FREE BULLETINS 
SENT ON 
REQUEST 
POISONS are used against surface 
chewing or biting insects. They are 
sprayed on the leaves and remain in the 
form of a thin film, or coating. Poisons 
act by being taken into the stomachs of 
the insects while eating. In this group 
come Paris Green, Arsenate of Lead, Cal- 
cium Asenate. 
POWDERED ARSENATE OF 
LEAD is an effective in- 
secticide for leaf eating 
insects on tender foliage. 
Prices: (Ib. 33c) (4-lb. bag 
72c). 
ARSENITE OF ZINC. A 
quick killing arsenical 
poison especially adapted 
for protection against 
beetles common on such plants as pota- 
toes, tomatoes, eggplants. 
Price: (4-lb. bag 80c each). 
CALCIUM ARSENATE. A strong, inex- 
pensive insecticide for use on hardy 
foliage. Not so adhesive as Arsenate 
of Lead but considerably cheaper. 
Prices: (Ib. 26c) (4 lbs. 50c). 
KRYOCIDE (as Cryolite). Can be dusted 
or sprayed. Severe tests show it does 
not injure delicate foliage. Is used to 
control vegetable and fruit crops. Dust- 
ing mix three to ten. Spraying dilute 
2 lbs. to 50 gallons. It is as effective 
as Arsenite of Zinc in-the control of 
bean beetle. Price: (Ib. 40c). 
KRYOCIDE (with Sulphur) for dusting 
only. Prices: (Ib. 50c) (3 lbs. 85c). 
PARIS GREEN is a 
sirong effective poi- 
son for leaf - eating 
insects. Is not rec- 
ommended for use 
on tender foliage. 
Prices: (¥%4-lb. carton 
18c) (Ib. 52c) (5 lbs. 
$2.35) (25 Ibs. $10.00). 
CUBOR (Rotenone Coated) DUST contains 
soluble and available forms of rote- 
none-bearing resins 
which materially raise 
the killing power by 
penetrating and dis- 
solving in the natural 
external and internal 
moisture of the insect. 
Impregnated, not mere- 
ly mixed, therefore uni- 
form and effective and 
leaves no arsenical 
residue. Recommended 
for leaf-eating and sap- 
& sucking insects. 
Prices: Cubor Dust “50”—(4-lb. bag 65c). 
Cubor Dust “75’—({50-lb. bag $7.70). 
Cubor Dust “100”°—(50-lb. bag $9.00). 
90 



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100 

Insecticides 
Ulustrations of im- 
portant leaf -eat 
ing insects: 



Na * y 
Nl ale Bhi 
TOMATO WORM 

POTATO FLEA BEETLE 

PRICES ARE 
NOT PREPAID 
UNLESS SPECIFIED 
CONTACT SOLUTIONS are used to 
combat sucking insects and various kinds 
of scale. Sucking insects obtain their food 
by inserting tubes or bristles under the 
surface and sucking the plant juices. 
Poisons will not affect them. Contact solu- 
tions are designed to act upon these by 
caustic action, or by clogging up their | 
breathing tubes. 
BLACK LEAF 40. Nicotine 
Sulphate is a contact 
spray to kill green and 
woolly aphis, plant lice, 
red spiders, cabbage 
aphis, onion thrips. Is 
. very effective for use on 
Sweet Peas and Roses. It 
is also very efficient for. 
poultry lice control at any 
season of the year. Is 
easily applied and quite 
economical. 
Prices: (oz. 35c) (5 ozs. 
$1.05) (Ib. $2.42) (2 lbs. $3. 57) (5 Ibs. 
$6.70) (10 lbs. $11.65) (50 Ibs. $46.80). 
BLACK LEAF 10 DUST is a specially pre- 
pared, high-strength nicotine dust de- 
signed for remixing with standard dil- 
uents or inert material and standard in- 
secticides. It meets the demand for a 
non-alkaline or neutral dust and may 
be mixed with a neutral carrier or com- 
bined with lead arsenate, rotenone, cal- 
cium arsenate or sulphur. Effective for 
control of aphis, lice and sucking in- 
sects. 
Prices, not prepaid: 
(80-lb. drum $29.20). 
ROTENONE GARDEN SPRAY (NNOR). 
“Double Action’’ NNOR Garden Spray 
makes available the tremendous killing 
power of Rotenone in a more effective 
form than ever. 
Prices: (l-oz. bottle 35c) (6-oz. bottle 
$1.00) (16-0z. bottle $2.15). 
P CH 20 DUST—An amazing new insecti- 
cide, non poisonous to humans or warm 
-blooded creatures, containing piperonyl 
cyclohexanone. For control of Mexican 
Bean Beetle, Leaf Hopper and Leaf 
Beetle on Beans, Cucumber Beetle, Al- - 
falfa Looper, Cabbage Looper, Diamond 
Back Moth and .Imported Cabbage 
Worm. Also for Garden Webworm, 
Colorado Potato Beetle, Potato Flea 
Beetle and Leafhopper. Also effective 
on certain species of AEA: and many 
other insects. 
Prices: (4-lb. bags 85c) (50-Ib. bags 
$9.00). 
ACME SPRAY SOAP will keep tree trunks 
free from insects; destroys the eggs in 
the crevices. It is effective against lice 
as well as mealy bugs, and is an effi- 
ene spreader to use with other insecti- 
cides. 
Prices: (lb. can 35c) (712-lb. carton $2.15). 

(10-Ib. tin $4.35) 
THE WESTERN SEED COMPANY, DENVER, COLORADO 
. 
