THE GUIDE TO NATURE— ADVERTISEMENTS 
XV 
DOD hous^ ren A SUMMER HOME ! 
4 compartments, 28 A11 song birds raise two, and 
inches high, 18 inches usually three, broods of young 
in diameter. each year, selecting a new nest- 
ing site for each brood of young, 
so if your houses are put out 
now they are sure to be occupied. 
DODSON HOUSES 
win the birds. Built by a bird- 
lover who has spent a lifetime 
studying their habits and how to 
attract them to beautiful Bird 
Lodge, his home on the Kan- 
kakee River. 
Free Bird Book sent on re- 
quest, illustrating Dodson Line, 
giving prices; also beautiful col- 
ored bird picture free. 
JOSEPH H DODSON 
Pres. American Audubon Ass’n. 
714 S. HARRISON AVE., 
KANKAKEE, ILL. 
Dodson Sparrow Trap guaranteed to rid your community 
of these quarrelsome pests. Price $8.00. 
Girl Scouts camp, hike and live close to 
Nature. Read about their good times in 
THE AMERICAN GIRL 
A Magazine for Girl Scouts and Girls 
who love Scouting. 
The American Girl will bring you suggestions 
for parties — stories and other things besides. 
Send for sample copy to 
THE AMERICAN GIRL 
189 Lexington Avenue, New York City. 
$1.50 a year — Single copy 15c 
Teacher — “Where was the Declara- 
tion of Independence signed?” 
Bright Pupil — “At the bottom, 
mum.” — Cincinnati Enquirer. 
Early Training Counts. 
The detail had just arrived near the 
front lines when the captain looked 
around and noticed a private, hatless 
and coatless. 
“Where’s the rest of your uniform?” 
he demanded. 
“Back where we came from.” 
"Go back and get it." 
The private vanished and later reap- 
peared, correctly uniformed, but with- 
out his rifle. 
“Where’s your gun?” 
“Left it back where we came from.” 
“Listen !” bellowed the captain. 
“You’re a fine soldier. What were you 
in civilian life?” 
“Plumber’s assistant.”— The Ameri- 
can Legion Weekly. 
What will the 
negative slow? 
There’s density and definition; detail in 
high lights and shadows; correctness of 
perspective; color value — consider all 
these. For the negative can show only 
what the lens throws upon it. And any 
picture worth taking at all is worth tak- 
ing as well as it can be taken. In other 
words, take it with one of the 
BAUSCH & LOMB 
PHOTOGRAPHIC LENSES 
In poor light — cloudy or rainy outdoors, 
on porches or indoors — good snapshots 
— better than many a time exposure — can 
be made easily through Bausch & Lomb 
Tessar Anastigmats (Ic, f:4.5 or lib 
f:6.3). And in bright sunlight they stop 
the fastest action blurlessly. 
Ask your dealer to put Tessar 
Anastigmat on your camera. 
Then you will see how pleasur- 
able photography can be. 
Bausch & [omb Optical (a 
NEW YORK WASHINGTON SAN FRANCISCO 
CHICAGO ROCHESTER. N. Y. London 
Leading American Makers of Photo- 
graphic Lenses, Microscopes, Projection 
Apparatus (Balopticons), Ophthalmic 
Lenses and Instruments, Photomicro- 
graphic Apparatus, Range Finders and 
Gun Sights for Army and Navy, Search- 
light Reflectors, Stereo-Prism Binoculars, 
Magnifiers and Other High Grade Optical 
Products. 
