THE GUIDE TO NATURE— ADVERTISEMENTS 
XV 
TRADE. 
CrayolA 
An Artists Drawing Crayon 
The box pictured contains 
24 crayons of the very best 
quality. 
Students 
For artists and 
of Nature, to be 
used for 
sketching and 
general color 
work. 
“Crayola” is 
put up in all de- 
sirable styles 
of packing, 6 
to 24 colors in 
a box. 
Color chart x and 
catalog on request. 
dt 
SMITH CO., 
81 Fulton St., 
New York. 
BIRD-LORE 
A Bi-Monthly Magazine 
EDITED BY FRANK M. CHAPMAN 
500 Pages, 6 Colored Plates 
150 Photographs 
Price yearly , one d Alar and a half. 
Tt will tell you how to study birds, how 
to form and conduct bird clubs, how to 
make nesting boxes, feeding stands and 
bird baths. You may consult its Advisory 
Council, take part in its bird censuses and, 
in short, become one of the great frater- 
nity who finds in birds ‘ the most elo- 
quent expression of nature’s beauty, joy 
and freedom.” 
We will be glad to wail you 
a specimen copy on request. 
D. APPLETON & CO. 
Harrisburg, Pennsylvania 
QUEERS 
GARDEN 
BOOK 
1922 
Has been enlarged 
ard . improved and 
Special re taken 
to make it the be^t 
we have ever is- 
sued. Especially depiened to 
help the amateur as well as the 
professional gardener, whether 
his specialty be Vegetables or Flowers. 
1 , co, ] 1 P r ehe"sivc. handsomely illustrated 
book, showing in colors and photo-engravings many 
Of the varieties offered, and giving cultural direc- 
tm^s which assure a successful garden. 
edition of DREER’S 
. T ‘, OOK contains 224 pages, eight color 
plates, besides numerous photographic reproduc- 
ed,' Tt offers the best Vegetable and Flower 
cieeds : I awn Grass and Agricultural Seeds; Gar- 
den Renuisites; Plants of all kinds, including the 
newest Roses, Dahlias, Hardy Perennials, etc. 
II rite today for a copy which will be mailed 
free if you mention this publication 
HENRY A. DREER 
714-716 Chestnut St., Philadelphia, Pa. 
U ‘ lly in the L...u 
1 ‘‘ sh lai 'guage devoted wholly to articles dealing 
Mosses Hepatic* and Lichens. ot , merest to 1 * 
g-ners and advanced students alike. Bimonthly, „ ub 
‘shed by the Sullivant Moss Society, an oigamzauoa 
10. mutual help in moss study. Special curators to 
beginners. Membership tee, $1.5u per year 
eluding the Bryologist, subscription alone, $1.2 d- uii 
dian postage 10 cents extra. Address Edward B. Cham- 
berlam, 18 West 89th Street, New York City. 
AQUATIC LIFE mont hly magazine will 
( ,, ... . , increase your enjoyment 
the ,lfe m natures streams and in your home 
aquarium. Written by scientists to entertain ad 
nature lovers who like to paddle in water and 
’ >dv its manv forms of life. A iournal of popu- 
' r aquatic biology, not merely a fish fanciers’ mag 
7me ' *, S L ecimen copy free on re quest. Subscrip, 
non, $125 per year. Joseph E. Bausman, P„b- 
he r. 542 East Girard Avenue, Philadelphia 
G. D. TILLEY, 
Naturalist 
“Everything in the Bird 
Line from a Canary to an 
Ostrich” 
B rds for the House and 
Porch 
Birds for the Ornamental Waterway 
Birds for the Garden, Pool and Aviary 
Birds for the Game Preserve and Park 
SPECIAL BIRD FEEDS 
I am the oldest established ard largest exclusive dealer 
in land ard water birds in America ard have on hand the 
most extensive stock in the United States. 
G. D. TILLEY, Naturalist, Darien, Conn. 
