. Comparative anatomy and physiology. Chap. XIII.] Go NADS OF FLUKE. 487 three or four primary ducts ; these unite at a common point, one for each testis. Thence there pass forwards two deferent ducts, which open into a common seminal reservoir. The reservoir is continuous anteriorly with .. - !' -'if *"--^. 1 - , , _-*»*^ * ml ^-r~i^ &. Fig. 204 B.—Female Apparatus of Bothriocephalus latus. c. Cirrus; cb, cirrus sheath; ov, ovaries; d, vitellaria; d', their ducts: od, oviduct; u, uterus; u', its orifice; v, vagina; •!/, its orifice ; yl, shell- producing glands. (After Summer and Lan
. Comparative anatomy and physiology. Chap. XIII.] Go NADS OF FLUKE. 487 three or four primary ducts ; these unite at a common point, one for each testis. Thence there pass forwards two deferent ducts, which open into a common seminal reservoir. The reservoir is continuous anteriorly with .. - !' -'if *"--^. 1 - , , _-*»*^ * ml ^-r~i^ &. Fig. 204 B.—Female Apparatus of Bothriocephalus latus. c. Cirrus; cb, cirrus sheath; ov, ovaries; d, vitellaria; d', their ducts: od, oviduct; u, uterus; u', its orifice; v, vagina; •!/, its orifice ; yl, shell- producing glands. (After Summer and Landois.) a ductus ejaculatorius, which is coiled and looped, and which forms a papilliform projection at the base of the genital sinus, which is common to the male and female ducts, and is placed just behind the ventral sucker. The terminal portion is protrusible, and functions as a penis ; it is ordinarily known as the cirrus. In the female organs the germ glands are quite distinct from the yolk glands; the former make. 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 Bell, F. J. (Francis Jeffrey), 1855-1924. London, Cassell
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