INDEX. 



527 



the development and homologies 

 of the carapace and plastron of the 

 chelonian reptiles, 422. 



Palaeopora, characters of the new ge- 

 nus, 129. 



Palmelleae, new species of, 243. 



Parmelia erosa, observations on, 26. 



Patterson's, R., First Steps to Zoo- 

 logy, noticed, 396. 



Pease, W. H., on the geology and 

 natural history of Mexico, 427. 



Pentremites, new species of, 249. 



Perischodomus, description of the new 

 genus, 253. 



Peryphus, new British species of, 214. 



Petraia, new species of, 1. 



Phyllopora, characters of the new ge- 

 nus, 389. 



Piassaba, a fibrous matter from South 

 America, notice of, 153. 



Pina cloth, on the preparation of pine- 

 apple fibres in Singapore for the 

 manufacture of, 314. 



Plants, British, notices respecting rare, 

 62, 152, 241 ; on the existence of 

 an ovum or ovule as well in the 

 male as in the female of animals 

 and, 154; on varieties of some, 

 424. 



Platycrinus, new species of, 246. 



Plumbaginaceae, on the British species 

 of, 433. 



Podica, description of a new species 

 of, 311. 



Podisoma fuscum, observations on the 

 fructification of, 520. 



Polycoelia, characters of the genus, 

 388. 



Polycotyledonous embryos, observa- 

 tions on, 312. 



Post-office regulations, notice respect- 

 ing, 237. 



Poteriocrinus, new species of, 245. 



Pouchet, M. F., on the development 

 and organization of Infusoria, 233. 



Pselaphidae and Scydmsenidae, re- 

 marks on the British, 38. 



Pterogonium, new species of, 291. 



Pteromalus, new species of, 205. 



Ralfs, J., on the mode of growth in 

 Oscillatoria and allied genera, 39, 

 348. 



Reeve, L., on some new species of 

 Turbo, 227. 



Reid, Prof., on the Vogmarus Islan- 

 dicus, 456. 



Reinhardt, J. T., on a bag-shaped 

 glandular apparatus on a Brazilian 

 bat, 386. 



Retzia, observations on the genus, 

 181. 



Rivularia, observations on a species 

 of, 21. 



Robin, Dr. Ch., on the existence of an 

 ovum or ovule as well in the male 

 as in the female of plants and ani- 

 mals, 154. 



Roccella tinctoria and fuciformis, ob- 

 servations on, 25. 



Rossia Owenii, Ball, notice respect- 

 ing, 239. 



Rotifera, on the structure of the, 518. 



Royal Physical Society of Edinburgh, 

 proceedings of the, 63. 



Royal Society, proceedings of the, 

 422, 518. 



Salwey, Rev. T., on the cryptogamie 

 flora of Guenisey, 22. 



Sanderson, J, S., on the irritability of 

 the style of various species of Gold- 

 fussia, 425. 



Saracha, observations on the genus, 

 with descriptions of new species, 443. 



Sarcinula, new species of, 124. 



Sarcoptilus, description of the genus, 



Sargassum, new species of, 106, 216, 

 254, 503. 



Schaum, Dr. H., on the British Geo- 

 dephaga, 32; on Pselaphidae and 

 Scydmsenidae, 38. 



Scrophulariacese, on some genera al- 

 lied to, 162. 



SheUs, new, 227. 



Siphonodendron, characters of the ge- 

 nus, 127. 



Solanacese, on several genera hitherto 

 placed in, 162. 



Solitaire, historical evidences of the, 

 138. 



Southbya, description of the new ge- 

 nus, 501. 



Sponges, on the excavating powers of 

 certain, 321. 



Spruce, Richard, on the Musci and 

 Hepaticaj of the Pyrenees, 81, 269, 

 358, 478. 



Statice, on the British species of, 438. 



Stratton, T., on the prevention of 

 bugs, 78. 



Strephodes, characters of the new ge- 

 nus, 4. 



