TIIE GUIDE TO NATURE— ADVERTISEMENTS 
XIII 
TRAVEL 
THROUGH EUROPE 
SCANDINAVIA, JAPAN AND CHINA 
AROUND THE WORLD 
Reservations and Tickets Everywhere. 
W. A. WATERMAN 
180 Archer Ave., Mount Vernon, N. Y. 
506 Fifth Ave., New York, N. Y. 
BENNETT’S TRAVEL 
BUREAU 
Another “Gu'de to Nature” 
BIOLOGICAL SUPPLIES 
Preserved material of ail the principal forms from Protozoa to Mammalia. For 
the use of schools, colleges, museums, and the collector. Also Life Histories and 
Metamorphoses, Nature studies, Habitat groups, Mimicry, etc. 
Microscope slides and botanical material. A large stock on hand, new things con- 
tinually added. 
Catalogue No. 2 (Botany) and catalogue No. 4 (Slides) now ready. New Zoology 
catalogue out in April. 
The world renowned 
MARINE BIOLOGICAL LABORATORY 
Woods Hole, Mass. 
For catalogues and other information address 
GEORGE M. GRAY, Curator 
PHOTOGRAPHERS 
Professional and Amateur 
Write at Once 
for the 
Willoughby Bulletin 
NO. 137G 
of 
New and Used 
CAMERAS LENSES 
DODSON WREN 
HOUSE 
4 compartments, 28 
inches high, 18 inches 
in diameter. 
A SUMMER HOME ! 
All song birds raise two, and 
usually three, broods of young 
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 Atidubon Ass’n. 
714 S. HARRISON AVE., 
KANKAKEE. ILL. 
Dodson Sparrow Trap guaranteed to rid your community 
of these quarrelsome pests. Price $8.00. 
PHO TO GRAPHIC EO U1PMENT 
New issue now ready 
GHAS. G. WILLOUGHBY. Inc. 
no WEST 32 ND ST, NEW YORK 
Just What We Want to Know! 
At a banquet given by a large body 
of educators the speaker of the evening 
rose and began his address with the 
words, ‘‘Long live the teachers!” He 
was interrupted by a tall, emaciated 
young man who rose from the rear of 
the room and in a sepulchral voice 
queried, “On what?” — Everybody’s 
Magazine. 
