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-Ib. can, $3.25. 


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 tice 
(Enough jor 1 bu. of seed corn) 






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 of 
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-Ib. can for 40 Ibs. seed 
5-lb. can for 200 Ibs. seed 
Beet seed requires double amount. 
e.6 fee eee we ee uss 6 ¢e..6 
Corona Dry (Arsenate of Lead). For all leaf- 
eating insects. Sticks well to the leaves; can 
be used wet or dry. 1-lb. pkg., 35c; 4-Ib. pkg., 
$1.25; case (30 lbs.), $6.60. 
Calcium Arsenate. Mostly used for spraying po- 
tato crops. 4-lb. pkg., 80c; 100 Ibs., $15.00. 
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; 
4-Ib. pkg., $1.20. 
Tobacco Dust. 100-lb. bag, $4.00; 500 Ibs., 
$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-Ilb. pkg., $1.50; 
25-Ib. pkg., $3.00; 100 Ibs., $12.50. 
Pyrox. For wet spraying only. Kills leaf-eating 
insects. 1-lb. can, 50c; 5 lbs., $1.75; 10 Ibs., 
$3.00. 
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. 
Pyrocide Dust No. 5. Kills cabbage worms. 
5-lb. pkg., 75c; 25 Ibs., $3.25; 100 lbs., $12.00. 
| Pyrocide Dust No. 10. Kills chewing and suck- 
ing insects quickly. 5-lb. pkg., $1.25; 25 Ibs., 
$5.50; 100-lb. drum, $20.00. 
Formaldehyde. Used for treating various seeds 
to prevent smut. 1-gal. bottle, $2.00; 1/2 gal- 
lon, $1.20. For larger quantities, ask for special 
prices. 
Copper Sulphate. Used chiefly for spraying cel- 
ery; crystal or powder form. Per lb., 20c; 25 
Ibs., $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-Ib. pail, $45.50. 
Semesan Jr. Used for treating corn seeds. Prices, 
ibe cans 5C-2-lb.m can, = 43.2058: 25-|boea tit: 
$14.00. 
Semesan Bel. For treating bulbs, potatoes and 
roots. 1-lb. can, $1.50; 5-lb. can, $6.75. 

To Prevent Damping Off, Treat Spinach Seed with Cuprocide 
