...It aids digestion, and in case of a female, asthis was, wards off an attack of the nerves... 
Various 「Hunting in Many Lands」
...Myological formulae suggested by Garrod (1873, 1874) havebeen extensively used by taxonomists as aids in characterizing theorders of birds...
William B. Stallcup 「Myology and Serology of the Avian Family Fringillidae」
...Theaddition of a dilute solution of caustic soda or potash greatly aids theexamination, as it removes the layer of cells adhering to the fungus, whichobscures the structure...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...Ampulla-like: flask-shaped; applied to a vascular sacat base of antennae which aids in the blood circulation of headand its appendages...
John. B. Smith 「Explanation of Terms Used in Entomology」
...A uselessburden of metabolic demands is placed upon the organism becausethe character no longer aids the survival of the organism...
Richard C. Fox 「The Adductor Muscles of the Jaw In Some Primitive Reptiles」
...No doubt the darkness gives thema sense of security which aids their work...
Royal Dixon 「The Human Side of Animals」
...In the latter part of August the busy season begins,and each and every beaver, old and young, aids in repairing the dam anddwellings, which have been allowed to fall into decay...
Royal Dixon 「The Human Side of Animals」
...He is an active and lively animal; an excellent climber of trees, in which the sharpness of his claws greatly aids him; and he will even venture to the extremity of slender branches...
Samuel Griswold Goodrich 「Illustrative Anecdotes of the Animal Kingdom」
...They are so persistent that brotherreturns her to sky where she still lives and aids women who make dawak...
Fay-Cooper Cole 「Traditions of the Tinguian: A Study in Philippine Folk-Lore」
...Before his time theprincipal aids to observation were the Gregorian and Newtoniantelescopes of , and the small achromatics of ...
Edward Singleton Holden 「Sir William Herschel: His Life and Works」
...This lack of material aids makes the work of TychoBrahe, accounted one of the greatest observers that has everlived, as notable in its way perhaps as that of Copernicus...
Dorothy Stimson 「The gradual acceptance of the Copernican theory of the universe」
..."To invoke such aids is to avow hisdefeat" is M...
Dorothy Stimson 「The gradual acceptance of the Copernican theory of the universe」
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