328 



FLOWEB. 



INDEX. 



GMELTN. 



Flower, Prof., on the homology of the 



feet of certain marsupials, ii. 232. 

 Flowers, structure of, in relation to 

 Hi. 

 of cnmpositae and umbelli- 



ferae, i. 179, 270. 

 — , beauty of, i. 252. 

 -, double, i. 858. 



Flysch formation, destitute of or- 

 ganic remains, ii. 59. 



Forbes, Mr. D., on glacial action in 

 the Andes, ii. 160. 



, E., on colouis of shells, i. 



165. 



— , on abrupt range of shells in 



depth, i. 210. 

 — , on poorness of palseoutological 



collections, ii. 58. 

 — , on continuous succession of 



geneia, ii. 93. 

 — , on continental extensions, ii. 



140, 141. 

 — , on distribution during Glacial 



period, ii. 152. 



on parallelism in time and 



space, ii. 200. 

 Forests, changes in, in America, 



i. 91. 

 Formation, Devonian, ii. 113. 



, Cambriau, ii. 84. 



Formations, thickness of, in Britain, 



ii. 55. 



, intermittent, ii. 69. 



Formica, rufescens, i. 336. 



, sanguiuea, i. 338. 



, flava, neuter of, i. 360. 



Forms, lowly organised, long en- 

 during, i. 154. 

 Frena, ovigerous, of cirripedes, i. 



232. 

 Fre>h--water productions, dispersal 



of, ii. 171. 

 Fries, on species in large genera 



being closely allied to other 



species, i. 71. 

 Frigate-bird, i. 222. 

 Frogs on island.^, ii. 182. 

 Fruit-trees, gradual improvement 



of, i. 42. 



in United States, i. 104. 



, varieties of, aeclimatised in 



United States, i. 176. 

 Fuel, crossed, ii. 15, 23. 



Fur, thicker in cold climates, i. 166. 



Fmze, ii. 241. 



G. 



Galapagos Archipelago, birds of, 

 ii. 179. 



productions of, ii. 188, 190. 



Ga'axias its wide range, ii. 172. 



Galenpithecus, i. 217. 



Game, increase of, checked by ver- 

 min, i. 86. 



Gartner, on sterility of hybrids, ii. 

 3, 4, 11. 



, on reciprocal crosses, ii. 15. 



, on crossed maize and verbas- 



cum, li. 37. 



, on comparison of hybrids and 



mongrels, ii. 40, 41, 42. 



Gaudry, Prof., on intermediate ge- 

 nera of fossil mammals in Attica, 

 ii. 107. 



Geese, fertility when crossed, iL 

 9, 10. 



, upland, i. 222. 



Geikie, Mr., on subaerial denuda- 

 tion, ii. 53. 



Genealogy, important in classifica- 

 tion, ii. 212. 



Generations, alternate, ii. 239. 



Geoifroy St. Hilaire, on balance- 

 ment, i. 182. 



, on homologous organs, ii. 233. 



■ , Isidore, on variability of re- 

 peated parts, i. 184. 



or correlation, in monstroci- 



ties, i. 13. 



, on correlation, i. 179. 



, on variable parts being often 



monstrous, i. 190. 

 Geograpiiical distribution, ii. 129. 

 Geography, ancient, ii. 303. 

 Geology, future progress of, ii. 302. 

 , imperfection of the record, 



ii. 303. 

 Gervais, Prof., on Typotherium, iL 



108. 

 Giraffe, tail of, i. 245. 



, structure of, i. 276, 



Glacial period, ii. 151. 



, affecting the North and South, 



ii. 158. 

 Glands, mammary, i. 295. 

 Gmelin, on distribution, ii. 151. 



