...What is the use of mucus to the worm?... 
Worrallo Whitney 「A Guide for the Study of Animals」
...Their existence can generally be discovered by asmall portion of mucus, which, hardening, is found adheringto the anus...
Richard L. Allen 「Domestic Animals」
...These last, however, soon beginto swell, and a thick glairy discharge of simple mucus drains from them insmall quantities...
Dinks, Mayhew, and Hutchinson 「The Dog」
...The introduction ofthe finger cannot do otherwise than remove the mucus which Nature providesto lubricate the passage and facilitate the egress of the pup...
Dinks, Mayhew, and Hutchinson 「The Dog」
...The shell of an egg, chemically speaking, consists chiefly ofcarbonate of lime, similar to chalk, with a small quantity of phosphateof lime, and animal mucus...
Robert Jennings 「Sheep, Swine, and Poultry」
...At this stage he does not pass any dung,though sometimes a small quantity of bloody mucus may be passed...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...When the intestines are involved the patient strains todefecate, and passes shreds of intestinal mucus along with blood-stained feces...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...Thus, the mucousmembrane of the nostrils, from which flows a purulent and fetid mucus,is sometimes ulcerated and excoriated...
Honoré Bourguignon 「On the cattle plague: or, Contagious typhus in horned cattle. Its history, origin, description, and treatment」
...Lubricate -ous: covered with a slippery mucus...
John. B. Smith 「Explanation of Terms Used in Entomology」
...The gut at this part is defended from the acrimony of the urine, by the mucus secreted by two glands, which, probably for this reason, are very large in the male, but small in the female...
David Collins 「An Account of the English Colony in New South Wales, Vol. 2」
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