474 



INDEX. 



graphical distribution, mi<n'ation, 

 and occasional habitats ofWhalea 

 and Dolphins, 104; on the Whales 

 and Dolphins of the New-Zealand 

 seas, 107 ; on Tortoises, 143 ; on 

 the IBoouidas, 154 ; on a new fresh- 

 water Tortoise from Borneo, 156 ; 

 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 ; 

 (m 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, 356; 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. Farre'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 fi'om 

 Xew Granada, 468 ; on an adult 

 skeleton of Tyrse nilotica, 470. 



Gray, 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 Megaloplirys, 417. 



Hackel, Prof.E., on the Calcispongise, 

 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. 



Helminthosporium, 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. 



Hoy, 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. 

 Hymenoptera, new species of fos- 



sorial, 441. 

 Hypera, new species of, 180. 

 Infusoria, on a new tjY>e of, 96. 

 Invertebrata, on the distribution of 



the, in relation to the theory ot 



evolution, 391. 

 Isthmiade, new species of, 121. 

 Ithycyphus, description of the new 



genus, 374. 

 Jeffi'eys, J. Gw;\'n, 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, 4l3. 

 Jullien, J., on the respiration of the 



Psaramodromi, 469. 

 Krefft, Dr. G., on fabulous Australian 



animals, 315. 

 Labaria hemisphserica, description of, 



235, 275. 

 Lankester, E. R., summar\- of zoo- 

 logical observations made by, at 



Naples in the winter of 1871-72, 



81 ; on the primitive cell-layers of 



the embryo, and on the origin 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., obituarj' notice of, 



471. 

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



species of Thyi-sites, 338 ; on the 



appearance of Danais Archippus 



in Australia, 440. 



