Carpenter, William Benjamin, 1813-1885, Dallinger, W. H. (William Henry), 1842-1909 · Philadelphia, Blakiston · leaf 767
tion of the ventral portion of the trunk below theaperture of the cloaca. These foot-glands secrete a viscid substancewhich is discharged by ducts passing to the tips of the two toes (t),and which serves to attach the animal to one spot when it is usingits frontal cilia to procure food.… … Fig. 5-15. Fig. 546.—Male : e, eye; 1c, longi- tudinal canals; vt, vibratile tag;cv, contractile vesicle; ss, sperm-sac ; p, penis; /, foot; fg, foot-gland. On either side of the body is a tortuous tube commencing in aplexus in the head and running down to open on the contractilevesicle (cv). These…
Microscopy
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