. V Fig. 59.—The Shell of :us Teuncatllus A magnified, B a little larger than the natural size. they come into contact with some plant or other solid substance. Then each comes to rest, attaching itself perhaps to a blade of grass or other similar substance, drawing up its body into the form of a round ball, exuding a gummy, substance containing many granules, and throwing off" its tail. The gummy substance hardens to form a snowy-white envelope or cyst, which is attached to the grass or other object near at hand. Unless it is then swallowed by a sheep or some other animal which is
. V Fig. 59.—The Shell of :us Teuncatllus A magnified, B a little larger than the natural size. they come into contact with some plant or other solid substance. Then each comes to rest, attaching itself perhaps to a blade of grass or other similar substance, drawing up its body into the form of a round ball, exuding a gummy, substance containing many granules, and throwing off" its tail. The gummy substance hardens to form a snowy-white envelope or cyst, which is attached to the grass or other object near at hand. Unless it is then swallowed by a sheep or some other animal which is capable of becoming a host for the adult fluke, or even by a human being.
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Photo credit: © The Bookworm Collection / Alamy / Afripics
License: Licensed
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Keywords: ., bookcentury1800, bookdecade1880, bookpublisherlondo, bookyear1889
