counting by, [56-58], [214], [215];
psychology of, in relation to the descent of man, [364-384]
Buffon, on intelligence of brutes, [12], [117];
his parrot, [201]
Bunsen, on onomatopœia, [282];
on Egyptian language, [297], [298];
on the substantive verb, [309]
Burton on sign-making by Indians, [105]
Bushmen, clicks in the language of, [291]
Butler, Bishop, on immortality of brutes, [12]