184 



INDEX. 



teach Natural Science, 35 ; its use 

 of ordinary language, 36 ; its his- 



. torical account of the Flood, 38 ; 

 explanation thereof, 41 ; disregard 

 of secondary causes in, 83 ; cha- 

 racter of genealogies in, 99 ; mis- 

 taken quotation of, 124 ; invidious 

 connection of, with false -science, 

 151 ; supposed opposition between 

 it and Darwinism, 157. 



Species, permanence of, 9 ; some 

 benefited by change of habitat, 

 2 1 ; variations of, how advanta- 

 geous, 27 ; difficulty of collecting 

 all for the Ark, 43 ; distribution 



of, 45- 



Spencer, Mr. Herbert, his caution 

 about embryonic forms, 19, note; 

 his accurate phrase, ' Survival of 

 the fittest,' 154; his * Principles 

 of Biology,' 161. 



Sponges, not to be hurriedj 117 ; 

 range of in geology, 136 ; final 

 cause of, 138. 



Stalagmite, thickness of in Kent's ca- 

 vern, no; time required for form- 

 ing, 113; dates carved upon, 115. 



Stratification, uniform order of, 116, 

 122. 



Struggle for life, 1 1 ; great fecundity 

 useful to a species in, 24. 



Sylvia Sutoria, the tailor-bird, its 

 nest, 29. 



Tails, rudimentary, in man, 22, 155. 



Tennyson, language of 'the Brook' 

 in, 125. 



Theories, when to be accepted, 1 8. 



Thought, time required for, 64 ; 

 movement of, depending on lan- 

 guage, 87. 



Time, immense duration of, required 

 by the Theory of Natural Selec- 

 tion, 30, 67 ; lapse of, 93-125 ; 

 (see Earth, age of); inexhaustible, 

 98, 125. 



Tiniere, delta of, 107. 



Tyndal, Professor, on ' The Minute- 

 ness of Waves of Light,' 97. 



Usher, archbishop, Bible-chronology 

 of, 99, 1 10. 



Variability, 7 ; objection to, consi- 

 dered, 128. 



Vertebrate, the first, how originated, 

 158 ; type of, supposed to be con- 

 nected with cuttle-fish, 161 ; defi- 

 nition of, investigated, 161. 



Vivian, Mr., exploration of Kent's 

 cavern by, 109. 



Wallace, Mr., his originality recog- 

 nized, 5 ; his opinion of the limits 

 of Natural Selection, 62 ; his ex- 

 posure of fallacious views about 

 Instinct, 67 ; his theory of birds' 

 nests, 69 ; his comparison of birds 

 with men as builders, 70 ; his spe- 

 culation about the brain of the 

 savage, 78. 



War, in the animal and vegetable 

 kingdoms, 12 ; combination of 

 baboons for, 69 ; comparison of 

 man and other animals engaged 

 in, 86. 



Wasps, their defensive weapon, 25 ; 

 materials used by, 86. 



Whewell, Dr., his remark on Scien- 

 tific Phraseology, 160. 



Writing, invention of, 103. 



