. Zoology : for students and general readers . Zoology. THE ELECTRICAL RAT. 423 producing a shock. The benumbing jjower is lost by fre- quent exercise, being regained by rest ; it is also increased by energetic circulation and respiration. As in muscular. Fig. 392.— To'pedo manruratas. a, brain ; ^, modnlla oblongata ; f, spinal cord ; d ana 6', electric portion ()f the trigemiuaie ur fif'tli pair of nerves ; ee\ electric iiortion of the pneumogastric or eighth pair of nerves ;/", rc-current nerve; </, left electric organ entire ; gr', right electric organ dissected to show the distrib


. Zoology : for students and general readers . Zoology. THE ELECTRICAL RAT. 423 producing a shock. The benumbing jjower is lost by fre- quent exercise, being regained by rest ; it is also increased by energetic circulation and respiration. As in muscular. Fig. 392.— To'pedo manruratas. a, brain ; ^, modnlla oblongata ; f, spinal cord ; d ana 6', electric portion ()f the trigemiuaie ur fif'tli pair of nerves ; ee\ electric iiortion of the pneumogastric or eighth pair of nerves ;/", rc-current nerve; </, left electric organ entire ; gr', right electric organ dissected to show the distribution of the nerves ; A, the last of the branchial chambers ; i, mucus-eecreting tubes.—From Gervaia and Van Benf den. exertion the electrical power is increased by the action of strychnine (Owen). Marey has more recently made interesting experiments on the torpedOj examining the discharge of this fish with 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 Packard, A. S. (Alpheus Spring), 1839-1905. New York : Henry Holt


Size: 1624px × 1539px
Photo credit: © Central Historic Books / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1800, bookdecade1870, booksubjectzoology, bookyear1879