N. SLUIS & SONS, CHICAGO. ILLINOIS 
29 
Insecticides and Spraying Materials 
Black Leaf 40. A solution of Nicotine Sulphate 
used as a liquid spray only to kill plant lice and 
other soft'bodied sucking insects; harmless to 
plants. Full directions with each can. 5-oz. 
bottle, ^1.00; 1-lb. can, ^2.25; 2-lb. can, ^3.25. 
Corona Dry (Arsenate of Lead). For all leaf' 
eating insects. Sticks well to the leaves; can 
be used wet or dry. 1-lb. pkg., 30c; 5-lb. 
pkg., ^1.25; case (30 lbs.), ^6.00. 
Protect Your 
Seed Corn 
During the period 
when it is most 
easily damaged, by 
ridding your crop of 
crows and other 
corn - pulling birds 
and animals. It saves 
loss of seed and labor of re¬ 
planting. It positively will 
not clog any planter. It is 
non-poisonous and will not 
injure the seed or any kind 
of corn. It is more effective, 
more convenient to use, and 
more economical than any 
other material. 
LARGE CAN, ^ 1.00 
{Enough for 2 bu. of seed corn) 
SMALL CAN, .60 
{Enough for 1 bu. of seed corn) 
STANLEYS , 
SAVES 
replanting 
^niwi HiiLroiniui>t“| 
NEW BdITAlHlOl* 
uJ-A. 
Calcium Arsenate. Mostly used for spraying pO' 
tato crops. 4-lb. pkg., 75c; 100 lbs., ^13.00. 
Flowers of Sulphur. Used in dusting grape vines 
and other crops. Lb., 15c; 10 lbs., ^1.00. 
Bordeaux Mixture. Used for spraying against 
blight and fungous diseases. 1-lb. pkg., 30c; 
5-lb. pkg., ^1.00. 
Tobacco Dust. 100-lb. bag, ^4.00; 500 lbs., 
^18.00; ton, ^64.00. 
Hammond’s Slug Shot. Widely known prep' 
aration for killing cabbage worms, potato 
bugs, etc. 5-lb. pkg., 75c; 10-lb. pkg., ^1.25; 
25-lb. pkg., ^3.00; 100 lbs., ^11.50. 
Pyrox. For wet spraying only. Kills leaTeating 
insects. 1-lb. can, 50c; 5 lbs., ^1.75; 10 lbs., 
^3.00. 
10 % TO 50 % Increase 
IN Crop Yield 
—no uncommon result of Seed-Pro¬ 
tection against damping-off—with 
CUPROCIDE 
The Red Copper Oxide That Stays Red 
How to Use Cuprocide 
The seed is dusted with a protective red coating oi 
Cuprocide. For treating small quantities up to a few 
pounds of seed, small glass jars are convenient, and by 
shaking and turning the container for some five min' 
utes, it will be found that the seeds are thoroughly 
coated with the red powder. 
1 -lb. can for 40 lbs. seed .^0.90 
5-lb. can for 200 lbs. seed . 3.50 
Beet seed requires double amount. 
Paris Green. A poisonous insecticide in powder 
form, for chewing insects; a very strong poi' 
son. 1-lb. can, 45c; 2-lb. can, 80c; 5-lb. can, 
^2.00; 14-lb. pails, ^4.50. 
Formaldehyde. Used for treating various seeds 
to prevent smut. 1-gal. bottle, ^2.20; Vi gal¬ 
lon, ^1.40. For larger quantities ask for special 
prices. 
Copper Sulphate. Used chiefly for spraying ceb 
ery; crystal or powder form. Per lb., 20c; 25 
lbs., ^3.00. 
Semesan. A seed disinfectant used to cure or 
prevent blight, smut, neck rot and wilt on cer' 
tain vegetables. The seed can be dusted with 
this chemical or soaked in wet solution. Prices, 
2-oz. can, 35c; 1-lb. can, ^2.25; 5-lb. can, 
^9.90; 25-lb. pail, ^45.50. 
Semesan Jr. Used for treating corn seeds. Prices, 
1-lb can, 75c; 5-lb. can, ^3.25; 25-lb. tin, 
^14.00. 
Semesan Bel. For treating bulbs, potatoes and 
roots. 1-lb. can, ^1.50; 5-lb. can, ^6.75. 
Use Semesan in the Hotbeds to Promote Heolthy Growth of Plants 
