Blood-letting, popular treatment of disease, 194.

Blue, deficient colour-sense for, 51, 52.

Boccaccio, 80, 260.

Boccara, V., 228.

Boemund, 38.

Boissier, G., 46.

Bollandists, in.

Bonghi, R., statesman, 4.

Bordeaux, royal duel at, 8.

Borgia, village, 293.