492 
INDEX. 
BEES, 
Bees, hive, celBmaking instinct, 224. 
- 5 humble,’^cells o:^ 225. 
-, parasitic, 218. 
Beetles, wingless, in Madeira, 135. 
-with deficient tarsi, 135. 
Bentham, Mr., on British plants, 48. 
■-, on classification, 419. 
Berkeley, Mr., on seeds in salt-water, 
358. 
Bermuda, birds of, 391. 
Birds acquiring fear, 212. 
-annually cross the Atlantic, 364. 
-, colour of, on continents, 132. 
--, footsteps and remains of, in se¬ 
condary rocks, 304. 
-, fossil, in caves of Brazil, 339. 
- of Madeira, Bermuda, and Gala¬ 
pagos, 391. 
--, song of males, 89. 
. transporting seeds, 361. 
--, waders, 385. 
—— , wingless, 134, 182. 
- - , with traces of embryonic teeth, 
450. 
Bizcacha, 349. 
-, affinities of, 429. 
Bladder for swimming in fish, 190. 
Blindness of cave animals, 137. 
Blyth, Mr., on distinctness of Indian 
cattle, 18. 
-, on striped Hemionus, 163. 
-, on crossed geese, 254. 
Boar, shoulder-pad of, 88. 
Borrow, Mr., on the Spanish pointer, 
35. 
Bory St. Vincent on Batrachians, 
393. 
Bosquet, M., on fossil Chthamalus, 
305. 
Boulders, erratic, on the Azores, 363. 
Branch ise, 190. 
Brent, Mr., on house-tumblers, 214. 
-, on hawks killing pigeons, 362. 
Brewer, Dr., on American cuckoo, 
217. 
Britain, mammals of, 396. 
Bronn on duration of specific forms, 
294. 
Brown, Robert, on classification, 415. 
Buckman on variation in plants, 10. 
Buzareingues on sterility of varieties, 
270. 
CLIMATE. 
c. 
Cabbage, varieties of, crossed, 99. 
Calceolaria, 251. 
Canary-birds, sterility of hybrids, 252. 
Cape de Verde islands, 398. 
Cape of Good Hope, plants of, 110, 
375. 
Carrier-pigeons killed by hawks, 362. 
Cassini on flowers of compositse, 145. 
Catasetum, 424. 
Cats, with blue eyes, deaf, 12. 
--, variation in habits of, 91. 
-curling tail when going to spring, 
201 . 
Cattle destroying fir-trees, 72. 
-destroyed by flies in La Plata, 
72. 
-, breeds of, locally extinct, Ill. 
-, fertility of Indian and European 
breeds, 254. 
Cave, inhabitants of, blind, 137. 
Centres of creation, 352. 
Cephalopodae, development of, 442. 
Cervulus, 253. 
Cetacea, teeth and hair, 144. 
Ceylon, plants of, 375. 
Chalk formation, 322. 
Characters, divergence of. 111. 
-, sexual, variable, 156. 
■-, adaptive or analogical, 426. 
Charlock, 76. 
Checks to increase, 67. 
-, mutual, 71. 
Chickens, instinctive tameness of, 216. 
Chthamalinse, 289. 
Chthamalus, cretacean species of, 305. 
Circumstances favourable to selection of 
domestic products, 40. 
-to natural selection, 102. 
Cirripedes capable of crossing, 101. 
-, carapace aborted, 148. 
-, their ovigerous frena, 192. 
--, fossil, 304. 
-, larvae of, 440. 
Classification, 413. 
Clift, Mr., on the succession of types, 
339. 
Climate, effects of, in checking increase 
of beings, 68. 
-, adaptation of, to organisms, 139. 
