i. 346;

pairing of, i. 401.

_Bombyx Pernyi_, proportion of sexes of, i. 313.

_Bombyx Yamamai_, i. 346; M. Personnat on, i. 310; proportion of sexes of, i. 313.

BONAPARTE, C. L., on the call-notes of the wild turkey, ii. 60.

BOND, F., on the finding of new mates by crows, ii. 104.

BONE, implements of, skill displayed in making, i. 138.

BONER, C., on the transfer of male characters to an old female chamois,