502 



INDEX. 



Luminosity of the sea, on the objects 

 which cause the, 425. 



Lycett, J., on fossil shells from the 

 middle division of the inferior oolite 

 in Gloucestershire, 401 ; on Tan- 

 credia, a fossil genus of Lamelli- 

 branchiate Conchifera, 407- 



M'Coy, Prof. F., on some new genera 

 and species of Silurian Radiata,270, 

 474 ; on three new Devonian zoo- 

 phytes, 377- 



Maclagan, J. M'G., on Colchicum au- 

 tumnale, 65. 



M'Nab, Mr., on the effects of light- 

 ning on trees, 142. 



MalacobdellcE, on the organization of 

 the, 147. 



Mammalia, ungulate, on the evidences 

 of affinity afforded by the skull in 

 the, 477- 



Manch-agora, observations on, 35. 



Mantell, G. A., on the structure of 

 the Belemnite and Belemnoteuthis, 

 127 ; on the Pelorosaurus, 128. 



Medusfe, observations on, 66. 



Mogathyris cistelkila, notice respect- 

 ing the occurrence of, 464. 



Meteorological observations, 71, 151, 

 231,311,399,4.97. 



Miers, J., on Scopolia, Anisodus and 

 Mandragora, 35 ; on the genus 

 Habrothamnus, 180. 



Mitchell, D. W., on a hybrid crowned 

 pigeon, 307. 



Modiolarca, new species of, 424. 



Moggridge, M., on the Syngnathi, 

 396. 



MoUusca, on the transformation of, 

 144. 



Monodonta, new species of, 416. 



Monodontomerus, on the habits of, 

 395. 



Mytilus, new species of, 421. 



Natica, new species of, 416, 417, 

 420. 



Nautilus, on the animal of, 268. 



Nebulipora, characters of the new ge- 

 nus, 282. 



Neriene, new British species of, 339. 



Nerita, new species of, 416. 



Newport, G., on the reciprocal rela- 

 tion of the vital and physical forces, 

 370 ; on the habits of Monodonto- 

 merus, and on a new Acarus, 395. 



Nocticula, remarks on the genus, 230. 



Opis, new species of, 421. 



Otina, observations on the genu.^, 



448. 



Ovis Gmelini, on a female specimen 

 of, 57. 



Owen, R., on the development and 

 homologies of the molar teeth of 

 the Wart- Hogs, 125 ; on the com- 

 munications between the tympa- 

 num and palate in the Crocodilian 

 reptiles, 129. 



Palaeopora, new species of, 285, 476. 



Palj)aria, characters of the genus, 135. 



Panopaja, new species of, 423. 



Parrots, on the lorine genus of, 223. 



Patella, new species of, 415. 



Patterson's, R., Zoology for Schools, 

 reviewed, 124. 



Peach, C. W., on the luminosity of the 

 sea, 425. 



Pecten, new species of, 420. 



Pelargoniums, monstrous flowers of, 

 144. 



Pelorosaurus, remarks on the, 128. 



Petraia, new species of, 279. 



Pfeiffer, Dr. L., on new species of 

 Helicea, 291 ; on new species of 

 Vitrina and Succinea, 297 ; on some 

 new species of Tornatellina, Cylin- 

 di'clla and Clausilia, 386. 



Phacochcprus, on the development 

 and homologies of the molar teeth 

 in the genus, 125. 



Phalangista, new species of, 139. 



Phasianella, new species of, 417. 



Philodromus, new British species of, 

 3.38. 



Pholadidae, on a new genus of, 299 ; 

 observations on the, 313. 



Pholas, new species of, 301 ; on the 

 anatomy of the British species of, 

 314. 



Pholas calva, on a remarkable speci- 

 men of, 301. 



PhysophoridtB and Diphyidse, unity 

 of composition in the, 394. 



Phvtobius hydro])hilus, on the habits 

 of the, 116. 



Pigeon, on a hybrid crowned, 307. 



Pinna, new species of, 421. 



Placopsis. characters of the new ge- 

 nus, 346. 



Placuna, new species of, 420. 



Placunonomia, new species of, 218. 



Plants, effects produced by some in- 

 sects upon, 182 ; on some British, 

 472. 



