DNR EX. 
Neciary, on the effect of iodine upon 
the, 152. 
Nectouxia, observations on the genus, 
ey7/- 
Nepenthes, on the chemical composi- 
tion of the fluid in the ascidia of, 
128. 
Newport, G., on the identification of 
the parasitic genus of imsects An- 
thophorabia, 122; on the anatomy 
and development of certam Chal- 
cididee and lehneumonidee, 277,286. 
Nicandra, observations 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. 
Notodontide, 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, 
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, 75. 
4:59 
Pinus, new species of, 77. 
Placenta, on the species of, 151. 
Plagiochila, new species of, 104. 
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 sustamed by certain, 
206 ; localities for rare British, 29, 
203, 207, 449. 
Podopilumnus, description of the new 
genus, 1605. 
Polydiclis, observations on the genus, 
361. 
Pterygotus, new species of, 394. 
Pupa, new species of, 125. 
Reeve, L., on a new genus of acepha- 
lous mollusea, 371. 
Ribbon-tish, 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 wild 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. 
Sarcophysa, observations on the ge- 
nus, 190. 
Satyridz, 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 destroymg, 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, 229. 
