U2 



Index. 



Page 



Pcecilurichthys Peruanus (Val.), . 416 



pulcher Gill, . 419, 420, 421 

 scabripinnix (Jenyns), . .416 



taniatus " . . 416 



toeniurus Gill, .... 418 



unilineatus " .... 420 



Wappi (Val.) 416 



Poey Felipe, Observations on dif- 

 ferent points of the Nat. 

 Hist, of Cuba, . . . .133 



Polianite, 47, 62, 52 



Polioptila atriceps Lawr., . . .169 



melanara " ... 168 



FoLYCENTRIN.E Gill, 371 



Polycentrus 371 



Schomburghn Mull. Trosch., 373 



tricolor Gill, 373 



Polycrase, 47, 53, 64, 49 



Polygyra avara Say, 292 



Dorfcuilliana Lea, 288, 



289, 294 



fatigiata Say, 283 



plicata "... 289, 291 



Troostiana Lea, .... 288 



Polymignite, 53 



Prehnite, 54 



Prime, T., Descriptions of three 



new species of Pisidium, 64 



On the identity of Cyclas 



elegans C. B. Ad., with 



C. rhomboidea Say, . . 66 



Procellaria Capensis Linn., ... 6 



hiesitata Kuhl., .... 5 



Proserpinacea, 149, 150 



Proserpina, 75, 149 



bidentata C. B. Ad., ... 76 



depressa Orb., 76 



globulosa " 76 



linguifera Jonas, . . . . 76 



nitida Sowb., 76 



opalina C. B. Ad., 77, 78, 



149, 151 



pisum C. B. Ad 76 



pulchra C. B. Ad., ... 76 



Pyrocephalus coronatus Gmel., . 12 



Pyrolusite, 47 



Pyroxene 41 



Pterygoplichthys Gill, .... 408 



Ptelogonyn armillatus, Gray, . .271 



Townscndi Aud., . . . .271 



Puffinus, 5 



cinereus Gmel., .... 5 



major Fab., 6 



Pupa bicolor Mutt., 147 



Largillicrti Phil. 148 



marginalba Pfr., .... 71 



pellueida " .... 71 



Riisei " .... 71 



Pa;o 

 Pupa servilis Goxdd, . . . . 71, 74 

 Purpura 76 



Quail (Texan), 1 



Quartz, " . . 41 



Quiscalus macrourus Swain., . . 12 



Redfield, J. EL, Descriptions of 



new species of Helicidre, 14 

 Descriptions of new species 



of Shells, 130 



Descriptions of two new 

 species of North Ameri- 

 can Helicidae, .... 170 

 Rissa septentrionalis Lawrence, . 266 



tridactylua, 266 



Rotella Lam., 35 



Salmonides, 367 



Sardine, 417, 418, 419 



Freshwater, 367 



Scwvola Chamissoniana, . . 251, 252 



Schizodon, 416 



Sci,enim:, 371, 373 



scomberoides, 366 



Scorodite, 54 



Selene argentea Lacep., . . 30, 418 



Senarmontite, 56, 55 



Serpen, 423 



Shaggy Hermit 260 



Shuttleworth, R. J., Catalogue of 

 the Terrestrial and Flu- 

 viatile Shells of St. 

 Thomas, W. I., .... 68 



Bida, 207, 208 



SlLUROIDJS, 387 



Siluroides, .... 364, 367, 368 



Silurus cous L., 390 



Silver Fish, 422 



Sparus Desfontain.es Lac. . . . 379 



Surinamensis Bloch, 379, 380 



Spiraxis ejuncida Sliuttl., 70, 74, 75 



gracillima Pfr., .... 70 



Staurotide, 47, 50, 51 



Stenogyra Goodalli Mull,, . . . 70 



octona Chem 70 



octonoides C. B. Ad., . . 70 

 subula Pfr., .... 70 

 Swiftiana " .... 70 



Steplianite, 60, 61 



Stereorarius catarractes Linn., . 7 

 Sterna " . 1 



Fikei Law., 3 



Sternbergite, 60, 63 



Stevardin.k Gill 422 



Stevardia Gill, . . 423, 426 



albipiunia " 425, 426, 



427, 429, 370 



