INDEX. 



487 



Mitra, new species of, 48 ; on the 

 teeth of the genus, 129. 



Mole, on the eye of the, 45. 



MoUusca, pneumonobranchiate, on 

 the teeth of the, 329 ; rare Irish, 

 366 ; new genera of land, 412 ; on 

 the mode of reproduction and de- 

 velopment in various groups of, 4/6. 



Monilea, new species of, 211. 



Monodonta, new sjjecies of, 204. 



Monops, new species of, 122. 



Monoptvgma, monograph of the ge- 

 nus, 281. 



Montagnites, new species of, 422. 



Moore, T., on two new Swan River 

 Papihonaceae, 33 ; on venation as a 

 generic character in ferns, with ob- 

 servations on the genera Hewardia 

 and Cionidium, 3/ ; Handbook of 

 British Ferns, reviewed, 442. 



Miiller, M. H., on the structure of 

 the retina in man, 478. 



Murchisonia, new species of, 191. 



Murray, A., on the genus Cercyon, 

 with a short monographical synopsis 

 of the British Sphaeridiidae, 73. 



Mysis, new British species of, 156. 



Natica sordida, occurrence of, 367. 



Naticse, descriptions of new, 287. 



Nautilus, new species of, 195. 



Nematura, note on the genus, 284, 



Newport, G., on Ichneumon Atropos, 

 40 ; on the ocelli in the genus An- 



■' thophorabia, 44 ; on the dipterous 



''parasites which attack the earwig 

 and emperor moth, 473. 



Nicholson, Dr., on an undescribed 

 species of tailor-bird, 214 ; on a 

 new species of Artamus, 294. 



Nightingale, on the breeding of the, 

 in capti^at)', 148. 



Niphargus stjgius, discover}- of, in 

 England, 44. 



Nuttall, T., on a new species of Rho- 

 dodendron, 10. 



Oliver, D., on Melampyrum monta- 

 num, 219. 



Ornithology of Ceylon, notes on the, 

 97, 165, 262. 



Orthoceras, new sj)ecies of, 1 96. 



Otina, new species of, 283. 



Owen, Prof., on the transverse pro- 

 cesses of the two-toothed dolphin, 

 4.35. 



Palmella prodigiosa, observations on, 

 409. 



Palms, on the structure of the leaves 



of, 27 ', remarks on the growth of 



some, 63. 

 Panus, new species of, 427. 

 Papilionacese, on two new, 33. 

 Parias, new species of, 392. 

 Paxillus, new species of, 423. 

 Pelosoma, on the British species of, 



87. 

 Pfeiffer, Dr. L., on some new land 



shells, 1 39 ; on new species of Cy- 



clostomaceae, 452. 

 Pfeifferia, description of the new ge- 

 nus, 412. 

 Philippi, R. A., on new Naticae, 287- 

 Pholades, on the mmle of action of 



the, in the perforation of stones, 



70. 

 Phorcus, new species of, 144. 

 Phosphorescence of marine inverte- 



brata, on the, 20, 180. 

 Photina, new species of, 213. 

 Pinna, new species of, 188. 

 Plants, phanerogamous, on a new 



arrangement of, 11. 

 Plestrodon, new species of, 388. 

 Pleurotomaria, new species of, 191. 

 Polydonta, new species of, 143. 

 Polyporus, new species of, 430. 

 Pontella, new species of, 117- 

 Psammorphis, new species of, 390. 

 Puffinus obscurus, notice respecting 



the occurrence of, 471. 

 Puncturella, monograph of the genus, 



2S6. 

 Pupa, new species of, 94. 

 P)Tamidella, new species of, 283. 

 Pyramis, new species of, 142. 

 Quatrefages, A. De, on the phospho- 

 rescence of some marine inverte-' 



brata, 15, 180. 

 Ralph, T. S., on the vegetation around 



WeUington, New Zealand, 474. 

 Reeve, L., on a new species of Buli- 



mus, 149. 

 Reptiles, on some undescribed species 



of, 386. 

 Respiration, on the mechanism of 



aquatic, 243, 333, 393. 

 Retina, on the structure of the, 47B. 

 Rhododendom, new species of, 10. 

 Rimida, monograph of the recent 



species of, 284. 

 Rissoa rubra, remarks on, IO7. 

 Rose, monstrosity of a, 290. 

 Rotella, on the animal of, 179. 

 Royal Institution of Gi-eat Britain, 

 proceedings of the, 136. 



