. A junior course of practical zoology. Zoology. REPRODUCTIVE SYSTEM 67 a. The vesicnlse seminales vary greatly in form and size with the season of the year. When fully developed they form conspicuous milk-white bodies at the sides of the oesophagus, and over- lapping it. i. A pair of anterior lateral vesiculae seminales lie. Fig. 24.^ terrestris. Plan of the reproductive organs as seen from above after removal of the alimentary canal. The body-wall is pinned down flat. (c. h. h.) A, anterior lateral vesicula serainalis. B, first median vesicula seminalis. C, posterior lateral vesic
. A junior course of practical zoology. Zoology. REPRODUCTIVE SYSTEM 67 a. The vesicnlse seminales vary greatly in form and size with the season of the year. When fully developed they form conspicuous milk-white bodies at the sides of the oesophagus, and over- lapping it. i. A pair of anterior lateral vesiculae seminales lie. Fig. 24.^ terrestris. Plan of the reproductive organs as seen from above after removal of the alimentary canal. The body-wall is pinned down flat. (c. h. h.) A, anterior lateral vesicula serainalis. B, first median vesicula seminalis. C, posterior lateral vesicula seminalis. M", nerve-cham. 0» ovary. OD, oviduct. B, receptaculum ovorum. S, spermathecse. SF, seminal funnel lying in the median vesicula seminalis. T, testis. VD, vas deferens: the reference Une indicates the point where the posterior vas eflerens opens into it. 9 to 15) ninth to fifteenth segments. p 2. 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 Marshall, A. Milnes (Arthur Milnes), 1852-1893; Hurst, C. Herbert (Charles Herbert), 1856?-1898, joint author. London, Smith, Elder
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectzoology, bookyear1888
