414 



SCIENCE FROM AN EASY CHAIR 



Astronomy, Halley's discoveries in 



connection with, 226 

 Newton's discovery of law of 



gravitation as affecting, 230 

 photography as affecting study of, 



222 

 spectroscope as affecting study of, 



224, 225 

 Atavism, feeble-mindedness resulting 



from, suggestion as to, 274 

 Athletes, experiments as to possible 



use of pure oxygen by, 260- 



263 

 Auzout, M., astronomical predictions 



attempted by, 229, 230 



Bacon, Lord, quotation from, I, 

 Bacteria, destructive invasion made 



by, 340 



microscopic observation of, im- 

 provement in, 239 



Balfour, Rt. Hon. Arthur, speech at 

 Manchester by, 6, 7 (quota- 

 tion) 

 Bananas, cultivated varieties of, 369 



plantains and, identity of, 368 

 Bayeux tapestry, 231 

 Becquerel, M., experiments of, 183 

 Beetles, book-worm, depredations 



of, 350-351 

 death-watch, tapping made by, 



351, 352 



wood-boring, 351, 352 

 wood-boring, 349-350 

 ladybird, beneficial activity of, 



319, 325, 326 

 origin of name, 325 

 perforation of soft metal by grubs 



of, 353 



Bell-animalcules, 197 

 Birth-rate, increased, amongst 



poorer classes, 285, 286 

 Blood, lack of red colour in, cause 



of, 148, 149 

 red-coloured, cause and special 



duty of, 148 



Bonaparte, Prince Roland, French 

 representative at Darwin 

 Centenary Celebration, 39 

 Book-worm beetle, 350 

 Boulenger, Charles, Egyptian fresh- 

 water jelly-fish described by, 

 64 



3oys, C. V., fine quartz threads 

 spun by, 294, 295 



"addis-worms, movable cases made 



by grubs of, 343 

 Calandruccio, discovery of young of 



the eel by, 71-72 



Cambridge Darwin Centenary Cele- 

 bration, Address by Sir Ray 

 Lankester at, 33-37 

 held at, 1 8, 33, 38 

 notable representatives at, 33, 



38, 39 

 Cave-men, ancient, artistic skill of, 



8o,8l 

 horse mastered and muzzled by, 



80, 8 1 

 Caves, care taken in excavation of, 



3.88 



discoveries of human remains in 

 deposits of, 371, 374, 383, 

 393, 395, 402, 407-409 

 discovery of bones of ancient men 



in, rarity of, 372-374 

 French and English, evidences of 

 human occupation found in, 

 78-79 

 Cells, definition and origin of term, 



170-173, 3 2 8 

 egg-cell, process of fertilisation, 



202-204, 330, 332 

 important part played by nucleus 

 in life of, 198-200, 328, 

 329. 



individual character and co- 

 ordinated activity of, 170, 

 180-182, 184, 328 

 process of division, 200-202, 328 

 " Cell-theory," explanation of Pro- 

 fessor Schwann's, 174-176 

 Chapelle-aux - Saints, discovery at, 

 important, 371, 374, 390, 

 402 



Children, feeble - minded, number 

 attending schools provided 

 for, 278 

 result of neglect to provide 



supervision for, 279-281 

 China, introduction of opium smok- 

 ing into, 366, 367 



Chinese primrose, similarity between 

 poisonous properties of 

 Rhus toxicodendron and, 

 104 



