. Elementary textbook of economic zoology and entomology. Zoology; Insect pests. THE LIVER-FLUKES, TAPE-WORMS, ETC. 75 walls of the alimentary canal and soon develop into the many-jointed adult. Tape-worms cause much trouble, espe- cially to children. It is probable that the most common tape-worm affecting man in the United States is one that passes its intermediate stage in cattle. It is known as Tcenia saginata, and is much like T. solium, but the head is depressed instead of being convex at the end, and the hooks, which are conspicuous in T. solium, are wanting in T. saginata. It is plain t
. Elementary textbook of economic zoology and entomology. Zoology; Insect pests. THE LIVER-FLUKES, TAPE-WORMS, ETC. 75 walls of the alimentary canal and soon develop into the many-jointed adult. Tape-worms cause much trouble, espe- cially to children. It is probable that the most common tape-worm affecting man in the United States is one that passes its intermediate stage in cattle. It is known as Tcenia saginata, and is much like T. solium, but the head is depressed instead of being convex at the end, and the hooks, which are conspicuous in T. solium, are wanting in T. saginata. It is plain that either one of two things is necessary to prevent infection; all meat must be carefully inspected and any that is "measly" rejected, or it must all be so thoroughly cooked that there will be no chance for any of the encysted forms to remain 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 Kellogg, Vernon L. (Vernon Lyman), 1867-1937; Doane, Rennie Wilbur, 1871-. New York, H. Holt and company
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