474 



INDEX. 



graphical distribution, miofration, 

 and occasional habitats of Whales 

 and Dolphins, 104 ; on the Whales 

 and Dolphins of the New-Zealand 

 seas, 107 ; on Tortoises, 143 ; on 

 the Boomdas, 154 ; on a new fresh- 

 water Tortoise fi-om Borneo, 15G ; 

 on Orca stenorhyncha, 159 ; on the 

 original form, development, and 

 cohesion of the bones of the ster- 

 num of Chelonians, 161 ; on the 

 Guemul of Patagonia, 214, .308 ; 

 on two new Sponges, 234 ; on new 

 genera and species of Chelonians, 

 289 ; on the dentition of Rhino- 

 ceroses, and on the characters 

 afforded by their skulls, 856; on 

 the dorsal shield of Tolypeutes, 

 397,469; on French measures, 400; 

 on Pigs and their skulls, with de- 

 scription of a new species, 431 ; 

 on M. Favre's paper on a new 

 classification of Ammonites, 451 ; 

 on the habits of Xenurus uni- 

 cinctus, 463 ; on " le Rat de Ma- 

 dagascar, "465; on Mammalia from 

 New Granada, 468 ; on an adult 

 skeleton of Tyrse nilotica, 470. 



(xray, Prof. A., on Sequoia and its 

 history, 52. 



Giinther, Dr. A., on two new species 

 of frogs, 349 ; on a new Saurian, 

 351 ; on a new snake from Mada- 

 gascar, 374 ; on some extinct tor- 

 toises from the islands of Rodriguez 

 and Mauritius, 397 ; on the genera 

 Ceratophrys and Megalophrys, 417. 



Hackel, Prof. E., on the Calcispongiae, 

 their position in the animal king- 

 dom, and their relation to the 

 theory of descendence, 241, 421. 



Hamamelis ■virginica, on the projec- 

 tile power of the capsules of, 160. 



Hector, Dr. J., on the whales and 

 dolphins of the New-Zealand seas, 

 104. 



Hedyopis, description of the new 

 genus, 188. 



Ilelminthosporium, new British 

 species of, 345. 



Heynemann, D. F., on the French 

 species of Geomalacus, 271. 



Houghton, Rev. W., on the Silurus 

 and Glanis of the ancient Greeks 

 and Romans, 199. 



Iloy, Dr. P. R., on the deep-water 

 fauna of Lake Michigan, 319. 



Huamela leucotis, observations on, 



213, 214, 308. 

 Hyalosaurus, description of the new 



genus, 351. 

 Hydractinia, on the transformation 



of an entire shell into chitinous 



structure by the polype, 1 ; new 



species of, 9. 

 Hydraspis, new species of, 304. 

 Hydromedusa, new species of, 301. 

 Hygrophorus, new species of, 341. 

 Ilymeuoptera, new species of fos- 



sorial, 441. 

 Hypera, new species of, 180. 

 Infusoria, on a new type of, 96. 

 Invertebrata, on the distribution of 



the, in relation to the theory ol 



evolution, 391. 

 Isthmiade, new species of, 121. 

 IthycA'phus, description of the new 



genus, 374. 

 Jeffreys, J. Gwyn, on the Mollusca 



of Europe compared with those of 



North America, 375. 

 Joly, N., on hypermetamorphosis in 



Palingenia virgo, 317. 

 Jones, T. R., on the genera Entomis 



and Entomidella, 413. 

 JuUien, J., on the respiration of the 



Psammodromi, 469. 

 Krefil, Dr. G., on fabulous Australian 



animals, 315. 

 Labaria hemisphserica, description of, 



235, 275. 

 Lankester, E. R., summary of zoo- 

 logical observations made by, at 



Naples in the winter of 1871-72, 



81 ; on the primitive cell-layers of 



the embiyo, and on the ongin of 



vascular and lymph systems, 321. 

 Leaf-arrangement, on, 386, 

 Ligidium agile, on the discovery of, 



in Great Britain, 419. 

 Limuli, anatomical investigations on 



the, 152. 

 Littorina, new species of, 159. 

 Loligo, on the development of, 81. 

 Lybfeba, description of the new 



genus, 186. 

 Lyginodendron, on the organization 



of, 227. 

 M'Andrew, R., obituary notice of, 



471. 

 M'Coy, Prof. F., on a new Australian 



species of Thyrsites, 338 ; on the 



appearance of Danais Archippus 



in Australia, 440. 



