INDEX. 



459 



Musset, M., on the spontaneous 

 movements of the leaves of Colo- 

 casia esculenta, 384. 



Mycalesis, new species of, 401. 



Nannocharax, description of the nev*r 

 genus, 112. 



Naudiu, C, on cases of monstrosities 

 becoming the starting-point of new 

 races in plants, 141. 



Nematocentris nigra, on the syno- 

 nymy of, 65. 



Neochanna, description of the new 

 genus, 305. 



Neptis, new species of, 400. 



Notograptus, description of the new 

 genus, 63. 



Notulae Lichenologicae, 106, 256,439, 



Nylander, Dr., on new British Li- 

 chens, 256. 



Olivia, new species of, 213. 



Otolithus, new species of, 60. 



Ovihos moschatus, on the affinities 

 of, 130. 



O-xeoschistus, characters of the new 

 genus, 208. 



Pachyrhynchus, description of the 

 new genus, 226. 



Palfeocvclas, observations on the ge- 

 nus, '127. 



Patella vulgaris, on the anatomy of, 

 334. 



Pedalioides, characters of the new 

 genus, 267. 



Penianthus, observations on the ge- 

 nus, 171. 



Perez, J., on Rhabdites terricola, 454. 



Phalanger, on a new genus of, 287. 



Philipeaux, J. M., on the regeneration 

 of the limbs in the Axolotl, 14L*. 



Philodromus, new species of, 208. 



Phyrites, characters of the new, genus, 

 40. 



Phvsalia, observations on some forms 

 of, 310. 



Pieris, new species of, 399. 



Pigeaux, Dr., on the actual state of 

 our information relative to the 

 ' Leporide,' 75. 



Plants, on cases of monstrosities be- 

 coming the starting-point of new 

 races in, 141. 



Plecostomus, new species of, 79. 



Polynemus, new species of, 69. 



Ponton, T. G., on Pyrula carica and 

 P. perversa, 28. 



Pronophila, revision of the group of 



Lepidopterous insects hitherto in- 

 cluded in the genus, 266. 



Pseudorhombus, new species of, 79. 



Ptilotis, new species of, 269, 442. 



Pycnarrhena, observations on the ge- 

 nus, 11, 



Pyrula carica and P. perversa, obser- 

 vations on, 2S. 



Quinio, observations on the genus, 

 265. 



Reptiles, Austrahan, on, 45. 



Rhabditis terricola, investigations on, 

 454. 



Rhaptonema, observations on the ge- 

 nus, 261. 



Rheithrosciurus, description of the 

 new genus, 271. 



Rhodona, new species of, 46, 



Rhynchoedura, description of the new 

 genus, 50. 



Rhynchonella psittacea, on the oc- 

 currence of, at Unst, 248. 



Rhynchophorous Coleoptera, on the 

 systematic value of the, 291, 



Rocks, on the laws of the distribu- 

 tion of, 405. 



Rouget, C, on the phenomena of 

 muscular contraction in the Vorti- 

 cellse, 145. 



Royal Society, proceedings of the, 

 127, 294. 



Salticus, new species of, 204. 



Satjrridaj, on a new genus of, 404. 



Saurians, on two new, from West 

 Africa, 225. 



Scapateira, new species of, 225. 



Schiodte, Prof. J. C, on the tunnel- 

 ling Coleopterous genera Bledius, 

 Heterocerus, and Dyschirius, 30. 



Schnetzler, S. B., on the aeriferous 

 vesicles of the Utricularige, 389. 



Sciurus, new species of, 273, 419. 



Sclater, Dr. P. L., on the species of 

 the genus Tribonyx, 122. 



Scopelus, new species of, 79. 



Seeley,H.G.,onthePottonSands,23; 

 on the theory of the skeleton, 141 ; 

 on Cervus megaceros, 152; on the 

 laws of the distribution of life and 

 of rocks, 405. 



Selwynia, observations on the genus, 

 172. 



Sepiola, on the development of, 449. 



Signoret, M., on the development of 

 the brown Aphis of the maple, 149. 



Sinoxylon, new species of, 93. 



