Page:How to Keep Bees.djvu/237

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PLATE XXVI. (a.) The reproductive organs of the honey-bee. (From Leuckart, slightly modified.) Fig. 1.—Reproductive organs of a queen; o, o, ovaries; od, oviduct; s, spermatheca; g, gland; p, poison sac connected with the sting. Fig. 2.—Reproductive organs of a drone; t, t, testes; v, vas deferens; s, s, seminal sacs; m, m, mucous glands; ed, ejaculatory duct; b, pouch or bulb. The bulb and the following parts are everted through the outer opening at the time of pairing.

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PLATE XXVI. (b.) Fig. 1.—The internal anatomy of the honey-bee (after Cheshire), o, œsophagus, hs, honey sac; p, stomach-mouth; cs, true stomach or chyle-stomach; m, malpighian tubes; si, small intestine; li, large intestine, h, heart or dorsal vessel; n, central nervous system; 1, supracerebral glands; 2, postcerebral glands; 3, thoracic glands. The respiratory system and the reproductive organs are not shown in this figure (after Cheshire). Fig. 2.—The respiratory svstem of the honey-bee. s, s, s, spiracles; a, enlarged trachea or air sac (adapted from Leuckart).