392 



INDEX. 



ContingeBcy, Darwiuian hypothesis 



based od, 52, 54, 76, 84, 86 ;* mingled 



with design, 274. 

 Continuity of Nature, 123, 190, 284, 258, 



273, 2S9, 328, 331, 379. 

 Creation, thi-ee views of, theistic, 158, 



357. 

 Cretaceous flora, relation of, to present 



flora, 233. 

 Cross-bi-eeding, essential to longevity 



and vigor of species, 33, 346, 354. 

 Curtis, Rev. Dr., M. A., his account of 



Dionaea, 293. 

 Cu\'ier, on the part animals have to play 



in nature, 356. 

 Cypress, the bald, relation of, to Sequoia, 



213, 225, 230. 



Darwn, Charles, standing as a naturalist, 

 133, 283 sq., 287, 297; how his view of 

 species differs from the ordinary views, 

 13,16; how from Agassiz's view, 16, 

 117, 129 ; summary of arguments, 36, 

 109-116; his distinctive work, 37, 61, 

 273, 308-309, 827, 337 ; wKere his argu- 

 ment weakest, 47. 169 ; where strong- 

 est, 121 ; his candor, 169, 286; harmo- 

 nizes teleology and morphology, 52 

 121, 234, 247, 288, 322, 337, 357, 375; 

 does not deny creative Intervention, 

 61, 93, 143, 149 ; does not sneer at the 

 doctrine of design, 139, 140 ; never de- 

 pended exclusively on natm-al selec- 

 tion, 104; view of instinct, 173; no 

 atheistical intent, 258, 268^270, 274; 

 experiments with Dionaea, 294, 321. 



Darwinism, still an hvpothesis, 58 sq.^ 

 119, 128, 135. 179, 274"; compatible with 

 atheism, but not inconsistent with 

 theism, 54, 130, 159, 258, 279, 379 ; more 

 compatible -with theism than the the- 

 ory of gravitation, 55, 235 ; relation to 

 teleology, 57, 84-86, 121, 145, 151-152, 

 176, 234, 247, 258, 271, 272, 283, 337, 

 357; premonitions of, 88, 94, 238; re- 

 lations to Lyell'a geological theories, 

 1G3, 109, 110 ; objections to, 168-177 ; 

 argument for, from the distribution of 

 the species of the oak, 190 ; as stated 

 by Wallace, 191 ; present attitude of 

 ^ naturalists to, 234, 236-251, 279 ; im- 

 plications of, regarding the indefinite 

 vitality of species, 848. 



Darwinian Teleology, accounts for abor- 

 tive and useless organs, 371 ; for the 

 apparent waste of Nature, 376, 377 ; for 

 imperfections and failm-es, 378. 



Dawson, on derivation of species, 236, 

 246. 



De Candolle, Alph., on the oak, 178; 

 definition of species, 201, 202 ; deriva- 

 tion of species, 186, 200, 236, 239; on 

 multiple origin of species, 191, 239. 



De Candolle, conception of the struggle 

 for existence, 37. 



Des Hayes, on gradation of species in 

 the tertiary period, 49, 110. 



Design versus Necessity, 62-86; distin- 

 guished from purpose, 358, 359 ; how 

 proved, 70-76, 84, 150-152, 16S, 301, 

 362, 865, 371 ; natural selection a 

 substitute for it, 69 ; can never be de- 

 monstrated, 70, 365 ; method of proof 

 illustrated by pump, 71 ; by boome- 

 rang, 72 ; by movement of bilhard balls, 

 62-64, 69-74,77; by the eye, 79-84; 

 by machinery, 85, 278 ; may act 

 through variation and natural selec- 

 tion, 148, 247, 272, 275, 288 ; evidence 

 of, complete in the individual, 151, 364, 

 366 ; all Nature a manifested design, 

 152, 153. 176, 274, 337, 379 ; manifest in 

 insectivorous plants, 300, 301, 314, 322 ; 

 in climbing plants. 335, 336 ; consistent 

 with three views of efficient cause, 158 

 ff, 272 ; not disproved by negative in- 

 stances, 369, 370, 380. 



Dionasa, account of, 291-295, 320 ; digests 

 animal food, 019, 321. 



Diseases, contagious, relation of, to nat- 

 ural selection, 241. 



Divergence, how produced by nafural 

 selection, 91. 



" Division of labor " m the organic world, 

 48.91. 



Dogs, of diverse origin, 27. 



Domestication, effect of, upon variation, 

 26, 29, 32, 184, 839, 340. 



D'Orbigny, on destruction of species, 120. 



Drosera, 291,295-301,310; sensitiveness 

 of, 312, 317. 



Dubuque, address of Professor Gray at, 

 205. 



Effect, as result of complex causes, 62-86. 



Elephant, possible rapidity of increase, 

 38 ; Falconer on, 193-196. 



Embryology, 118. " , 



Equilibrium of natural forces, 41, 42. 



Evolution and theology. 252-265. 



Evolutionary hypotheses should be the- 

 istic, 176, -199, 279, 381, 889, 390. 



Evolutionary teleology, article on, 359- 

 390. 



Extinction of species, not by cataclysms, 

 41. 



Eye, formation of, 59, 60; illustrating 

 "design, 79-84. 



Falconer, on the affinity of the mammoth 

 with the elephant, and the bearing 

 of the facts on Darwinism. 193-196. 



Fertilization of plants, contrivances for, 

 346, 375-377. 



Final causes, see Teleology. 



Flounder, see Pleuronecta. 



Flower, Prof., on the derivative hy- 

 pothesis, 236, 243. 



Fly-trap, see Dionaea. 



Forbes, Edward, on the dispersion of 

 species, 191. 



