INDEX. 



511 



Mimosa bark, accoiu . u*, 345. 



Mimosella, description of the new 

 genus, 359. 



Mitten, W., observations on Mosses, 

 51 ; on the Mosses and Hepaticae of 

 Sussex, 305, 362. 



Modulus, monograph of the genus, 

 498. 



Mollusca, notice of rare Irish, 428; 

 new species of Nudibranchiate, 290. 



Monarcha, new species of, 498. 



Monocerca, new species of, 100. 



Monostyla, new species of, 200. 



Morris, J., palaeontological notes by, 

 85. 



Mosses, remarks on, 51 ; of Sussex, 

 305, 362. 



Mossman, S., on some Australian pro- 

 ducts, 344. 



Miiller, C, on the preservation of pre- 

 parations for the microscope, 155. 



Miiller, Prof. J., report on the re- 

 searches of, into the anatomy and 

 development of the Echinoderms, 1 . 



Murchison, Sir R. I., on the suckling 

 of children by wolves, 153. 



Mya, on the branchial currents in, 370. 



Myrmecoptera, new species of, 51. 



Nanotragus, on the species of, 143. 



Navea, new species of, 384. 



Nectarinia, new species of, 497. 



Nemorhedus, on the species of, 218. 



Neotragus, on the species of, 137. 



Nesotragus, on the species of, 137. 



Odontocheila, new species of, 50. 



CEpyceros, on the species of, 134. 



Oithona, on the anatomy of the genus, 

 292. 



Olacacese, on the affinities of the, 

 161. 



Oreas, on the species of, 225. 



Oreotragus, on the species of, 137. 



Orthagoriscus mola, observations on, 

 346. 



Orthis, new species of, 395, 484. 



Orthisina, new species of, 400. 



Oryx, on the species of, 216. 



Owen, Prof., on metamorphosis and 

 metagenesis, 59. 



Palaeontological notes, 85. 



Parasitism, observations on, 425. 



Parthenogenesis, observations on, 16. 

 Peach, C. W., on some objects which 

 cause the luminosity of the sea, 499. 

 Pearls, on fossil, 89. 

 Pedicellariae, note on, 237. 



Pedicellina,new British species of, 360. 

 Pcdina, on some British species of, 



273. 

 Pentamerus, new species of, 390. 

 Philodromus, on the British species 



of, 37. 

 Pholadidae, on the arrangement of 



the, into natural groups, 380. 

 Pholas, on the branchial currents in, 



370. 

 Pholcus, on the British species of, 477- 

 Phos, monograph of the genus, 70. 

 Plants, localities for rare British, 232, 



234,346; new species of Australian, 



345. 

 Platymya, on the hinge of the fossil 



genus, 81 ; new species of, 84. 

 Pleurotrocha, new species of, 199. 

 Pompholyx, characters of the new 



genus, 203. 

 Portax, on the species of, 228. 

 Pottia, new British species of, 312. 

 Procapra, on the species of, 133. 

 Proudfoot, Mr., on Tragelaphus An- 



gasii, 496. 

 Prunus spinosa, observations on, 423. 

 Pseudocrania, characters of the new 



genus, 387. 

 Pterocyclos, new species of, 195, 



450. 

 Ralfs, J., on Dickieia, 204 ; on Spi- 



rulina, 205; on the genus Chan- 



transia, 302. 

 Rhizochilus, observations on the ge- 

 nus, 477- 

 Rotifer, new species of, 202. 

 Rotifera, catalogue of, found in Bri- 

 tain, with descriptions of new, 197. 

 Roval Institution, proceedings of the, 



59. 

 Royal Irish Academy, proceedings of 



the, 152. 

 Rupicapra, on the species of, 219. 

 Sacculus, new species of, 198. 

 Saiga, on the species of, 130. 

 Salicornia, on the various forms of, 



229. 

 Saurichnis, notice of the genus, 94. 

 Saxifraga hirta, 344. 

 Scarabus, monograph of, 66. 

 Schlagintweit, Dr. A., on the vegeta- 

 tion of the Alps, 146. 

 Schulze's, Dr., Contributions to the 



Natural History of the Turbellaria, 



reviewed, 490. 

 Scopophorus, on the species of, 136. 



