...The white pustules areslightly elevated above the surrounding skin... 
William E. Duellman 「Neotropical Hylid Frogs, Genus Smilisca」
...,and here and there groups of pustules, each of whichcontains a drop of thin pus...
Mrs. Leslie Williams 「A Manual of Toy Dogs」
...Almost all the hair falls off; and the poor little creature is thin, andnearly naked, while the surface of the body is covered with dark patches,and comparatively large pustules...
Dinks, Mayhew, and Hutchinson 「The Dog」
...Impetigo is an inflammatory disease of the skin, characterized by theformation of distinct pustules, about the size of a pea or a bean, withoutitching...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...If calves are allowed tosuckle the cows the pustules become confluent, and the ulcerations may extendup into the teat, causing garget and ruining the whole quarter of the udder...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...The skinhad numerous light-colored pustules 1 to 2 mm...
Henry S. Fitch 「Ecology of the Opossum on a Natural Area in Northeastern Kansas」
...A dermal fold from posterior edge of eyelid to rump;scattered pustules on dorsum...
William E. Duellman 「The Amphibians and Reptiles of Michoacán, México」
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