Bonner's 135 Pupa 12 resemblance of to a mummy 13 Queen-bees, artificial 20 discovery attributed to Schirach _ib._ said to have been long known 20 opinions of Vogel and Monticelli _ib._ experiment of Dunbar 22 not mute as Huber supposed 23 attachment of workers to 141 enmity towards, and combats with each other 281 evolution of _ab ovo_ 14 homage paid to 144 impregnation of 25 opinions concerning _ib._ Bonner's 28 Bonnet's 29 Butler's 36 Debraw's 27 Dobbs's 26 Fleming's 32 Hattorf's 28 Huber's 27, _et seq._ Huish's 27 Hunter's 30, 33 Linnæus's 33 Lombard's 29 Maraldi's 26 Reaumur's 26 Schirach's 28 Swammerdam's 25 Wildman's 36 objections to Huber's theory _ib._ impregnation retarded 37, 41 intercourse with drones 30, _et seq._ probable duration of fertilizing influence 31 laying, commencement of 37 affected by temperature _ib._ loss of, its consequences 144 mode of depositing eggs 8 mode of searching for when a stock has been suffocated 174