. The biology of the frog. Frogs. 76 THE BIOLOGY OF THE FROG are greatly enlarged, and may be recognized by the small, globular, dark-colored eggs which form the greater part of their mass. External to the ovaries are the large, white con-. Fig. II. — Rana temporaria. Dissection from the left side; the viscera somewhat displaced. r?«, anus; b. d,\A\& duct; ^. ^/, body of hyoid; bl, urinary bladder; bV, its opening into cloaca; c. art, conus arteriosus; ciJ/w, cerebellum ; cl, cloaca; ««. j, centrum of third vertebra; , corpus adiposum ; , cerebral hemisphere; a'./v. j, dorsal ly
. The biology of the frog. Frogs. 76 THE BIOLOGY OF THE FROG are greatly enlarged, and may be recognized by the small, globular, dark-colored eggs which form the greater part of their mass. External to the ovaries are the large, white con-. Fig. II. — Rana temporaria. Dissection from the left side; the viscera somewhat displaced. r?«, anus; b. d,\A\& duct; ^. ^/, body of hyoid; bl, urinary bladder; bV, its opening into cloaca; c. art, conus arteriosus; ciJ/w, cerebellum ; cl, cloaca; ««. j, centrum of third vertebra; , corpus adiposum ; , cerebral hemisphere; a'./v. j, dorsal lymph sinus; dit, duodenum; ep. cor, epicoracoid; ens. t. Eustachian tube; FR. PA, fronto-parietal; gl, glottis; gul, gullet; IL, ilium ; IS, ischium ; kd, kidney; /. an, left auricle; /. lug, left lung; Ir, liver; M. MCK, mento- meckelian ; n. , neur^d arch of first vertebra; olf. I, olfactory lobe; opt. I, optic lobe ; O. ST, omo- and epi-sternum ; pcd, pericardium ; PMX, premaxilla; /«, pancreas; /. ;/<r, posterior naris; /«, pubis; ret, rec- tum; ;«j^, right lung; «/, small intestine ; j/. co', spinal cord; SPH. ETH, sphenethmoid ; j//, snleen ; j^ stomach ; j. z', sinus venosus; tng, tongue; ts, testis; nr, ureter; ur', its aperture into the cloaca; UST, urostyle; v, ventricle; v. , ventral lymph-sinus; vo. t, vomerine teeth ; vs. sent, vesicula seminalis. voluted tubes, the oviducts. These are also suspended to the dorsal body wall by thin sheets of membrane ; they have no connection with the ovaries; anteriorly they open into 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 Holmes, Samuel J. (Samuel Jackson), 1868-1964. New York Macmillan
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectfrogs, bookyear1916
