the guide to nature— advertisements 
XV 
KrayolA 
An Artists' Drawing Crayon 
The box pictured contains 
24 crayons of the very best 
quality. For artists and 
Students 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 1 and 
catalog on request. 
E IN NET <x 
SMITH CO., 
81 Fulton St., 
New York. 
DREER5 
GARDEN 
BOOK 
1922 
Tins been enlarged 
and improved and 
special care taken 
to make it the best 
we have ever is- 
sued. Especially designed to 
help the amateur as well as the 
professional gardener, whether 
his specialty be Vegetables or Flowers. 
A large, comprehensive, handsomely illustrated 
book, showing in colors and photo-engravings many 
of the varieties offered, and giving cultural direc- 
tions which assure a successful garden. 
The EIGHTY-FOURTH edition of DREER’S 
GARDEN TOOK contains 224 pages, eight color 
plates, besides numerous photographic reproduc- 
tions. It offers the best Vegetable and Flower 
Seeds: Lawn Grass and Agricultural Seeds; Gar- 
den Requisites: Plants of all kinds, including the 
newest Roses, Dahlias, Hardy Perennials, etc. 
Write today for a copy which will be mailed 
free if you mention this publication 
HENRY A. DREER 
714-716 Chestnut St., Philadelphia, Pa. 
BIRD-LORE 
A Bi-Monthly Magazine 
EDITED BY FRANK M. CHAPMAN 
500 Pages, 6 Colored Plates 
150 Photographs 
Price yearly, one dollar and a half. 
It 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 mail you 
a specimen copy on request. 
D. APPLETON & CO. 
Harrisburg, Pennsylvania 
T Lili Ul< ^ <JLUUJ 1 — 1 he only magazine 111 the 
h.sh language devoted wholly to articles* dealing witi 
.\los>s»cs», Hepattcs*, and Lichens. Of interest to be- 
ginners and advanced students alike. Bimonthly, pub- 
lished by the Sullivant Mos9 Society, an orgamzatios 
for mutual help in moss study. Special curators Ui 
assist beginners. Membership fee, $1.50 per year, in- 
cluding the Bryologist, subscription alone, $1.25; Cana- 
dian postage 10 cents extra. Address Edward B. Cham- 
berlain. 18 West 89tb Street, New York City. 
AQUATIC LIFE monthly magazine will 
^ increase your enjoyment 
of the life in nature’s streams and in your home 
aquarium. Written by scientists to entertain all 
nature lovers who like to paddle in water and 
4tudy its manv forms of life. A iournal of popu- 
lar aquatic biology, not merely a fish fanciers’ mag- 
azine. Specimen copy free on request. Subscrip- 
tion, $1.25 per year. Joseph E. Bausman, Pub- 
lisher, 542 East Girard Avenue, Philadelphia. 
G. D. TILLEY, 
Naturalist 
“Everything in the Bird 
Line from a Canary to an 
Ostrich” 
Birds 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 and largest exclusive dealer 
in land and water birds in America ard have on hand the 
most extensive stock in the L T nited States. 
G. D. TILLEY, Naturalist, Darien, Conn. 
