. The honey-bee; its nature, homes and products. Bees. THE HONEY-BEE. collect pollen, and to act as brushes and combs to all the external parts of the body, which need constant cleansing from flower-dust, and other matters less useful to the bee. 'i Passing now to the wings, new marvels and beauties await our observation. These organs are four in number, the forward pair being considerably larger than the hinder. Each wing consists of a double membrane, dotted all over with fine hairs, whose purposes are to protect the delicate structure from. Fig. 30.—Wing of Bee. wet, and from particles of v
. The honey-bee; its nature, homes and products. Bees. THE HONEY-BEE. collect pollen, and to act as brushes and combs to all the external parts of the body, which need constant cleansing from flower-dust, and other matters less useful to the bee. 'i Passing now to the wings, new marvels and beauties await our observation. These organs are four in number, the forward pair being considerably larger than the hinder. Each wing consists of a double membrane, dotted all over with fine hairs, whose purposes are to protect the delicate structure from. Fig. 30.—Wing of Bee. wet, and from particles of various kinds which would adhere to it, and injure its surface. As a support for this expanded tissue, there is a ramifica- tion of stronger material, constituting nervures, and acting like the ribs of an umbrella. With these are associated air-vessels, or trache(B, for the circulation of air, and, possibly, to assist in giving buoyancy to the organ. By another set of tubes a portion of the nutritive fluid is conveyed to certain parts of the wing, though no general circulation seems to take place in it. The substance of which the expanded portion, as well as the nervures, is composed, is very tough, and, as our readers may remember, the. 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 Harris, William Hetherington, 1835-. London, The Religious tract society
Size: 2151px × 1162px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bo, bookcentury1800, bookdecade1880, booksubjectbees, bookyear1884
