INDEX 
Acquired characters, question as to 
their transmissibility, 221-223. 
Acquired vigor, does it count? 
263-269. 
Adami, Professor J. G., his studies 
on disease and evolution, 304, 
305, 306. 
Agar, Dr., his experiments, 224. 
Algz, 81, 82, 86. 
Allen, Dr. E. J., his demonstration 
of the correlaton between sun- 
shine records and the quantity 
of mackerel at Billingsgate, 80. 
Allen, Glover M., his book on 
Whalebone Whales, 71. 
quoted, 76, 77. 
e. Amazon ants, raids of the, 17-23. 
“ Anguillulid Nematodes,” 175. 
Anguillulid worms, 179. 
Anguis fragilis, 167. 
Anthony, Dr. R., French zoologist, 
288. 
~ Ants, Amazon, raids of the, 17-23. 
-——— Brown, 19, 20, 23. 
=— maternal care of worker-, 272. 
~.. Mediterranean, 186, 
~~~ white, shedding of wings of, 170. 
~— Ants and bees, experimental work 
with, 7. 
Aphaenogaster barbarus, 186 
Apiary, large, pleasant impression 
“— of sound of, 106. 
Armadillo, Hairy, 161. 
Hybrid, 162. 
Little, 159. 
Nine-banded, 
162. 
158-159, 160, 161- 
Aromatic compounds in various 
plants, 96-97. 
Art, before the dawn of, 278-286, 
Aspergillus niger, 187. 
Autotomy, 168-173 
Autumn, characteristic sights of, 
113-114, 
delight and quietness of, 111-112. 
problems of the natural history 
of, 116. 
scientific interest of, 112-113. 
tactics of, 116-118. 
the withering and fall of the 
leaves, 114-115. 
“ Auxetics” and 
ra 
* augmentors,” 
Balaena mysticetus, 78 
glacialis, 71. 
Bataillon’s method of fertilization 
of frog’s eggs, 140. 
Bateson, 232, 240. 
“ Beagle,’ Voyage of the, quoted, 
82, 93. 
Beavers, 271. 
Becquerel, M. Paul, his experi- 
ments on seeds 177-182 
Beddard, Dr. F. E., on whales, 
78. 
™ Bees, storing instinct in, 184, 185. 
Sie 
worker, maternal care of, 272. 
™ Beetles, Burying, limitation of their 
instinct, 209. 
Before the dawn of art, 278-286. 
Bergson, Professor Henri, on in- 
stinctive behavior, 210 
on the resemblance between the 
317 
