. Fig. 154.âPortion of a grass stalk with three encapsuled cercariae of the common liver fluke {Fasciola kei^atica). X 10. (After Thomas, 1883, p. 291, Fig. 13.) â Xiffii^'...

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Keywords: ., bookcentury1900, bookdecade1920, booksubjectveterin, bookyear1920