XVI 
THE GUIDE TO NATURE— ADVERTISEMENTS 
Cut Down Your Costs. 
We’re doing it by increased production- 
You can do it by buying direct. 
Game heads, Amo robes, Rugs and tanned furs of all kinds at prices based 
on costs of years ago. 
Semiprecious stones cut and uncut at collector’s rates. 
Butterflies for jewelry and art work by the thousands. The largest stock 
in the country to choose from. 
Supplies of all kinds for the Naturalist, whether a Botanist, Biologist, 
Mineralogist, Geologist, Taxidermist, Entomologist. No matter what you 
are, we’ve got the supplies you need. What’s more, we manufacture most of 
them ourselves, right here, the best of their kind. What’s most! We give 
you the manufacturer’s price. Why pay for another profit? 
Write us today for a catalogue; we’ll send tomorrow. 
WARD’S NATURAL SCIENCE ESTABLISHMENT 
84-102 College Avenue, Rochester, N. Y. 
“Over fifty years of Service.” 
It yields comfortably to the shape of 
the body, is soft yet firm, and induces 
perfect relaxation and rest. The Oster- 
moor Mattress is scientifically built, not 
stuffed like horsehair; it cannot get out 
of shape and is sanitary. Replace with 
Ostermoor as your old mattresses be- 
come uncomfortable. 
At your dealer’s, or we will ship direct; 
express prepaid. Write for 144-page Cat- 
alog-mailed free. 
Ostermoor & Co.. 114 Elizabeth St, 
New York. 
Canadian Agency: 
Alaska Bedding of Montreal, Ltd., Montreal 
Dogs Can’t Be 
Epicures 
They have to eat what’s given them. 
But if your dog is delicate or a 
dainty feeder, and you want to give 
him food which will stimulate his 
appetite, which he will eat with real 
enjoyment, which is pure and 
wholesome, and. above all, extreme- 
lv nourishing. 
GIVE HIM SPRATT’S 
IMPROVED MIDGET BISCUITS 
Write for sample and send 2c for catalogue 
“DOG CULTURE” 
SPRATT’S PATENT LIMITED 
Newark, New Jersey 
