INDEX. 



487 



Palaeontology, observations on. 290; of 

 S. America, observatiors on the, 434, 



Papilio, new species of, 262. 



Parasites, on six new species of, 31 2. 



Parrot, description of a new species of, 

 219. 



PaiTT, Capt. F., on a new genus of Luca- 

 nidae, 362. 



Partridge, on the history and habits of 

 the, 254 ; assumption of the male 

 plumage by a female, 453. 



Pearce, J. C, on the locomotive and 

 non-locomotive powers of the family 

 Crinoidea, .ill ; on a new encrinite 

 from the Dudley limestone, 472. 



Pecten, descriptions of new species of, 

 217. 



Pepys, W. H., on the respiration of the 

 leaves of plants, 227. 



PfeifFer, Dr., descriptions of new species 

 of shells, 138, 289. 



Phalangium Opilio, on the anatomv of, 

 153. 243, 318. 



Pholadomya Candida, on the anatomy of, 

 138. 



Phorus, observations on the genus, 214. 



Phyllostoma, on a new species of, 43. 



Plants, occurrence of rare British, 68 ; on 

 the respiration of the leaves of, 227. 



Pleistocene deposits, near Copford, ob- 

 servations on some, 476. 



Pleurorhynchus, on a remarkable struc- 

 ture in, 389. 



PleurothalUs, new species of, 397. 



Pleurotonia, new species of, 372. 



Podaxinese, observations on the tribe, 111. 



Polygastrica, on the sacculi of the, 101, 

 178. 



Pulex, new species of, 315. 



Pyramidella, new species of, 371. 



Quail, history and habits of the. 254. 



Quatrefages, il., on the Eohdiua para- 

 doxum, 434. 



Ralfs, J., on the British Diatomaceae, 

 104, 270, 346; on the British species 

 of Meridion and Gomphonema, 457. 



Rav, J., letters from, to Sir Hans Sloane, 

 77, 150, 302. 



Recherches sur I'organisation &c. de 

 plusieurs genres d'Algues, reviewed, 

 123. 



Recluz, C. A., on some species of Na- 

 ^^cella, 141 ; descriptions of new spe- 

 cies of Nerites, 276. 



Reeve, L., on the genus Phorus, 214 ; on 

 some new species of Trochus and Tur- 

 bo, 286 ; on some new species of 

 shells, 370 ; on some new species of 

 Conus, 449. 



Repertorium Botanices Systematicae, no- 

 ticed, 51. 



Richardson, Dr. J., description of the 

 Lurking Machete, 175. 



Rodentia, description of a new genus of, 

 52. 



Rokewode, J. G., notice of the late, 210. 



Rosa sarmentacea, on a variety of, 212. 



Rostellaria, ou a new species of, 219. 



Royal Society, proceedings of the, 222. 



Rubefaction des Eaux par les Animalcules 

 et les Algues, noticed, 205. 



Rubi, on the arrangement of the British 

 fruticose, 68. 



Stenuris, description of the new genus,4 32 . 



Salix cuspidata, remarks on, 149. 



Santalum, on the ovulum of, 207. 



Saturnia, new species of, 344. 



Saussaye, Petit de la, ou some new spe- 

 cies of Auricula, 437 ; on a new genus 

 of shells, 430. 



Scarabus, new species of, 440. 



Schomburgk, Chevalier, narrative of his 

 travels in British Guiana, 190. 



Scientific travellers, information respect- 

 ing, 190, 352. 



Sciurus, descriptions of new species of, 

 44, 55. 



Seal, description of a new species of, 331. 



Selby's, P. J., History of British Forest 

 Trees, noticed, 50. 



Serolis, new species of, 346. 



Shells, new species of, 132, 138, 141, 214, 

 219, 276, 286, 289, 365, 370, 437, 439, 

 440, 442, 449, 479; on the crystallme 

 structure of, 377. 



Shrew, on a new species of, 436. 



Sloane, Sir Hans, letters from Ray to, 

 77, 150, 302. 



Smicrornis, description of the new genus, 

 61. 



Southby, A., on substances inclosed in 

 agate, 148. 



Sowerby, G. B., Jun., on some new 

 species of Strombus, 132; on some 

 species of Pecten, 217 ; on a new spe- 

 cies of Rostellaria, 219 ; on a new 

 fossil Cirripede from the upper chalk, 

 260. 



Sphaerocarpus, description of the new 

 genus, 185. 



Sphffiroma, new species of, 345. 



Spiders, on the capture of small birds by 

 certain species of, 81; discharged from 

 the eye, 454. 



Squirrels, new species of, 44, 55. 



Stark, Dr. J., on the development of the 

 animal tissues from cells, 228. 



Staurocarpus, description of the new ge- 

 nus, 183. 



StefFani, il., on the geographical distri- 

 bution of the genus Byrrhus, 431. 



Stehs, descriptions of new species of, 396. 



Stenorhynchus, description of a new spe- 

 cies of, 331. 



Sternocera, new species of, 266. 



Stigmodera, new species of, 344. 



