f January, 1913 
HOUSE AND GARDEN 
77 
to be the best vehicle for carrying poison, 
as it is readily eaten by the rodents and 
rarely by birds. 
the economic relations of birds to 
FARMING 
Investigations by the bureau, in co¬ 
operation with the Bureau of Entomology, 
as to the relations of birds to the insect 
to determine what aid, if any, birds are 
likely to lend in checking the increase of 
the alfalfa weevil and retarding its spread, 
show that although the weevil has been 
established in this country only five or 
six years 31 species of birds have already 
learned to eat it. It is an interesting dis¬ 
covery that the English sparrow heads the 
list as a determined foe of the weevil, and 
that, if it is possible to utilize the services 
of the English sparrow against the for¬ 
midable insect foe, the alfalfa weevil, it 
will be part compensation for the damage 
done by that bird in other sections. 
Birds also prey upon the boll weevil 
while it is hibernating, while on the cot¬ 
ton plants, and during its autumnal migra¬ 
tion flights—the period when the weevil 
chiefly extends its range. 
The Biological Survey, by making a 
careful analysis of the stomach contents 
of different species of birds, can show 
their relation to agriculture and horticul¬ 
ture, whether beneficial or injurious, and 
approximate the good or harm they do. 
The importance uf this work is very great. 
A Farmers’ Bulletin entitled “Some 
Common Birds in Relation to Agricul¬ 
ture,” which was issued many years ago, 
has always been in great demand, and 
over 500,000 copies have been distributed. 
In order to furnish additional literature 
along the same lines, two other Farmers' 
Bulletins on familiar species of birds have 
been prepared, one dealing with some com¬ 
mon game, aquatic, and rapacious birds in 
relation to man, and the other treating of 
the common birds of forest, field, and 
garden. 
DISTRIBUTION AND HABITS OF NATIVE 
MAMMALS AND BIRDS 
The basis of most of the work is scien¬ 
tific investigation, and in this field the 
most notable accomplishments have been 
the systematic collection and publication of 
data regarding the distribution and habits 
of native mammals and birds, and the 
preparation of maps showing the natural 
life zones of the country. Each of these 
zones is especially adapted to the growth 
of special crops and marks the limits 
within which certain varieties of fruits 
and cereals produce the greatest yield or 
beyond which they are not likely to be 
commercially successful. 
Maps showing the ranges of individual 
species have also been published, and have 
proved useful in co-operative work with 
the Public Health Service in outlining the 
range of mammals which carry the tick 
responsible for the deadly spotted fever 
in the Bitter Root Valley, Mont., and the 
area occupied by the ground squirrels in 
California which transmit bubonic plague. 
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EVERYTH I NG for the GARDEN 
is the title of our 1913 catalogue —the most beautiful and complete horticultural publi¬ 
cation of the day. — really a book of 204 pages, 8 colored plates and over 800 photo 
engravings, showing actual results without exaggeration. It is a mine of information 
of everything in Gardening either for pleasure or profit and embodies the results of 
over sixty-six years of practical experience. 
To give this catalogue the largest possible distribution we make the following liberal 
offer: 
Every Empty Envelope 
Counts As Cash 
To everyone who will state where this advertisement was seen and who encloses 
Ten Cents we will mail the catalogue 
And also Send Free of Charge 
Our Famous 50 Cent “HENDERSON” COLLECTION OF SEEDS 
containing one packet each of Ponderosa Tomato, Big Boston Lettuce, Scarlet Globe 
Radish, Henderson's Invincible Asters, Mammoth Butterfly Pansies and Giant 
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accepted as a 25 cent cash payment on any order amounting to $1.00 and upward. 
In addition, all ordering from this advertisement will receive a copy of our new 
Garden Guide and Record. This is a handbook of general garden information, 
planting tables, cooking recipes, cultural directions, etc., etc., and in all is one 
of the most' necessary and valuable of our many publications. 
PETER HENDERSON GCOsmIs 
In writing to advertisers please mention House and Garden. 
