N. SLUIS & SONS, CHICAGO, ILLINOIS ide 
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, $1.10; 1-lb. can, $2.60; 2-lb. can, $3.70. 


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 Sach sara! | 
(Enough yor 1 bu. of seed corn) 









Protect Your Seeds With 
CUPROCIDE 
Cuprocide is an orange-yellow fine dusty powder 
used to prevent seed decay. For treating small lots of 
seeds a glass jar is convenient. Put seeds and dust in 
jar and shake until seeds are thoroughly coated. For 
large quantities a barrel may be used. 
Amount of CUPROCIDE for 

100 lbs. 
Seed 
10 lbs. 
Seed 
Willey. 
KIND OF SEED are 

Pea,* cucumber, melon, squash 
and all large seeds 1/6 tsp. | 1% tsp. 3 ozs. 

Sugar beets, spinach, eggplant, 
beet, tomato, lettuce, celery, 
14 lbs. 
114 lbs. 
1 tsp. 12 tsp. 

Grass, clover, alfalfa 
1 tsp. 
12 tsp. 


Sweet pea, petunia, snapdragon, 
calendula, zinnia, aster, pansy, 


1 tsp. 12 tsp. 114 lbs. 


Seedlings. When plants are grown under crowded 
conditions, as in greenhouse or hotbed, ‘\damping-off” 
or “black leg’, may attack them at the surface of the 
soil. To prevent this apply Cuprocide in a water solu- 
tion in sprinkling can. Sprinkle seed bed right after 
planting and repeat at intervals. Follow directions on 
bag. Price: 3-lb. bag, $1.65. 
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 (48 lbs.), $11.50. 
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., 20c; 10 Ibs., $1.50. 
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., $1.20; 25-lb. pkg., $5.50; 
100 Ibs., $20.00. 
Pyrox. For wet spraying only. Kills leaf-eating 
insects. 1-lb. can, 60c; 5 lbs., $2.00; 10 lbs., 
$3.80. 
Paris Green. A poisonous insecticide in powder 
form, for chewing insects; a very strong poi- 
son. 1-lb. can, 50c; 2-lb. can, 90c; 5-lb. can, 
$2.25; 14-lb. pails, $5.00. 
Pyrocide Dust No. 5. Kills cabbage worms. 
5-lb. pkg., 75c; 25 lbs., $3.00; 100 Ibs., $11.50. 
Pyrocide Dust No. 10. Kills chewing and suck- 
ing insects quickly. 5-lb. pkg., $1.25; 25 Ibs., 
$5.00; 100-lb. drum, $18.50. 
Formaldehyde. Used for treating various seeds 
to prevent smut. 1-gal. bottle, $2.00; 2 gal- 
lon, $1.20. For larger quantities, ask for special 
prices. 
Per lb., 40c. 
Copper Sulphate. Used chiefly for spraying cel- 
ery; crystal or powder form. Per lb., 25c; 25 
Ibs., $4.50. 
Formacide Dust. 
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, 40c; 1-lb. can, $2.50; 5-lb. can, 
$11.40; 25-Ib. pail, $52.50. 
Semesan Jr. Used for treating corn seeds. Prices, 
1-lbe can, 7 2c}o-1b. scan, 6953226 25-1b. tin, 
$13.00. 
Semesan Bel. For treating bulbs, potatoes and 
roots. 1-lb. can, $1.65; 5-lb. can, $7.15. 

Save all Food Crops by Dusting or Spraying as Soon as Insects Appear 
