I N D EX. 



5SS 



Duthiers, M. T. tic L., on the nervous 

 system of Dental^iim entalis, 236. 



Dysithamnus, new species of, 465. 



Earth-worm, new species of, 13. 



Echinoderraata, new species of, 43,46. 



Egerton, Sir P. de M., on the unity 

 of the genera Pleuracanthus, Di- 

 plodus and Xenacanthus, and on 

 the specific distinction of Xenacan- 

 thus Decheni, 423. 



Elephant, on the placenta of the, 147 ; 

 fossil remains of, on some, 396. 



Elsey, M., on the birds of Northern 

 Australia, 61. 



Entomostraca, new British species of, 

 401. 



Equisetacese, on the process of fecun- 

 dation in, 353. 



Euphonia, new species of, 319. 



Eupyrgus, new species of, 46. 



Fairholme, Mr., on the Australian 

 Dugong, 80. 



Falconer, Dr., on the species of Mas- 

 todon and Elephant occurring fossil 

 in Great Britain, 231. 



Fauna of the Aru Islands, on the, 473. 



Feathers of water-fowl, on the repul- 

 sion of water from the, 148. 



Fecundation, on the process of, in 

 the vegetable kingdom, and its re- 

 lation to that in the animal king- 

 dom, 241, 344, 439. 



Ferns, on the process of fecundation 

 in, 349. 



Filippi, Dr. P. de, on the larvae of 

 the Trematode worms, 129. 



Foraminifera from the Feejee Islands, 

 on, 193 ; on the presence of motile 

 organs, and the power of locomo- 

 tion in, 365. 

 Formicarius, new species of, 376. 



Formicivora, new species of, 37 7j 463. 

 Fowls, on new varieties of domestic, 



227. 

 Fungi, on the process of fecundation 

 in, 242; on the fructification of 

 certain Sphaeriaceous, 301. 

 Gegenbaur, Prof. C, on Trachelius 



ovum, 201. 

 Geological Society, proceedings of 



the, 231. 

 Geoplana, new species of, 3. 

 Gladiolus imbricatus, on the occur- 

 rence of, in Hampshire, 158. 

 Glandular structures in plants, on cer- 

 tain, 303. 



Gorgoniadre, new genera of, 461, 519. 



Gosse, P. H., on the presence of 

 motile organs, and the power of 

 locomotion in Foraminifera, 365. 



Gould, A. A., on the true Nautilus 

 umbilicatus of Lister, 57- 



Gould, C, on a Crustacean from the 

 Lias Bone-bed, 234. 



Gould, J., on some new species of 

 birds, 380 ; on the habits and man- 

 ners of the species of Trochilus,520; 

 on a new species of Ceriornis, 521. 



Grallaria, new species of, 462. 



Grape disease, note on the, 529. 



Gray, Dr. J. E., on the genus Nec- 

 turus, 313 ; on the species of the 

 genus Manatus, 313; on the animal 

 of the genus Antipathes, 460 ; on 

 new genera of Gorgoniadae, 461, 

 519 ; on a new species of Antelope, 

 466. 



Gum-tragacanth, on the formation of, 

 161. 



Halcyon, new species of, 380. 



Halicore australis, on the habits of, 80. 



Hancock, A., on the organization of 

 the Brachiopoda, 141. 



Harpalus, new species of, 372. 



Hartlaub's (Dr.G.) Ornithologie West 

 Afrika's, reviewed, 136. 



Harvest mouse, on the occurrence of 

 the, in Cornwall, 77- 



Heart, on the cause of the rhythmic 

 motion of the, 530. 



Hectocotylus-f ormation in the Cepha- 

 lopoda, on, 81. 



Herpsilochmus, new species of, 464. 



Heteroglossa, characters of the new 

 genus, 279. 



Higgins, Rev. H. H., on the Sphaero- 

 bolus stellatus, 529. 



Huxley, Prof. T. H., on the present 

 state of knowledge as to the struc- 

 ture and functions of nerve, 71 ; on 

 a Crustacean from the coal-mea- 

 sures, 235. 



Hydatina senta, on the structure of, 

 288. 



Hypocnemis, new species of, 377, 4 63. 



Infusoria of Bombay, on the fresh- 

 water, 34. 



Isodonta, on the presence of the fossil 

 genus, in the English Jurassic 

 rocks, 367. 



Isomalus, new species of, 504. 



Kingma's (P. H.) Observations on 



