. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. C FIG. 1. A, Thyone immediately after evisceration with a short longitudinal slit through the body wall at the anterior end (ventral surface to the right) ; B, Thyone being turned inside out with the aid of a blunt glass rod; C, specimen turned completely inside out. Cl, cloaca; G, gonad. (Mesenteries and muscula- ture of body-wall omitted.) Thyone gonad consists then of (1) a lateral portion of a chamber located within the dorsal mesentery (the gonad-basis) and (2) a mass of tubules which take their origin from the ventro-l


. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. C FIG. 1. A, Thyone immediately after evisceration with a short longitudinal slit through the body wall at the anterior end (ventral surface to the right) ; B, Thyone being turned inside out with the aid of a blunt glass rod; C, specimen turned completely inside out. Cl, cloaca; G, gonad. (Mesenteries and muscula- ture of body-wall omitted.) Thyone gonad consists then of (1) a lateral portion of a chamber located within the dorsal mesentery (the gonad-basis) and (2) a mass of tubules which take their origin from the ventro-lateral wall of the cham- ber (gonad tubule, Fig. 2). The right and left tufts of tubules are symmetrically developed, there being but little variation in the number and size of tubules between the two sides. Within each tuft, however, one can distinguish tubules in various stages of development. The ex-. 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 Marine Biological Laboratory (Woods Hole, Mass. ); Marine Biological Laboratory (Woods Hole, Mass. ). Annual report 1907/08-1952; Lillie, Frank Rattray, 1870-1947; Moore, Carl Richard, 1892-; Redfield, Alfred Clarence, 1890-1983. Woods Hole, Mass. : Marine Biological Laboratory


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Keywords: ., bookauthorlilliefrankrat, booksubjectbiology, booksubjectzoology