1 N D E X. 



459 



Nectary, on the effect of iodine upon 

 the, 152. 



Nectouxia, observations on the genus, 



,137. 



Nepenthes, on the chemical composi- 

 tion of the fluid in the ascidia of, 

 128. 



New^rt, G., on the identification of 

 the parasitic genus of insects An- 

 thophorabia, 122; on the anatomy 

 and development of certain Chal- 

 cididae and Ichneumonidae, 277,286. 



Nicandra, obser\'ations on the genus, 

 139. 



Nilsson, Prof., on the extinct and ex- 

 isting bovine animals of Scandina- 

 via, 256, 349, 415. 



Nomada, on the synonymy of the ge- 

 nus, 436. 



Notodontidse, description of a new ge- 

 nus of, 217. 



Notopocorystes, description of the new 

 genus, 169. 



Nyctale, new species of, 75. 



Odontites, new British species of, 28. 



Ogygia, new species of, 408. 



Oliva, new species of, 231. 



Orchis Morio, on the development of 

 the ovule in, 279. 



Ornithological notes, 18. 



Ovulum, new species of, 373. 



Owen, Prof., on the anatomy of the 

 male aurochs, 288; on the ideal 

 vertebra, 443. 



Owls, descriptions of new- species of, 

 225. 



Oxen, Wild, of Great Britain, notices 

 respecting the, 423. 



Padley, G., on entozoa found in the 

 lungs of a sheep, 102. 



Pagurus, new species of, 171- 



Parapholas, new species of, 230. 



Penitella, new species of, 230. 



Petricola, new species of, 229. 



Pfeiffer, Dr. L., on new species of 

 Vitrina, 69 ; on new species of He- 

 lix and Streptaxis, 78 ; on new spe- 

 cies of Helicina, 219. 



Pholadopsis, new species of, 230. 



Phrodus, observations on the genus, 

 33. 



Physalia, observations on, 207- 



Physalis, observations on the genus, 



35. 

 Phytomyza, new species of, 392. 

 Pike, W. A., on the mode of progres- 

 sion with animals, 7o. 



Pinus, new species of, 77- 



Placenta, on the species of, 151 . 



Plagiochila, new species of, 1 04 . 



Plants, remarks on the origin of, and 

 the physical and geographical dis- 

 tribution of species, 202; on the 

 injuries from the attacks of para- 

 sitic fungi sustained by certain, 

 206 ; localities for rare British, 29, 

 203, 207, 449. 



Podopilumnus, description of the new 

 genus, 165. 



Polydiclis, observations on the genus, 

 361. : 



Pteiygotus, new species of, 394. ' 



Pupa, new species of, 125. 



Reeve, L., on a new genus of acepha- 

 lous mollusca, 371. 



Ribbon-fish, account of a species of, 

 taken off the coast of Northumber- 

 land, 1. 



Ring-dove, on the habits of the, 25. 



Rissoa, new British species of, 299. 



Rye, discovery of the Avild state of. 

 452. 



Salamander, new species of, 76. 



Sandie, Dr. J. G., on entozoa found 

 in the lungs of a sheep, 102. 



Sandpiper, on the habits of the, 25. 



Sarcophvsa, observations on the' ge- 

 nus, 190. ' : 



Satvridae, on a new genus and species 

 of, 215. 



Saxicola rubetra, on the habits of, 20, 



Scapania, new species of, 106. 



Schleiden's, Dr. M. J., Principles of 

 Scientific Botany, reviewed, 442. 



Sciurus, new species of, 376. 



Scolytus destructor, on the best me- 

 thod of destroying, 451. 



Scott, R., on the growth of Bambusa 

 arundinacea, 120. 



Shells, new, 56, 69, 78, 125, 146, 151, 

 193, 219, 229, 299, 300, 371, 373, 

 374, 424. 



Shrike, gray, on the habits of the, 

 18. 



Siphonotreta, note on the genus, 315. 



Skenea, new species of, 424. 



Smith, F., on a species of Monodon- 

 tomerus, 281 ; on the synonymy of 

 the genus Nomada, 436. 



Snakes, description of three new ge- 

 nera and species of, 246. 



Solandra, observations on the genus, 

 248. 



Solecardia. new species of. 22.9. 



