. Animal parasites and parasitic diseases. Domestic animals; Veterinary medicine. 156 PARASITOLOGY. Taenia Expansa (Expansus—broad). Synonym.—Moniesia Planissima. Distribution.—Common in the United States, es- pecially in range cattle. Description.—Its head is very small, and is pro- vided with four sucker discs ; the head is followed by along, slender neck; the segments of specimens from cattle often measure an inch in width ; these widest segments are only about one-eighth of an. -i' - 1 > L ^' L A v i ? i Fig. 62.—Taenia Expansa (from ox). a. Head. c, Mature segments. b, Neck. d, Parti
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. Animal parasites and parasitic diseases. Domestic animals; Veterinary medicine. 156 PARASITOLOGY. Taenia Expansa (Expansus—broad). Synonym.—Moniesia Planissima. Distribution.—Common in the United States, es- pecially in range cattle. Description.—Its head is very small, and is pro- vided with four sucker discs ; the head is followed by along, slender neck; the segments of specimens from cattle often measure an inch in width ; these widest segments are only about one-eighth of an. -i' - 1 > L ^' L A v i ? i Fig. 62.—Taenia Expansa (from ox). a. Head. c, Mature segments. b, Neck. d, Partially developed segments. inch long. The specimens infesting sheep measure only about one-half inch in width. The worm is thin and segments translucent; each segment is pro- vided with two genital pores ; one located at each margin. This worm may reach the length of twenty to forty feet. Life Cycle.—Animals are supposed to become in-. 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 work.. Kaupp, Benjamin Franklyn, 1874- [from old catalog]. Chicago, A. Eger