4 
Remedies for subterranean insects—Continued. 
Keroseneiemulsion and resin-washie. = - ss 2ocio sae see ee ee 
Potash fertilizers: = 2. <. o25 cece coe ee ee eee 
Bisulphide of carbon ec nse .cne cap ee eee See = ee 
Sulbmierstomi 2.2255. seedsebe acces eee eee oe ee ee ee ee 
Bisulphide of carbon. = =< 222.2. frecest (oh 4a. Peso ee ook oe ae ee 
Caution. 22.222 2-5sse. teste Rc ace eee n seat eee oe 
Advantave of prompt treatment....<.5-02<-bec nese <2. ee eee 
Kolling insects asa profession. tosacscnthecoe oe ee eee eee 
The determination of the result of treatment ...................-------- 
Control of insects ‘by cultural methods, -. 2... =2.2525-2 28-3 e ee eee 
The profit in. remedial: measutes....-.22-<s0556-44eo see ee ee 
ILLUSTRATIONS. 
Fia. 1.—Illustrating the different classes of biting insects—all natural size 
(original!) 222 2252S acest shiek. Seo eee see eee tee oe 
2.—Illustrating the different classes of sucking insects—natural size and 
enlarged. :( original!) oo .o2. 28 soci. 22 oe eee ee 
3.—Tenting trees for gas treatment, San Diego, Cal. (author’s illus- 
tration): 22.02 jek soeee cca s genoa ease See ee ee 
4,—Method of hoisting sheet tent (after Craw)..........--------------- 
5.—Different methods of treating plants for insects (author’s illustration) - 
6.—Gasoline power-spraying outfit of the Division of Entomology, U. 8. 
Department of Agriculture (author’s illustration).......--..----- 
