Science to the rescue 

Michell’s Insect 
Destroyers, etc. 
Directions for Using Any of the Following Will Be Found on Each Package 
AMMATE WEED KILLER. Ammate is not considered poisonous 
and may be used safely on weed-infested areas without danger to 
livestock and humans. It is entirely free from fire or explosion 
hazards and actually has inherent fire-retardant properties. Am- 
mate usually exerts only temporary soil-sterilizing effects, varying 
with the soil. Treated areas may often be used for growing crops 
coene the same season. 2-Ib. size 75c; 6-Ib. size $2.00; 50 Ibs. 
2-4. Dow Weed Killer, Powder Form. (70% Dichlorophenoxyace- 
tic Acid.) 20 ounces makes 100 gallons of spray, 150 to 250 gallons 
required per acre, depending on size of weeds. 20 ounces covers 
about 14 acre. 20-0z. can $3.10; 10-Ib. drum $21.00. 
2-4. Dow Weed Killer, Liquid Form. (20% by weight of 2-4 
Dichlorophenoxyacetic Acid.) % gallon makes 100 gallons of 
spray, 150 to 250 gallons required per acre. A gallon covers approxi- 
mately an acre. Pint can $2.00; qt. $3.75; gal. $8.75. 
Aphine. For destroying aphis, green fly, thrips, red spider and other 
greenhouse and outdoor insects. It dilutes readily in water, about 
1 part to 40 of the Jatter. Qt. $1.00; gal. $3.25. 
Arsenate of Calcium. Used for spraying potatoes, cotton, tobacco, 
etc., against chewing and leaf-eating insects. One pound makes 40 
to 50 gallons. Lb. 25c; 4-lb. bag 70c; 24 Ibs. $3.75. 
Arsenate of Lead, Powdered. One to 114 pounds diluted with 50 
gallons of water, or may be used dry, like Paris Green. Lb. 40c; 4 
Ibs. $1.30; 24 lbs. $7.50; 96 lbs. $28.80. 
Azofume—70 (Azobenzene). Kills red spider on roses including 
eggs. One pound fumigates 40,000 cubic feet. Apply like sulphur 
on cold steam pipes. Turn on the heat to vaporize. No more 
syringing, no more black-spot or spider. 5 Ibs., $2.25 per lb.; 10 lbs. 
$2.00 per lb; 25 lbs., $1.75 per Ib.; 50 lbs., $1.50 per Ib.; 100 lbs., 
$1.25 per Ib. 
AZOFUME ‘‘45’” CANDLES. Used for fumigating greenhouses for 
the control of red spider and other mites. Four Azofume Candles 
weigh approximately one pound and will treat 25,000 cubic feet 
of greenhouse space. Wider range of safety permits its use on a 
great variety of plants. Carton of 24 Candles $10.80; case of 
4 Cartons (96 candles) $43.20. 
BENZO-FUME Pressure-Fumigators are guaranteed to contain 
not less than 17144% of azobenzene. Fumes generated in the Pres- 
sure-Fumigator can in which this specially compounded powder is 
packed, control greenhouse red spider. Directions are printed on 
each container, and we will supply circulars giving detailed instruc- 
tions, on request. 1-lb. tins, $5.50 per case of 12; 14-lb. tins, 
$3.20 per case of 12. 
Black-Leaf 40. Full directions on each package. 1-oz. bottle 36c; 
5 ozs. $1.05; lb. $2.42; 2 lbs. $3.92; 5 lbs. $7.40; 10 Ibs. $12.85; 
50-lb. drum $53.90. 
Bordeaux Mixture, Powder. A 1234 per cent copper mixture for 
spraying purposes. Lb. 30c; 4 Ibs. 90c; 48 Ibs. $8.50; 96 Ibs. $16.25. 
Bug Death. Contains natural Nicotine, Rotenone and Sulphur 
blended with a high-quality carrier that assures maximum killing 
power and coverage. It is effective on all vegetable crops; also 
leaf-hoppers and Mexican bean beetle. Lb. 35c; 5 Ibs. $1.25. 
- Carbolineum. A germicide and disinfectant for purifying poultry 
houses, stables, etc., also an excellent wood preserver when used as 
a paint. Gal. $1.90; 5 gals. $7.25. 
CATTLE FLY SPRAY. Repels horn and stable flies; kills flies by 
contact. Will not stain or mat hair. Has clean odor. Gal. $1.85. 
Ceresan, New Improved. For wheat. 4 ozs. 35c; Ib. 90c; 4 Ibs. 
$3.00; 8 lbs. $6.00; 40 Ibs. $26.40; 100 Ibs. $61.05. 
Ceresan. 2 per cent. For treating the seed of small grains, such as 
barley, oats, other cereals, narcissus and cotton. 2 to 3 ounces are 
required for 1 bushel of seed. 11 Ibs. $1.25; 434 lbs. $3.50; 25 Ibs. 
$16.09; 100 Ibs. $57.75. 
COPPER-ROTENONE. 0.75% Rotenone—insecticide and fungi- 
cide—rotenone combined with neutral copper for controlling many 
insects in flower and vegetable gardens, also fungous diseases re- 
sponding best to copper treatment. Lb. 45c; 5 Ibs. $1.35. 
Copper Solution. Excellent spray for carnation and snapdragon 
rust and disease of the grape, pear, apple and other fruits; also for 
leaf-blight and mildew. Pt. 80c; qt. $1.40; gal. $4.50; 5 gals. $19.00. 
CORNFUME. YOU USE IT ONCE—AND THE JOB IS DONE. 
Cornfume utilizes ingredients which have given excellent results 
incorn earworm control. Especially designed pump used for Corn- 
fume gives exact quantity needed for the proper application. One 
shot does the work. Does not affect the flavor of the corn when used 
as directed. Non-poisonous to humans and animals when used for 
corn earworm control. pt. 60c; full pt. 95c. Pump and 14pt. 
combination $1.50. 
Cuprinol Green. Insects and fungi just don’t go in wood treated 
with Cuprinol. This excellent wood preserver is harmless to plants. 
One gallon covers 400 sq. ft. Gal. $2.90; 5 gals. $14.00; 50 gals. 
$121.50. 
CUPRINOL CLEAR is a clear wood preservative. Cuprinol-treated 
wood may be painted, varnished, waxed, or finished in any way 
desired, although it protects equally well whether painted or left 
unpainted. It is excellent for treating wood for greenhouses, forcing 
frames, plant boxes, etc. Qt. 80c; gal. $2.90; 5 gals. $14.00. 
CUPRINOL FOR FLORISTS. Especially prepared for dipping 
flats, stakes, etc. Will result in considerable saving at these low 
prices. 5-gal. pails $9.25; 50-gal. drums $85.00. (Note: Use the 
regular Cuprinecl for wood on benches and other permanent con- 
struction where application is made by brush or spray.) 
Cyanegg. For generating hydrocyanic acid gas. Claimed to be the 
best remedy for killing the white fly. Do not use on sweet peas, as 
it destroys them. Lb. 50c; 5 Ibs. $2.25. 
CYANOGAS (Calcium Cyanide). G. Fumigant. A valuable in- 
secticide for greenhouse fumigation; eliminates aphis, thrips, white 
fly or soft scale. 5 Ibs. $3.00; 25 lbs. $10.00; 100 Ibs. $25.00. 
CYANOGAS (Calcium Cyanide). A Dust. For killing rats, moles, 
woodchucks and other rodents. lb. 45c; lb. 75c; 5 lbs. $3.00; 
25 Ibs. $10.00; 100 Ibs. $25.00. 
D-D* SOIL FUMIGANT. Provides control of root-destroying in- 
sects, particularly root-knot nematodes and wireworms. When 
poured into the soil, D-D vaporizes and kills these and other soil- 
borne pests. No applicator needed for small areas. D-D is for 
use before planting. 1 pt. treats 175 sq. ft. *Reg. TM—U. S. Pat. 
Off. Pt. $1.00; qt. $1.75; gal. $5.85. 
DEENATE - 25 - W (Du Pont). Wettable powder containing 25% 
D.D.T. For use on Agricultural Crops, Farm Animals and Farm 
Buildings. 4-lb. bag $2.25; 100-lb. drum $45.00. 
DEENATE 50% is used for the same purposes but it Is twice as 
effective and Is more economical than DEENATE - 25 - W. It 
ane far less residue than the 25% solution. 4 Ibs. $3.25; 100 Ibs. 
50.00. 
DE-K-PRUF is the result of intensive research to determine the 
most effective means of protecting wood and fabrics against decay. 
It is easily applied with a paint brush or a spray-gun. Qt. 80c; 
gal. $2.30. 
DETEX. A 25% D.D.T. spray that has been very favorably received. 
Because of other ingredients besides D.D.T., Detex has a strong 
deterrent effect on red spider, although it is not recommended for 
this pest. Compatible with most fungicides, it controls both major 
and minor greenhouse pests. Qt. $3.50; gal. $10.00. 
DN SULPHUR DUST NO. 10. To control spider mite on carnations 
only. Do not use on open flowers. 10-Ib. bag $3.50; case lots, 
5 10-lb. bags $12.50. : 
DN DUST NO. 12. To control spider mite, thrip, and rust on roses, 
callas, snaps, gardenias, and carnations. 10-lb. bag $4.50; case 
lots, 5 10-Ilb. bags $20.00. 
Dowfume?* G. An effective, inexpensive, easily handled soil fumigant 
which permits replanting m 2 to 4 days. It contains Methyl Bro- 
mide, a highly effective penetrating chemical especially toxic to 
nematodes (eelworms), soil insects, millipedes, centipedes, pill 
bugs, and certain other soil pests. 10 gals. $27.50. 
Dowfume Anti-Weed Gun (Macks). A highly satisfactory hand 
applicator adjustable to measure dosages from two to ten cc. per 
stroke. Recommended for the use of Dowfume. $20.00. 
Dowspray 17 has the same properties as D. N. Dust No. 12 with the 
exception that it is a spray. Use 34 pound of Dowspray 17 to 100 
gallons of water. Lb. $3.00. 
Dutox. A non-arsenical control for beetles and Jeaf-eating insects. 
Lb. 35c; 6 lbs. $1.60. 
Fermate is effective for diseases on apples, pears, sweet cherries, 
celery, tomato. Also for black-spot on Roses, Septonia Leaf Spot 
on Chrysanthemums and Snapdragon Rust. Lb. 70c; 25-lb. drum 
$17.50. 
Filmfast. A superior Spreader which should be added to all spray 
mixtures except oil sprays. Filmfast should be added at the rate 
of 3 pounds to each 100 gallons of spray solution. It contains no 
lime, so it can be used with Arsenate of Lead alone without danger 
of injury. 2 Ibs. 45c; 25 Ibs. $5.50; 100 Ibs. $19.50. 
Fish-Oil Soap No. 1. An excellent summer spray, when something 
stronger cannot be used, where the San Jose scale exists. It is nice 
for washing lemon trees, oleanders, and almost anything that would 
be infested with soft-shelled or, in fact, most any kind of insect. 
Lb. 30c; 5 lbs. $1.25; 10 lbs. $2.25; 25 lbs. $4.00; 50 Ibs. $6.25; 
100 lbs. $10.75. 

516 and 518 Market St., Philadelphia 5, Pa. Prices on this page subject to change. See 2d cover for Parcel Post Rates 79 
