...Much child labor and the lack of protective devices made accidents painfully frequent...
W. E. B. Du Bois 「The Quest of the Silver Fleece」
...Thus far the protective work of the Audubon Association has beensuccessful...
William T. Hornaday 「Our Vanishing Wild Life」
...) Sportsmen'sAssociation, the Camp-Fire Clubs of Detroit and Chicago, and theNorth American Fish and Game Protective Association...
William T. Hornaday 「Our Vanishing Wild Life」
...But this is only because in many of the largerports, the protective laws are more or less operative and theoccupation of the plume hunter is carried on insecret ways...
William T. Hornaday 「Our Vanishing Wild Life」
...And you and I have seen one protective society after another,languidly organized, paying in a languid dollar or so per capitaeach year, and so swiftly passing, also to be forgotten...
William T. Hornaday 「Our Vanishing Wild Life」
...The Committee on Game Protective Legislation and Preserves is a strong, hard-working body, and it has rendered good service in the lines of activity named in its title...
William T. Hornaday 「Our Vanishing Wild Life」
...Bad repeal bills must be fought untilthey are dead; and good protective bills must be supported until thebreath of life is breathed into them by the executive signature...
William T. Hornaday 「Our Vanishing Wild Life」
...One of the most interesting phases of the study of butterfliesis to learn how often they take advantage in theirlife-history of any peculiarity of the food plant which hasa protective value...
Clarence M. Weed 「Butterflies Worth Knowing」
...Terrifying attitudes, protective attitudes assumed by some animals...
Worrallo Whitney 「A Guide for the Study of Animals」
...Only the tiny hummingbird,who also uses lichen as a protective and decorative device, concealsher nest so successfully...
Neltje Blanchan 「Birds Every Child Should Know」
...The most important of these in pyemia is abreak in continuity of the protective covering, as a wound, which affords anentrance into the tissues for the organisms...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...Sclavo, Sobernheim, and others have established that injections ofincreasing quantities of virulent cultures into immune animals produced a serumwhich has great protective value against anthrax...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...Lac: a mixture of resin, wax and other substancesproduced by certain scale insects as a protective covering...
John. B. Smith 「Explanation of Terms Used in Entomology」
...A protective rind, a kind of solidified foam, envelops this core, exceptat the top, along the central line, where the porous rind is replaced bythin overlapping leaves...
J. H. Fabre Bernard Miall 「Social Life in the Insect World」
...Our fashionable theorists have availed themselves of this brown and yellow to cite the Volucella as a striking instance of protective mimicry...
J. Henri Fabre Alexander Teixeira de Mattos 「The Life of the Fly」
...It would give me amusement, did my time permit me, to counter each example of protective mimicry with a host of examples to the contrary...
J. Henri Fabre Alexander Teixeira de Mattos 「The Mason-bees」
...We have it: the wizard's cap is a defensiveweapon, a protective crest...
J. H. Fabre 「The Wonders of Instinct」
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