. The Annals and magazine of natural history; zoology, botany, and geology. Natural history; Zoology; Botany; Geology. 508 Dr. L. Cofftietti de Martiis o?i a septum Opposite to them are found the spindle- shaped dilated chambers ("' Samenmagazine") at the be- ginning of the sperm-ducts. A pair of sperm-sacs depends from the posterior surface of septum These organs extend slightly into the xii. segment, where their surface appears a little furrowed ; the expanded portion is provided posteriorly with a tubular appendix. The tubular appendix of the sperm-sac of the left
. The Annals and magazine of natural history; zoology, botany, and geology. Natural history; Zoology; Botany; Geology. 508 Dr. L. Cofftietti de Martiis o?i a septum Opposite to them are found the spindle- shaped dilated chambers ("' Samenmagazine") at the be- ginning of the sperm-ducts. A pair of sperm-sacs depends from the posterior surface of septum These organs extend slightly into the xii. segment, where their surface appears a little furrowed ; the expanded portion is provided posteriorly with a tubular appendix. The tubular appendix of the sperm-sac of the left side is. Fig. A. — Female generative organs and prostates of Polytoreutus baralypton, sp. n. X 4. Yig, B.—The central female generative organs of the left side, more magnified. X 6. ap^.=globular appendix ; diverticulum of the spermatheca; egg-capsule; = egg-sac ; ft'.=ligament ; = oviduct ; prostate; = sperm-duct; = spermathecal pore; $= female pore. short and closed in the xii. segment, but that of the right side is longer and reaches the xviii. segment, being ribbon- like and a little dilated at the extremity. This inequality in the length of the sperm-sacs has also been found by Beddard * * See Proc. Zool. Soc. 1907, pp. 417 et 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 London, Taylor and Francis, Ltd
Size: 1290px × 1938px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookce, booksubjectbotany, booksubjectgeology, booksubjectzoology
