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. The bee-keeper's guide : or, Manual of the apiary. Bees. ^0 THE BEfi-KEEPER*S GUIDE J ever contribute to our delight, and not sadden us with anxiety and fear. The antennae (Fig. IS, a, a) are the horn-like jointed organs situated between, or below and in front of, the large compound eyes of all insects. They are sometimes short, as in the house-fly, and sometimes very long, as in crickets and green grasshoppers. They may be straight, curved, or elbowed. In form they are very varied, as thread-like, taper- ing, toothed, knobbed, fringed, feathered, etc. The antennas of many Hymenopterous inse
. The bee-keeper's guide : or, Manual of the apiary. Bees. ^0 THE BEfi-KEEPER*S GUIDE J ever contribute to our delight, and not sadden us with anxiety and fear. The antennae (Fig. IS, a, a) are the horn-like jointed organs situated between, or below and in front of, the large compound eyes of all insects. They are sometimes short, as in the house-fly, and sometimes very long, as in crickets and green grasshoppers. They may be straight, curved, or elbowed. In form they are very varied, as thread-like, taper- ing, toothed, knobbed, fringed, feathered, etc. The antennas of many Hymenopterous insects are elbowed (Fig. 18). The long first joint in this case is the scape, the remaining joints (Fig. 18, F) the flagellum. A large nerve (Fig. 18, n) and a Fig. 19. k. Antennal Eairs.—Original. n Nerves. c Cells. h Tooth hairs, e, p Pits or pori. Microscopic Structure of Anten- TUB, after Hchiemem. b Hairs of scape. b, c Hairs of scape and flagellum. trachea (Fig. 18, /) enter the antenna. The function of the antennae is now pretty well, if not wholly, understood. That they often serve as most delicate touch-organs no observing apiarist can doubt. Tactile nerve-ending hairs are often found in great numbers. With the higher insects, like most Hyme- nopterons, this tactile sense of the antennae is doubtless very important. It is now fully demonstrated that the sense of smell is located in the antennas. Sulzer, in the eighteenth century,. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Cook, Albert John, 1842-1916. Chicago : York
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Keywords: ., bo, bookcentury1900, bookdecade1900, booksubjectbees, bookyear1902