. The crayfish; an introduction to the study of zoology. Crayfish; Zoology. THE OVARY AND THE EGGS. 131 during the breeding season than at other times; the large brownish-yellow eggs become conspicuous in the ovar}^. Fig. o2. — Astacu-sJlifviat'dis.—A, a two-thirds grown egg-contained in its ovisac (x 50) ; B, an egg removed from the ovisac (x 10) ; C, a portion of the wall of an ovisac with the adjacent portion of the contained egg, highly magnified; ej^, epithelium of ovisac ; gs, germinal spots ; gv, germinal vesicle ; m, membrana propria ; V, vitellus ; ivn, vitelline membrane ; w, stalk o
. The crayfish; an introduction to the study of zoology. Crayfish; Zoology. THE OVARY AND THE EGGS. 131 during the breeding season than at other times; the large brownish-yellow eggs become conspicuous in the ovar}^. Fig. o2. — Astacu-sJlifviat'dis.—A, a two-thirds grown egg-contained in its ovisac (x 50) ; B, an egg removed from the ovisac (x 10) ; C, a portion of the wall of an ovisac with the adjacent portion of the contained egg, highly magnified; ej^, epithelium of ovisac ; gs, germinal spots ; gv, germinal vesicle ; m, membrana propria ; V, vitellus ; ivn, vitelline membrane ; w, stalk of ovisac. and the testis assumes a milk-wdiite colour, at this period. The walls of the ovary are lined internally by a layer of. 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 Huxley, Thomas Henry, 1825-1895. New York, D. Appleton and company
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Keywords: ., bookauthorhu, bookcentury1800, bookdecade1880, booksubjectzoology
