INDEX. 



395 



Redwood, of California, may be disap- 

 pearing, 212, see Sequoia. 



Religion, as affected by Darwinism, 54, 

 175, 176; and Science, by Joseph Le 

 Conte, 261 . 



Representative species, definition of, 220, 

 226. 



Resemblance of progeny to parent, 

 cause of, inscrutable, 29. 



Revelation does not determine the mode 

 of creation, 181, 260, Ml. 



Reversion to aboriginal stock, 889, 341 ; 

 takes place in pigeons, 81 ; reason of, 

 81 ; not proved in general, 81, 889. 



Roth, observations of, on Drosera, 296, 

 29T. 



Rudimentary organs. 371. 



Rutabaga, origin of, ill. 



Sachs, his view of the motion of climb- 

 ing plants, 386. 



Saporta, Count Gaston de, on origin of 

 tertiary species, 197, 198. 



Sarracenia, insectivorous habits of, 301, 

 802, 828. 



Science does not concern itself with pri- 

 mary cause, 145, 259, 263, 268. 



Scientific spirit, the, 95, 255, 259. 



Selection, artificial 30; may preserve a 

 variety which could not remain in a 

 natural state, 339 ; methodical, 31 ; 

 unconscious, 30; natural, 34, 89, 90; 

 probably hinders. 135, 196, 387; De 

 Candolle"s estimate of, 192; Heer's 

 view of, 192; Falconer on, 198-196; 

 confounded with variation, 195, 389 ; 

 relation of, to contagious diseases, 241 ; 

 to vaccination, 241 ; compared to the 

 rudder of a ship, 386. 



Sequoia and its history, 205-235; age 

 of, 207, 213; its isolation, 208, 230; 

 antiquity of, 229, 238 ; relations to the 

 bald cypress, 218, 226; to Glyptostro- 

 bus, 214, 225; to tertiary species, 214, 

 228 ; in the arctic zone, 229 ; to creta- 

 ceous species, 233. 



Sexual reproduction, meaning of 847. 



Sisley, Mr., on individuality and longev- 

 ity of species, 344. 



South America, former existence of the 

 horse in, 117. 



Species, ordinary view of, 11. 16, 118, 

 129, 163, 199, 200, 201 ; Agassiz's view 

 of, 13-16, 117, 163, 164, 168, 191, 199; 

 Darwin's view of. 18-16, 117 : Dana's 

 view of, 11 ; De Candolle's view of,- 

 191, 201, 202; Jussieu's definition of, 

 163, 201 ; Grisebach's definition of, 226; 

 Linnaeus's definition of, 12, 163, 201; 

 average numbers of individuals in, 39, 

 40 ; arranged in clusters, 97, 118 ; com- 

 munity of origin, how inferred, 12, 85, 

 111, 112, 113, 122, 132, 164, 183, 201, 

 238, 255,264; distribution of, 98, 118, 

 191, 192, 200; in the tertiary period, 



114; in time, US, 283, 248; transmu- 

 tation of, how to be proved, 23 ; local- 

 ization of. 113, 114, IIS. 200; connec- 

 tion of, illustrated by a genealogical 

 tree, 17 sq. ; physical connection of, 

 not inconsistent with intellectual, 22, 

 53,54,95,181, 146, 147, 166, 166, 16T, 



176, 234, 275, 278, 279. 857, M0, 385, 

 8S9 ; do they wear out? 347 ; difficulty 

 of defining, 90, 97, 111, 122, 126, 184, 

 244; stability and persistency of, 175, 

 185, 198, 838 sq., 34S ; mode of origin 

 necessarily hypothetical, 129, 130, 131, 

 1S6 ; of the oak, 179 sq , 208. 



Spencer. Herbert, philosophy of, 250. 

 Spitzbergen, fossil Sequoia of, 22S, 229. 

 Spontaneous generation, rejected by 



Darwin, 93. 

 St. Clair, George, on Darwinism and 



Design, 269. 280. 

 Sterility of hybrids, how far proved, 50 ; 



test of theories regarding, 52. 

 Struggle for existence, 37, 38, 41, 89, 



382 ; conceived by De Candolle, 37. 

 Sundew, see Drosera. 



Taxodium (see Cypress). 



Teleology, Paley on, 52, 57 ; of Darwin- 

 ism, 57, 84-86, 322, 374; reconciled 

 with morphology, 121, 210, 288, 357 ; 

 denial of ordinary doctrine of, not 

 atheism, 138-140, 154, 258; not dis- 

 turbed by Darwinism. 145, 149, 151- 

 153. 176, 247, 322, 337, 360, 371, 375 ; 

 evolutionary, article on, 356-390 ; old 

 doctrine of," needs reconstruction, 870, 

 874, 3S0 ; old doctrine of. does not ac- 

 count for abortive and useless organs, 

 870 ; nor for the wastefulness of Na- 

 ture. 372 ; nor for imperfections and 

 failures, 378. 



Tertiary period, gradation of species in, 

 84, 49, 101, 110, 200 ; distribution of 

 species in, 112-115, 228-282 ; no hiatus 

 between the cretaceous and, 197, 19S, 

 233. 



Theism, as affected bv Darwinism, 54, 

 131, 176, 284, 235, 248, 252-265, 307, 

 837, 879 ; by other physical theories, 

 54-56 ; by nebular hypothesis, 187 ; 

 Darwinism compatible with, 67, 144 sq., 

 151-157, 199. 249. 288, 379 ; three views 

 of Nature compatible with, 15S-168, 



177. 275, 277. 

 Th£oIo«i»MTSrrnterest of, in evolutionary 



""hypothesis, 252 ; attitude toward. 253, 



254, 261 ; deal largely in probabilities, 



260. 

 Time, geological evidence of, 98-100, 162. 

 Transmutation, theories of. no novelty, 



28 ; Lamarck's theory of, 28 ; of tho 



" Vestiges of Creation," 24. 

 Treat. Mrs., of New Jersey, observations 



on sundew, 298 • on TJtricularia, 824. 

 Truth, search for, laudable, 95. 



