326 



COEAL-ISLAXDS. 



INDEX. 



Coral-islands, seeds drifted to, 

 ii. 145. 



reefs, indicating movements 



of earth, ii. 115. 



Corn-crake, i. 223. 



Correlated variation in domestic 

 productions, i. 13. 



Coryanthes, i. 241. 



Creation, single centres of, ii. 135. 



Crinum, ii. 6. 



Croll, Mr., on subaerial denuda- 

 tion, ii. 53, 56. 



, on the age of our oldest for- 

 mations, ii. 83. 



, on alternate Glacial periods 



in the North and South, ii. 160. 



Crosses, reciprocal, ii. 14. 



Crossing of domestic animals, im- 

 portance in altering breeds, i. 23. 



, advantages of, i. 119, 120. 



, unfavourable to selection, 



i. 125. 



Criiger, Dr., on Coryanthes, i. 211. 



Crustacea of New Zealand, ii. 164. 



Crustacean, blind, i. 171. 



air-breathers, i. 238. 



Crustaceans, their chela, i. 300. 



Cry ptocerus, L 359. 



Cten 'in vs. blind, i. 170. 



Cuckoo.* instinct of, i. 319, 330. 



Cunningham, Mr., on the flight of 

 the Logger-beaded duck, i. 167. 



Cam - f, ii. 19. 



Currents of sea. rate of, ii. 144. 



Cuvier, on conditions of existence, 

 i. 320. 



Cuvier. on fre-sil monkeys, ii. 79. 



, Fred., on instinct, L 320. 



Cyclostoma, renting salt water, 

 "ii. 187. 



Dana. Prof., on blind cave-animals, 

 i. 172. 



, on relations of crustaceans of 



■i. ii 158. 



, on crustaceans of New Zea- 

 land, ii. 161. 



Dawson, Dr., on eozoon, ii. 85. 



1> C rndolle, Aug. Pyr., on struggle 

 for existe: oe, i. 77. 



• , on umb llif MB, i. 181. 



, on general affinities, ii. 228. 



De Candolle, Alph., on the varia- 

 bility of oaks, i. 62. 

 , on low plants, widely dis- 

 persed, ii. 196. 

 , on widely-ranging plants 



being variable, i. 67. 



, on naturalisation, i. 139. 



, on winged seeds, i. 181. 



, on Alpine species suddenly 



becoming rare, i. 210. 

 , on distribution of plants with 



large seeds, ii. 145. 

 , on vegetation of Australia, 



ii. 167. 



, on fresh-water plants, ii. 174. 



, on insular plants, ii. 178. 



Degradation of rocks, ii. 52. 

 Denudation, rate of, ii. 54. 



of oldest rocks, ii. 85. 



of granitic areas, ii. 64. 



Development of ancient forms, 



ii. 116. 

 Devonian system, ii. 113. 

 Dianthus, fertility of crosses, ii. 



13. 

 Dimorphism in plants, i. 55 ; ii. 29. 

 Dirt on feet of birds, ii. 148. 

 Dispersal, means of, ii. 140. 



during Glacial period, ii. 151. 



Distribution, geograpical, ii. 129. 



, means of, ii. 140. 



Disuse, effect of, under Dature, 



i. 167. 

 Divergence of character, i. 134. 

 Diversification of means for same 



general purpose, i. 240. 

 Division, physiological, of labour, 



i. 139. 

 Dog, resemblance of jaw to that of 



the Tliylacinus, ii. 220. 

 Dogs, hairkss, with imperfect teeth, 



i. 14. 

 descended from several wild 



stocks, i. 22. 



, domestic instincts of, i. 327. 



, inherited civilisation of, i. 327. 



, fertility of breeds together, 



ii. 10. 



, of crosses, ii. 35. 



, proportions of body in diff. r- 



ent breed-, when young, ii. 247. 

 Domestication, variation under, i.7. 

 Double flowers, i. 358. 



