. The honey-bee; its nature, homes and products. Bees. iiS THE HONEY-BEE. which are coils of an elastic thread, which act like the spiral wire frequently used for keeping open and strengthening india-rubber tubing. By means of this structure the air-pipes'[are maintained in a condition for the free passage of the atmosphere, and if closed by pressure, the elastic fibre reopens them directly the pressure is Fig. 34.—a, Air-sacs, 5, Ovaries, of the Queen. With regard to the circulation of the nutritive fluid in the system, considerable obscurity prevails. What is known is, that along t
. The honey-bee; its nature, homes and products. Bees. iiS THE HONEY-BEE. which are coils of an elastic thread, which act like the spiral wire frequently used for keeping open and strengthening india-rubber tubing. By means of this structure the air-pipes'[are maintained in a condition for the free passage of the atmosphere, and if closed by pressure, the elastic fibre reopens them directly the pressure is Fig. 34.—a, Air-sacs, 5, Ovaries, of the Queen. With regard to the circulation of the nutritive fluid in the system, considerable obscurity prevails. What is known is, that along the back of the insect runs a vessel called, from its position, the dorsal vessel, attached to the outer covering of the body by bands of ligamentous tissue. The portion of this tube contained in the abdomen is enlarged at intervals into chambers communicating with each. 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: 1242px × 2012px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bo, bookcentury1800, bookdecade1880, booksubjectbees, bookyear1884