. Bulletin (Pennsylvania Game Commision), no. 2. Game protection; Birds. 8 !No oue iilleuipls lo say, thai uui* birds alone are responsible lor the curbing- ul' iiisecl life, bill every one who lias lo any degree studied the question, says: "JJirds are great worlcers in this direction, and are worthy of protect ion in every way ; Dr. Jiornaday says: "Every one ol the percliing birds is worth its weight in gold lo tlie ; Jle says: ''it will indeed be a sad day i'«>r the American Agriculturist when the last insect-destroying bird is broughl llulleriug and
. Bulletin (Pennsylvania Game Commision), no. 2. Game protection; Birds. 8 !No oue iilleuipls lo say, thai uui* birds alone are responsible lor the curbing- ul' iiisecl life, bill every one who lias lo any degree studied the question, says: "JJirds are great worlcers in this direction, and are worthy of protect ion in every way ; Dr. Jiornaday says: "Every one ol the percliing birds is worth its weight in gold lo tlie ; Jle says: ''it will indeed be a sad day i'«>r the American Agriculturist when the last insect-destroying bird is broughl llulleriug and dwad lo the giound; then, if never before, will he ajjjireciaie the value of the allies he has lost forever; then, intleed, when ii is loo lale, will he be willing lo exchange any (juaniily of lieiries or chenies for just one ])air of living rol>ins, cat- birds, or oiher birds, so and neglected ; The Biological Survey, one of the Jkireaus of the Agricultural De- partment at WashingUm, D. C, whose duly it is to investigate and examine into the daily doings of birds from an economic stand-point, says: "Each family of our birds, almost wilhoui exception, is doing a work peculiar lo itself, a special work, that is of great value to the farmers an«l fruit growers of the Nation, and that entitles each family of birds to ; Without special consideration, we do not begin lo realize the possi- bilities of insect increase; many BpTOi^ so rapidly as to astound even the one wln) calculates. U. 8. Bullet in, >so. 3, page 44, estimates it possible for a single San Jose scale lo become the ancestor of ;i,L'l(;,0><!0,40() of its kind in one seas(m. 'J'his increase may be ex- ceptional, btii it demonstrates ihe possibilities and dangers, we are called upon to meet. If these calculations are correct, we can readilv understand why, this world would not be iidiabitable by man in a few years, if insect life were permitted to increase
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbirds, bookyear1911
