2 4 



SECRETS OP EARTH AND SEA 



Cats, male, with blue eyes are deaf, 



1 20 

 Cause of survival in the struggle for 



life, 118, 119 

 Cave of Altamira, 28, 47 



of Brassempouy, 51 



of Combarelles, 32 



of Font de Gaume, 29, 31 



of Laugerie basse, 46 



of Lortet, I 



of Marsoulas (Haute Garonne), 



44 



of Mas d'Azil, 44 



of Niaux (Ariege), 44 



of St. Michel d'Arudy, 45 



Caves, pictures on walls of, 7 



Census of species of animals, 129 



Chick, Dr. Harriette, secretary, and 

 Dr. Hopkins, F.R.S., chair- 

 man, of a committee investi- 

 gating accessory food-factors, 

 234 



Chinese "great monad," 210 



Circle, how to divide it so as to 

 describe a Totnoye, 214 



Citrus medico, limonum, the lemon, 



236 



acida, the West Indian sour-lime, 

 236 



Coal, 217-222 



mines, annual output of, 221 



Coal-tar, 224 



Coffer-fish, 130 



Cold, action of extreme, in preventing 

 chemical combination, 177 



Copan, circular altar-stone from, 

 divided by an S-shaped trough 

 so as to resemble the Tomoye, 

 213 



Correlated characters or structures, 

 119, 125 



Crab, common shore, variations in, 

 118 



Crag, the Red, of Suffolk, 38 

 the Norwich, 38 



Crayfish, species of, 120 



Cromagnard race, 8, 9 



Cross-breeding of races, 140-156 



Crystal Palace, the, sixty years ago, 

 84 



Decorative design, 200-208 

 Deer, the picture of the Three, 13 



Dewar, Sir James, his important 

 experiments on action of cold 

 and of light on phosphorescent 

 bacteria, 188 



Diplodocus, a gigantic reptile, 85, 91 



Discoveries falsely announced, and 

 others misrepresented or un- 

 noticed by newspapers, 173, 

 176 



Dolphins (oceanic colour - changing 

 fish), 130 



Equus the horse genus, the history of, 



103 

 Exuberances of non - significant 



growth, 127, 130 



Fat boys of journalism, 173 

 Fertilization, resistance to hybrid, 



136, 137, 138 



Fish drawn between horse's legs, 23 

 Fishes, examples of strangely-shaped, 



UO 



Fleas, species of, 105 

 Flowers of tan survive desiccation, 



179 



Food, the accessory factors in, 233 

 Fylfot, the, 191 



Gammadion, the, 191 



Geometrical properties of the Tomoye, 



216 

 Germ variation, a constant process, 



112 



Gigantic reptiles, 85, 87 

 Gigantosaurus, discovery of, in Africa, 



87 

 upper-arm bone of, compared with 



that of an elephant and of man, 



89 

 Gills of crayfishes, 121 



a new one discovered by a lady 



student at Oxford, 123 

 Glacial period, 6 

 Goose engraved on reindeer antler, 



49. 

 Grammatizing v. naturalizing in 



decorative art, 202, 203 

 Grouse, the red and allied species, 



116, 117 



Harpoons of Azilian and Magdalenian 

 period, 3 



