INDEX. 



393 



Fulmar petrel, the remarkable increase 

 of, 39. 



Gaston de Saporta, Count, on the origin 

 of tertiary Speclefl, 197, 198. 



Genealogical tree, IT. 



Genesis, the account of creation in, 131, 

 261, 265. 



Genus, difficult to define, 184, 204. 



Geology, incompleteness of record, 48, 

 160, >Q&. 



Ginseng, common to America and North- 

 ern Asia, 222. 



Glacial period, as accounting for the dis- 

 tribution of species, 114, 115, 224 ; effect 

 of, on mammoth and elephant, 103-106. 



Glvptostrobus of China, relation to Se- 

 quoia, 214, 225, 230. 



God, relation of, to Nature, 54, 5S, 144- 

 163, 199, 284, 25T, 275 ; to the universe, 

 59 ; his presence required in a long 

 process of adaptation as well as in a 

 short one, 60, 149 sq., 234, 256 ; imma- 

 nence in Nature, 61, 159; his thoughts 

 eternal, yet manifested in succession, 

 16T; veracity of, in the works of Na- 

 ture, 871. 



Gceppert on the antiquity of Taxodium 

 distichum and other plants, 228. 



Gradation, from tertiary species down- 

 ward, 84, 101, 114, 115, 200; extent of, 

 in fossils of consecutive formations, 48 ; 

 between the tertiary and the present, 

 49, 110, 112 ; principle of, in organic 

 Nature, 128, 129 ; between plants and 

 animals, 124, 289, 308, 309, 323 ; ungu- 

 lata, 243 ; towards individuality, 125 ; 

 coarser in systems of classification than 

 in Nature, 126, 142, 184, 289 ; in climb- 

 ing plants, 335 ; in insectivorous plants, 

 827 ; of, in the species of oak, 180, 203 ; 

 between the cretaceous and tertiary 

 formations, 197. 



Grady, Mr. B. F., on lure in Sarraee- 

 nia, 803, 805. 



Greenland, fossil plants of, 231. 



Grafting, effect on longevity of a species, 

 341 ff. 



Grisobach, Prof., on geographical distri- 

 bution of species, 229. 



Hayden, on fossil Sequoia in the Rocky 



Mountains, 228. 

 Henslow, Rev. George, on evolution and 



theology, 252, 256. 

 Heer, on origin of species, 192 ; on the 



antiquity of Taxodium and other spe- 

 cies, 227 sq. 

 Hobbes, theory of society, 87, 89. 

 Hodge, Dr. Charles, on evolution and 



theology, 258, 257-261 ; on Darwinism, 



269-288. 

 Horses, increase of, in South America, 



39, 117 : a former species existed in 



South America, 118. 



Herschel, Sir John, on the relation of 



God to Nature, 275. 

 Hilaire, Geoffroy St.-, opposition of, to 



teleology, 356. 

 Hooker, Dr. J. D., on Nepenthes and 



Sarracenia. 881. 

 Hume, on proof of design in Nature, 363. 

 Hybrids, 50; how to tost sterility, 51; 



sterility of, 175. 

 Hypothesis, domain of, 108, 119, 131, 132, 



250, 250, 260. 



Increase, rate of, in elephants, 89 ; among 

 cattle and horses in South America, 

 89, 117, 118 ; causes affecting, 40. 



Individuality, attained gradually, 125, 

 343 ; not fully attained by plants, 344. 



Inductive science, domain of, 14, 95; 

 limitation of, 47 ; process of, 23, 70 

 sq., 98, 101, 107, 108, 112, 201, 202, 244, 

 250 ; Darwin's method conformable 

 to, 37, 103, 111, 113, 114, 115, 119, 122, 

 244, 260; postulates the veracity of 

 Nature, 371. 



Inheritance, more mysterious than non- 

 inheritance, 29; the only known cause 

 of likeness in living species, 227. 



Insects, agency of, in fertilization, 287. 



Insectivorous plants, 289-308 ; and climb- 

 ing, 308, 387. 



Instinct of animals, 171 ; of the Talegal, 

 171. 



Intelligence of the higher animals, 172- 

 174. 



Intention, sea Design. 



Interbreeding, when close, diminishes 

 vigor and fertility, 32, 287. 



Ivy, Poison (Rhus Toxicodendron), 

 common to America and Japan, 221. 



Jackson's " Philosophy of Natural The- 

 ology," 363. 



Japan, relation of flora to that of North 

 America, 215 sq. ; Grisebach on, 226. 



Jussieu, A. L., definition of species, 163, 

 201. 



Kale, origin of, 111. 



Kingsley, Rev. Charles, on " Evolution 



and Theology," 299, 2*2. 

 Knight, Andrew, on effect of budding, 



341-343. 

 Kohlrabi, origin of, 111. 



Lamarck, his theory of transmutation, 

 28, 52, 171. 



Le Conte, Prof. Joseph, on religion and 

 science, 252, 262. 



Leibnitz charges Newton with subvert- 

 ing natural theology, 187, 258. 



Lesquereux, on fossil Sequoia, 229. 232 ; 

 on the relation of present flora to that 

 of the cretaceous age, 238. 



Libocedrus, distribution of, 230. 



