488 



INDEX. 



Baker, Sir S., on the giraffe, 198. 

 Balancenient of growth, 131. 

 Baleen, 203. 



Barberry, flowers of, 86. 

 Barrande, M., on the Silurian colo- 

 nies, 323. 



on the succession of species, 334. 



on parallelism of paleozoic for- 

 mations, 336. 



on affinities of ancieul species, 

 336. 

 Barriers, importance of, 355. 

 Bates, Mr., on mimetic butterflies, 



315-317. 

 Batrachians on islands, 388. 

 Bats, how structure acquired, 156. 



distribution of, 389. 

 Bear, catching water insects, 158. 

 Beauty, how acquired, 178, 358. 

 Bee, sting of, 182. 



queen, killing rivals, 182. 



Australian, extermination of, 67. 

 Bees, fertilizing flowers, 64. 



hive, not sucking the red clover, 

 83. 



hive, cell-making instinct, 243. 



Ligurian, 83. 



variation in habits, 230. 



parasitic, 239. 



humble, cells of, 244. 

 Beetles, wingless, in Madeira, 122. 



with deficient tarsi, 121. 

 Bentham, Mr., on British plants, 

 42. 



on classification, 408. 

 Berkeley, Mr., on seeds in salt 



water, 359. 

 Bermuda, birds of, 386. 

 Birds acquiring fear, 231. 



beauty of, 180. 



annually cross the Atlantic, 365. 



color of, on continents, 120. 



footsteps and remains of, in sec- 

 ondary rocks, 314. 



fossil, in caves of Brazil, 346. 



of Madeira, Bermuda, and Gala- 

 pagos, 386. 



song of males, 77. 



transporting seeds, 365. 



waders, 382. 



wingless, 121, 157. 

 Bizcacha, 352. 



affinities of, 419. 

 Bladder for swimming, in fish, 165. 

 Blindness of cave animals, 12.3, 



Blyth, Mr., on distinctness of In« 

 dian cattle, 15. 

 on striped hemionus, 143. 

 on crossed geese, 266. 



Borrow, Mr., on the Spanish 

 pointer, 28. 



Bory St. Vincent, on Batrachians, 

 388. 



Bosquet, M., on fossil Chthainalus. 

 315. 



Bowlders, erratic, on the Azores. 

 364. 



Branchiae, 165 166. 

 of crustaceans, 170. 



Braun, Prof., on the seeds of 

 Fumariaceae, 193. 



Brent, Mr., on house-tumblers, 233. 



Britain, mammals of, 390. 



Broca, Prof., on Natural Selection, 

 189. 



Bronn, Prof., on duration of spe- 

 cific forms, 206. 

 various objections by, 189. 



Brown, Robert, on classification, 

 405. 



Brown-Sequard, on inherited muti- 

 lations, 122. 



Busk, Mr., on the Polyzoa, 214. 



Butterflies, mimetic, 416, 417. 



Buzareingues, on sterility of varies 

 ties, 285. 



Cabbage, varieties of, crossed, 13. 



Calceolaria, 264. 



Canary-birds, sterility of hybrids, 



265. 

 Cape de Verde Islands, produc- 

 tions of, 392. 

 plants of, on mountains, 373. 

 Cape of Good Hope, plants of, 114, 



385. 

 Carpenter, Dr., on foraminifera, 



341. 

 Carthamus. 193. 

 Catasetum, 173, 411. 

 Cats, with blue eyes, deaf, 10. 

 variation in habits of, 231. 

 curling tail when going to spring 

 181. 

 Cattle destroying fir-trees, 63. 

 destroyed by flies in Paraguay. 



63. 

 breeds of, locally extinct, 95. 

 fertility of Indian and European 

 breeds, 266, 



