INDEX 
its limitation in insects, 209-210. 
wonders of, 206-212. 
“ Intelligence” of Foraminifera in 
their shell-formation, 278. 
Jackson, Wilfrid, his 
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. 
work on 
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 0’s notes, 
40. 
Lachmann, 28s. 
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. 
321 
Leishman, Sir William, 305. 
Levick, Staff-Surgeon Murray, 
R. N., his observations on the 
Adélie 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, 
180. 
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, 232-297. 
Mendeléeff, 217. 
Mendelian classification of all new 
characters into dominants and 
recessives, 243. 
Mendelian clue, the, 231-237. 
its rediscovery, 232. 
Mendelian conception of 
ance, its three 
ideas, 232-235. 
Mendelian doctrine, 244. 
inherit- 
fundamental 
