INDEX. 



471 



the Glutton in the Forest-bed of 

 ^Norfolk, 240. 

 Nicholson, Dr. H. A., on the minute 



structure of the recent Hetero- 



pora neozelanica, and on the rela- 

 tions of Heteropora to Montacu- 



lipora, 329, 414. 

 Noreia, new species of, 225. 

 Norman, Rev. A. M., on the French 



exploration in the Bay of Biscay, 



430. 

 Nucula, new species of, 320. 

 Gnchneeoma, new species of, 464. 

 Ophites, new species of, 462. 

 Orson oba, new species of, 125. 

 Owen, Prof., on Platypodosaurus 



robustus, 168. 

 Oxydia, new species of, 121. 

 Packard, A. S., Jun., on the struc- 

 ture of the brain of Limulus poly- 



phemus, 29. 

 Pagrasa, new species of, 224. 

 Palinurus, new species of, 14. 

 Panrethia, new species of, 227. 

 Panoplcea, description of the new 



genus, 2. 

 Pantolia, new species of, 399. 

 Parasa. new species of, 63. 

 Paratunais, new species of, 2. 

 Pascoe, F. P., on new Neotropical 



Curculionidas, 176. 

 Pedicellaria, on a remarkable form 



of, 101. 

 Pemphigus bursarius, on the biology 



of, 404. 

 Pentastomum polyzonum and the 



allied species, on, 173. 

 Peridiuetus, new species of, 180. 

 Perognathus bicolor, note on, 118. 

 Perrier, E., on the starfishes of the 



Gulf of Mexico, 326. 

 Phalera, new species of, 66. 

 Phascolosoma, new species of, 463. 

 Phcenix, characters of the new 



genus, 122. 

 Phylactella, new species of, 79, 280. 

 Pimelodus, new species of, 10. 

 Piramutana, new species of, 10. 

 Plants, on new fossil, 241. 

 Platypodosaurus robustus, note on, 



.168. 

 Flatysomidoe, on the, 97. 

 Plecostomus, new species of, 11. 

 Pleurodeles Waltlii, on the ovipo- 



sition of, 244. 

 Pleurotoma, new species of, 286. 

 Plutodes, new species of, 223. 



Polygordius, on the affinities of the 

 genus, 324. 



Polyzoa, contributions towards a 

 general history of the marine, 69, 

 376; from Barents Sea, on the, 277. 



Porella, new species of, 78, 382. 



Prestwich, Prof. J., on anew species 

 of Iguanodon, 169. 



Prismosticta, characters of the new 

 genus, 67. 



Prosopistoma, on the metamor- 

 phosis of, 252. 



Protospongia, on the structure and 

 affinities of the genus, 238. 



Psephophorus polygonus, note on, 

 239. 



Pterygodermatites Macdonaldii, on 

 the anatomy of, 409 ; observa- 

 tions on, 412. 



Reptiles, new genera and species of, 

 234, 462. 



Rhabdophora, on the geological dis- 

 tribution of the, 16, 185. 



Rhampholeon, new species of, 238. 



Rhaphidopsis, new species of, 461. 



Rossia Owenii, on the occurrence of, 

 on the coast of North Wales, 398. 



Rumia, new species of, 123. 



Saccosoma, characters of the new 

 genus, 463. 



Samus, characters of the new genus, 

 59. 



Sauvis, new species of, 227. 



Scalaria, new species of,«15. 



Scopelodes, new species of, 63. 



Scully, J., on a new species of Arvi- 

 cola, 399. 



Seeley, Prof. H. G., on Psephopho- 

 rus polygonus, 239; on a new 

 species of Ichthyosaurus, 241 ; on 

 the cranial characters of a large 

 Teleosaur, ib. 



Segmentation, on the rhythmical 

 character of the process of, 408. 



Sepacontias, description of the new 

 genus, 235. 



Sertularella, new species of, 277. 



Sbarpe, R. B., on two new species of 

 Kingfishers, 231. 



Shells, new, 159, 286, 319, 397, 425. 



Sipho, new species of, 287. 



Siphonoporella, description of the 

 new genus, 90. 



Sladen, W. P., on a remarkable form 

 of Pedicellaria, and on the allied 

 forms of this organ in the Echini- 

 das, 101. 



