INDEX. 



503 



Owen, Prof., on the ruminant qua- 

 drupeds and the aboriginal cattle 

 of Britain, 61 ; on a fossil cranium 

 of the Musk-buifalo from the gravel 

 at Maidenhead, 188. 



Palaeontology, on the method of, 43. 



Panopaea Aldrovandi, observations on, 

 415. 



Papilio, new species of, 486. 



Peach, C. W., on a curious metamor- 

 phosis in a polype-like animal, 99. 



Petromyzon, on the development of, 

 298. 



Phillips's, J., Manual of Geology, re- 

 viewed, 159. 



Plants from Nepal, on some, 404, 

 442. 



Platycercus, new species of, 175. 



Polydonta elegans, on an abnormal 

 operculum of, 468. 



Polythalamia, observations on, 426. 



Polyzoa, descriptions of new, 32. 



Prion, new species of, 56. 



Prionidae, descriptions of new, 476. 



Propasser, new species of, 344. 



Psalidocoptus, new species of, 479. 



Psalidognathus, remarks on the ge- 

 nus, 477. 



Pupa, new species of, 435. 



Pyriglena, new species of, 59, 60. 



Quadrupeds, ruminant, on the, 61. 



Rainey, G., on the structure and de- 

 velopment of Cysticercus cellulosae, 

 486. 



Reticularia immersa, observations on, 

 469. 



Retina, on the structure of, in certain 

 animals, 492. 



Rotifera, on the dioecious character of 

 the, 333. 



Royal Institution, proceedings of the. 



Royal Society, proceedings of the, 

 333, 486. 



Salix Andersoniana, on an abnor- 

 mality in the flowers of, 254. 



Scherzer and Wagner, MM., on the 

 vegetation of Central America, 7^^- 



Sehismope, on the new genus, 36, 188. 



Schizorrhina, new species of, 483. 



Schultze; Dr. M., on the development 

 of Arenicola piscatorum. 105. 



Scissurella, on the genus, 36, 188. 



Sclater, P. L., on new species of Ant- 

 Thrushes, 57 ; on new species of 

 birds from Santa Fe di Bogota, 60 ; 



on new species of birds, 186, 260, 

 418 ; on the genus Legriocinclus, 

 341 ; on a new species of Buarre- 

 mon, 350. 



Sertularia, new British species of, 356. 



Shells, new, 25, 94, 156, 249, 433. 



Silica, on the non-existence of polar- 

 izing, in the organic kingdoms, 78. 



Skenea, on a new British species of, 

 156. 



Slug, on the external characters and 

 internal anatomy of a bitentaculate, 

 found at Aneiteum, 38. 



Sowerby's Ferns of Great Britain and 

 Fern- Allies, reviewed, 54. 



Sphaerium, new British species of, 25. 



Sphaeroplea, on the development and 

 propagation of, 81. 



Steno, new species of, 157. 



Stethodesma, new species of, 482. 



Stewart, T. H., on the young state of 

 Ophiocoma rosula, 387. 



Thomson, W., on the burrowing habits 

 of Nika eduhs, 493. 



Thylacinus cynocephalus, on some 

 points relating to the anatomy of, 1 7 7 . 



Todirostrum, new species of, 187- 



Torrens, H., on native impressions 

 regarding the natural history of 

 certain Indian animals, 171. 



Tortoises, new species of freshwater, 

 263. 



Townsend, F., on Callitriche hamu- 

 lata, 429. 



Tragocephala, new species of, 480. 



Trictenotoma, description of the ge- 

 nus, 476, 



Tridornis, new species of, 418. 



Trigonophorus, new species of, 482, 



Trochilidae, description of a new 

 genus of, 270. 



Tubularia, new species of, 439. 



Umbilicariae, monograph of the Bri- 

 tish, 273. 



Vegetable embryogeny, on recent dis- 

 coveries in, 217. 



climatology, observations on. 



338. 



individual, on the, 363. 



Vorticlava, new British species of, 



353. 

 Wagner, M., on the vegetation of 



Central America, 76. 

 Wallace, A. R., on the habits of the 



Orang-utan, 26; on the natural 



arrangement of birds, 193. 



