. Principles of economic zoo?logy. Zoology, Economic. Fig. 33.—Piece of pork showing larvae of Trichinella spiralis encysted in the muscle- fibers; natural size. (Ostertag.). Fig. 34.—Encysted larva of Trichinella spira- lis; enlarged. (Leuckart.). 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 Daugherty, Lewis Sylvester, 1857-; Daugherty, L. S. , Mrs. , 1859-. Philadelphia, London, W. B. Saunders

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Keywords: ., bookcentury1900, bookdecade1910, bookpublisherphila, bookyear1915