INDEX 



321 



its limitation in insects, 209-210. 

 wonders of, 206-212. 

 " Intelligence " of Foraminifera in 

 their shell-formation, 278. 



Jackson, Wilfrid, his work on 

 shells, 63, 66, 68 



James, Professor William, his two- 

 fold division of mankind, 

 84-85. 

 quoted, 302. 



Janet, M. Charles, his formicaria of 

 brown ants, 19. 



Jenner, his observations on young 

 cuckoo in nest, 44-45, 46. 



Jones, Professor F. Wood, ob- 

 servations on his study of 

 " Arboreal Man," 288-293. 



Joy, its influence on the circula- 

 tion, 311. 



its influence on digestion, 310. 

 its influence on the nervous 



system, 313. 

 the cult of, 309-315. 



" Jukes," the, sequel to, 294-301. 



Kammerer, Dr., his experiments 

 on salamanders, 224-225. 



Kelp, 93. 



Kidd, Benjamin, on artificial nur- 

 ture, 164-165. 



Kirkman, F. B., his notes regarding 

 male birds and their mates, 34, 

 36- 



his comparison of cuck>o's notes, 

 40. 



Lachmann, 285. 



Lamarck, getting back to, 221, 223, 

 224. 



Lankester, Sir Ray, referred to, 29, 

 61, 206, 223, 255. 



Lashley, Dr. K. S., his experi- 

 ments on homing of sea- 

 swallows, 1-8. 



Latter, O. H., quoted, on frogs, 47. 



Leishman, Sir William, 305. 

 Levick, Staff-Surgeon Murray, 

 R. N., his observations on the 

 Adelie penguins, 9-16. 

 Liebig's idea of the circulation of 



matter illustrated, 81. 

 Life, a limb for a, 166-174. 

 embryonic period of, 145. 

 larval period of, 142, 144. 

 latent, 175-182. 

 the curve of, 142-149. 

 varying types of, 147-149. 

 Limb for a life, a, 168-174. 

 Loeb, Professor Jacques, his ex- 

 periments on fishes, 250, 251- 

 252. 

 his method of subjecting ova to 



chemical action, 140. 

 on Plankton organisms, 86. 



Mackerel, 80, 81, 88. 



Macquenne, experiments on seeds, 



1 80. 



Macrocystis pyrifera, 93. 

 Making a home for life, 213-220. 

 Man's arboreal apprenticeship, 287- 



293- 

 Marsipella cylindrica, 285. 



spiralis, 285. 

 Maspero, M., his non-success in 



germinating wheat grains from 



tombs of the Pharaohs, 179. 

 Mayflower's encounter with whales, 



story of, 76. 

 Mendel, the experimental work of, 



230, 232-237. 

 Mendeleeff, 217. 

 Mendelian classification of all new 



characters into dominants and 



recessives, 243. 

 Mendelian clue, the, 231-237. 



its rediscovery, 232. 

 Mendelian conception of inherit- 

 ance, its three fundamental 



ideas, 232-235. 

 Mendelian doctrine, 244. 



