. Alfalfa, grasshoppers, bees: their relationship. Alfalfa. [from old catalog]; Locusts. [from old catalog]; Bees. [from old catalog]. / Fig. 27. (Original.) Side view, showing spiracle of mesotliorax with spiracle enlarged. however, there are organs es- pecially made to assist in buoying the insect when on the wing. These are com- monly known as air sacs, and connect with the spiracles as shown in the figure (fig. 26). Reproductive system.— Fig. 25 shows the reproductive organs of the female, when not laden with eggs. It consists of an ovary. e,u,u- duct, and receptacle for the fertilizing fl
. Alfalfa, grasshoppers, bees: their relationship. Alfalfa. [from old catalog]; Locusts. [from old catalog]; Bees. [from old catalog]. / Fig. 27. (Original.) Side view, showing spiracle of mesotliorax with spiracle enlarged. however, there are organs es- pecially made to assist in buoying the insect when on the wing. These are com- monly known as air sacs, and connect with the spiracles as shown in the figure (fig. 26). Reproductive system.— Fig. 25 shows the reproductive organs of the female, when not laden with eggs. It consists of an ovary. e,u,u- duct, and receptacle for the fertilizing fluid. Fig. 28 shows the ovary of the female just a few days previous to the time of oviposiiion. It. Fig. 28. (Original.) Reproductive system of female. Large egg sac lying above stomach ; ovi- duct leading out above egg guide ; r, rectum ; a-a, digestive tract. Enlarged three times. is believed that, in these insects, each egg is fertilized in passing from the ovary out through the egg duct. The number of eggs that the ovary of this insect will contain averages about 100. Nervous system.— The nervous system is shown in Fig. 25. It con- sists of a series of ganglia, or collections of nervous matter, situated under the digestive canal. These ganglia are arranged along the body just next to the digestive tract. They are placed two together, and. 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 Hunter, Samuel John, 1866- [from old catalog]; Duff, A. H. [from old catalog]. Topeka, Kan. , Press of the state printer
Size: 3040px × 822px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1890, booksubjectalfalfafromoldcatalo
