

 Pseudophyllodromia, Brunn, mentioned, 

 62-64. 

 succinica, Shelford*, 62; mentioned, 

 68, 69. 

 Pteraster militaris (0. F. Miill.), men- 

 tioned, 269. 

 Pulmonata, 241 ; from Madagascar, 380. 



