Bone-caves, before and after the ice-period, 408; exploration of, in Great Britain, 13; in Southern Europe, 21, 370, 373, 375, 377; the three classes of, 10. Bone harpoon, found in Victoria Cave, 111. Bones gnawed by hyænas, 282. Bonney, Rev. T. G., cited, 28. _Bos longifrons_, 78, 88, 125, 131, 133, 136, 144, 150, 166, 194, 256, 262, 269. _Bos namadicus_, 428. Bosco’s Den, 288. Boulder clays, 403. Brachy-cephali, the Belgian, 199, 219; British, 193, 199; French, 199, 202, 203; represented by Celts, 229. Bradley, Mr., cited, 190. Brandt, Professor, cited, 399; on the Irish Elk, 401. Brenan, Mr., discoveries of, in Ireland, 335. Bristol Channel, the, 290. Britain, cave exploration in, 13; during the second ice age, 406; historic caves in, 81; historic period in, 75; inhabitants of, in the neolithic age, 191; in the pleistocene age, 366; mammalia in, during the second ice age, 406; population of in time of Cæsar, 224; raids of Picts and Scots in, 105; range of dolicho-cephali in, and Ireland, 194; Roman dominion in, 103; two periods of glaciation in, 401; wild animals in, 75. British brachy-cephali, 198, 199. Brit-Welsh caves, 129, 130. Brixham, caves at, 16, 319; implements and animals in, 320; history of deposits in, 321. Broca, M., cited, 156; on Basque crania, 213; on the Caverne de l’Homme Mort, 198, 200, 201; derivation of the Basques from Africa, 227, 228; on platycnemic _tibiæ_, 175; sepulchral cave of Orrouy, 202. Brome, Captain, researches of, 21, 204. Bronze age in Britain, caves of the, 141; armlet from Thor’s cave, 128; articles from Heathery Burn, 142. Brooches found in the Victoria cave, 98. Brown, Mr. Edwin, on Thor’s cave, 128. Browne, the Rev. G. F., explorations of, 26; on the temperature of caves, 72. Bruniquel, cave of, 40; description of, 247; interments of doubtful age in, 248. Bryce, Dr., cited, 405. Brysgill, cave of, 160. _Bubalus namadicus_, 428. Buckland, Dr., cited, 13, 18, 30, 120, 240, 293, 295, 300; on Gailenreuth cave, 273, 274; Kirkdale, 14, 280, 281, 283; Kühloch, 276; Paviland, 234. Buffalo in Italy, 81. Busk, Professor, cited, 13, 120, 155, 162, 189, 259; on fossil bones in the Iberian peninsula, 372; human bones from Perthi-Chwareu caves, 166-179; human remains from Cefn tumulus, 180-186; human skull from caves of Césaroda, 146, 147; skulls found in Spain, 208, 209; the Berbers, 212; the fauna of Mentone, 373; researches of, in caves of Gibraltar, 204-208, 371. C. Calcareous rocks, caves in, 25. Caldy, cave of, 62, 63; cave-pearls in, 66; fungoid stalagmites in, 67; island of, 289. Campbell, Dr., cited, 196. _Canis familiaris_, 131, 144, 150, 157, 166, 256; _lupus_, 166; _vulpes_, 131, 150, 166.