...—Fur short and downy; fulvous ashy, or dull light ashybrown colour, denser and paler beneath; the hairs whitish at thebase; membranes dark brown... 
Robert A. Sterndale 「Natural History of the Mammalia of India and Ceylon」
...—The upper third of the outer margin of the ears deeplyemarginate; colour of fur light brownish; ears and interfemoralmembranes pale yellowish white; membranes dusky white...
Robert A. Sterndale 「Natural History of the Mammalia of India and Ceylon」
...In easy birthsthe pups invariably come into the world enveloped in their membranes, andthereby their egress seems to be greatly accelerated...
Dinks, Mayhew, and Hutchinson 「The Dog」
...This ailment—an inflammation of the mucous membranes of the nose,etc...
Robert Jennings 「Sheep, Swine, and Poultry」
...The visible membranes have a bluish tint (cyanotic) from interferencewith the air supply...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...One caneasily understand how inflammations and other causes of disturbed circulationin the womb, fetal membranes, or fetus would cause similar distortions andvariations in the growing fetus...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...In theuterus the fetus is surrounded by several membranes which are known as theamnion or inner layer, the allantois or central layer, and the chorion or outerlayer...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
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