INDEX. 



583 



Ophioglosscae, on tlic growtli of the, 167. 



Oibigny, Alcide d', on the I'oraniinilers 

 ot" the wliite chalk of the Paris basin, 

 390. 



Orchideous plants, on the ovaria of, 218. 



Orobanche, on the mode of attachment of, 

 218. 



Orthoraphium, characters of, 221. 



Oscillatoria;, observations on, 468. 



Ovis, on the species of the genus, 195, 

 248. 



Owen, Prof, on the remains of a bird, 

 tortoise, and Lacertian saurian from the 

 chalk, 67; on the microscopical struc- 

 ture of certain fossil teeth, 211; on tlie 

 structure of the teeth of Lepidosiren 

 annectens, 211 ; on Nautilus, 241 ; on 

 Lepidosiren, 358. 



Patterson, Mr. R., on the value of natural 

 history as a branch of education, 498. 



Paussidss, new species of, 532. 



Pea-beetie, 535. 



Pedicellina, description of the genus, 365. 



Pelonaia, a new genus of Ascidian Mol- 

 lusks, 345. 



Pentateuch, opinions of Bp. Chandler, 

 Bp. Berkeley, Dr. Hey, and Dr. Paley, 

 upon the natural philosophy of, 431. 



Phalloidse, on the fruit-bearing organs of 

 the, 465. 



PhilippineIslands,Mr.Cuming's researches 

 in, 226, 543, 5G0. 



Phlomis, new species of, 458. 



Pholcus, new species of, 477. 



Phosphorescence of marine animals, notice 

 on the, 350. 



Pinus, new species of, 459. 



Plagiolytrum, characters of, 221. 



Planorbis, new species of, 429. 



Plants, contributions to the morphology 

 of, 1 ; absorption of liquid solutions by 

 the sap-vessels of, 74; found in sul- 

 phureous waters, notice of, 105; on 

 impregnation in, 16S ; on a new genus 

 of, from Brazil, 222 ; list of, observed 

 in the Shetland Islands, 287 ; of Lycia 

 and Caria, 454; of Brazil, 531 ; new 

 species of, 457 ; on Infusoria in, 470. 



Plumularia, new species of, 285. 



Pogopetalum, characters of the new genus, 

 216. 



Poison-plant of the Indians, 407. 



Pollen, on the structure and function of, 

 176. 



Polyembryony in plants, 171. 



Polypes, descriptions of new genera and 

 species of, 81, 483; Mr. Hassall on, 

 277, 363. 



Polyporus, new species of, 453. 



Pycnoganidae, on a new genus and some 

 new species of, 345. 



Rafinesque-Schmaltz, notice of, 520. 



Reptiles, descriptions of some new genera 



and species of, from Western Australia, 

 86. 



Riccia glauca, on the organs of fructifica- 

 tion of, 166. 



Riley, J., on the hybridity of Ferns, 467. 



Rocks, furrowed or polished, 327, 515, 

 524. 



Ronia, a new^ genus of reptiles, 87. 



Royal Society of Edinburgh, proceedings 

 of, 345. 



Salamanders, formation of Confervae on, 

 405. 



Salticus, new species of, 476. 



Sarcochituni, a new genus of Zoophytes, 

 484. 



Saxifraga umbrosa, notes on, 47. 



Schleiden, Prof., on the flowers of the 

 Loranthacese, 171. 



Schomburgk, R., on the arrow-poison of 

 the Indians, and the plant from which 

 it is extracted, 407 ; on the migrations 

 of certain butterflies in British Guiana, 

 151. 



Scotland, ancient glaciers of, 331, 512. 



Seed, on the formation of, 167, 174, 399. 



Sertularia, new species of, 284. 



Sheep, Mr. Blyth on the species of, 195, 

 248. 



Shells, descriptions of new genera and 

 species of, 226, 335, 506, 546, 560. 



Shells, fossil, list of the, found in Essex, 

 427. 



Shetland Islands, list of the plants of the, 

 287. 



Shuckard, W. E., on the neuters of ants, 

 525. 



Silicon, on the production of, from para- 

 cyanogen, 345. 



Slate-rock, bored by Echinus lividus, 

 523. 



Smith, J., on a new genus of Euphor- 

 biaceae, 168. 



Smith, Rev. Dr. J. P., on the Relation be- 

 tween Geology and the Scriptures, re- 

 view of, 429. 



Snow, observations on red and green, 245. 



Sorex, on British species of, 263. 



Sowerby, G. B., on new species of the 

 family Helicidffi, 230, 337, 543, 560; 

 of Cardium, 506; on a new species of 

 Murex, 562. 



Spiders, descriptions of new, 473. 



Sponges, keratose, remarks ou the, 72 ; 

 on the structure of a, 129. 



Staphylinidae, observations on the Lin- 

 nasan species of, 149. 



Stenochoridse of New Holland, new species 

 of, 58. 



Stephens, H. O., on the Fungi of the 

 neighbourhood of Bristol, 17 ; on the 

 origin of some of the lower forms of 

 vegetation, 190. 



Stickleback, on the Irish species of, 95. 



