i. 302;

on _Palamedea cornuta_, ii. 48; on the beards of the Guaranys, ii. 322; on strife for women among the Guanas, ii. 324; on infanticide, ii. 344, 364; on the eradication of the eyebrows and eyelashes by the Indians of Paraguay, ii. 348; on polyandry among the Guanas, ii. 366; celibacy unknown among the savages of South America, ii. 367; on the freedom of divorce among the Charruas, ii. 372.

B.

BABBAGE, C., on the greater proportion of illegitimate female births, i. 302.

BABIRUSA, tusks of the, ii. 264.

BABOON, employing a mat for shelter against the sun, i. 53; manifestation of memory by a, i. 45; protected from punishment by its companions, i. 78; rage excited in, by reading, i. 42.

BABOON, Cape, mane of the male, ii. 267; Hamadryas, mane of the male, ii. 267.

BABOONS, effects of intoxicating liquors on, i. 12; ears of, i. 23; manifestation of maternal affection by, i. 41; using stones and sticks as weapons, i. 51; co-operation of, i. 75; silence of, on plundering expeditions, i. 79; diversity of the mental faculties in, i. 110; hands of, i. 139; habits of, i. 141; variability of the tail in, i. 150; apparent polygamy of, i. 266; polygamous and social habits of, ii. 362.

BACHMAN, Dr., on the fertility of mulattoes, i. 221.

BAER, K. E. von, on embryonic development, i. 14.

BAGEHOT, W., on the social virtues among primitive men, i. 93; on the value of obedience, i. 162; on human progress, i. 166; on the persistence of savage tribes in classical times, i. 239.

BAILLY, E. M., on the fighting of stags, ii. 252; on the mode of fighting of the Italian buffalo, ii. 250.

BAIN, A., on the sense of duty, i. 71; aid springing from sympathy, i. 77; on the basis of sympathy, i. 82; on love of approbation, &c., i. 86; on the idea of beauty, ii. 354.

BAIRD, W., on a difference in colour between the males and females of some Entozoa, i. 321.

BAKER, Mr., observation on the proportion of the sexes in pheasant-chicks, i. 306.

BAKER, Sir S., on the fondness of the Arabs for discordant music,