. Parasites and parasitosis of the domestic animals : the zooÌlogy and control of the animal parasites and the pathogenesis and treatment of parasitic diseases . Domestic animals. Fig. 49.âGonio- cotes abdominalis (after Osborn, from Denny, Bui. No. 5, Bureau of Entomol- ogy, V. S. Dept. of Agr.). â Fig. 50.âLipeu- rus variabilis (after Osborn, from Denny, Bui. No. 5, Bureau of Entomol- ogy, U. S. Dept. of Agr.). Fig. 51.âMenopon pallidum (after Os- born, from Denny, Bui. No. 5, Bureau of Entomology, U. S. Dept. of Agr.). outline with median spots on each ring. General color pale yellow. Femal
. Parasites and parasitosis of the domestic animals : the zooÌlogy and control of the animal parasites and the pathogenesis and treatment of parasitic diseases . Domestic animals. Fig. 49.âGonio- cotes abdominalis (after Osborn, from Denny, Bui. No. 5, Bureau of Entomol- ogy, V. S. Dept. of Agr.). â Fig. 50.âLipeu- rus variabilis (after Osborn, from Denny, Bui. No. 5, Bureau of Entomol- ogy, U. S. Dept. of Agr.). Fig. 51.âMenopon pallidum (after Os- born, from Denny, Bui. No. 5, Bureau of Entomology, U. S. Dept. of Agr.). outline with median spots on each ring. General color pale yellow. Female 2 mm. in length. This species has not been often observed in this country. It is said to also occur upon certain, species of pheasants. Of the Liotheidae chickens are hosts to two species, Menopum trig- onocephalum and M. biseriatum. 5. Menopum trigonocephalum {M. pallidum; Menopon pallidum).â Head somewhat triangular, rounded in front and at the temples. Abdo- men of female elongated oval in outline, in male longer and narrower. Legs stout and hairy. Color light yellow. Female about mm. in length (Fig. 51). This is the most prevalent of all of the hen lice. It is an active runner and passes readily to other species of birds. 6. Menopum biseriatum {Menopon biseriatum).âHead somewhat crescent-shaped. Legs stout. Abdomen elongate. Has the same gen-. 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 Underhill, Benjamin Mott. New York : Macmillan
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectdomesti, bookyear1920
