Kerosene Emulsion: 
Soap solution (cold) l S74 =" 2 gts. 
Kerosene | 3 gal. 
















‘\ a 
Be 
Put ‘the soap solution in a 5-gallon spray pump and spray back until a creamy 
am is formed; add small emount (1 pint) of kerosene and spray back until emulsion 
s started, may ine sure that the emulsion is forming before adding more kerosene; 
en add remainder of oil slowly, spraying back continuously. When the emulsion is 
iplete it will appear as whipped cream. Pour the emulsion made with 10 gallons 
kerosene into the mixing tank and add from 100 to 200 gallons of water and mix. 
Ss Mixture is then run into the dipping tank with the arsenic solution. In one 
> we skimmed off a very small amount of oil but in the other this was not neces- 
y, the Og Simply being stirred before animals were passed through. 
PUBLICATIONS ISSUED DURING AUGUST. 
2 The Argentine Ant: Distribution and Control in the United States, by Ernest R. 
| Ba ber; Department Bulletin No. 377, issued August 18. 
A NEW LIST OF PUBLICATIONS ISSUED. 
- A new list of publications of the Pevdmimont of Agriculture, has recently been 
/issued by the Division of epee This list covers all publications from July 
‘1, 1913 and is revised to April 30, 1916. I+ may be had by applying to Mr. Jos. A. 
Arnold, Bditor and Chief, Division a Publications. 
LIBRARY 
‘Miss Mabel Colcord, Librarian. 
NEW Books 
pn, es Ra The natural history of bees. Lond. 1744. 4652p. illus., fold. pl. 
in Finland ar 1913, ed. Walter M. 
. 68p. map. 
Betis ofver skadeinsekter upptradand 
Linnaniemi. Helsingfors, dS 
icine: W, M. & Ellis, W. 0. Some insect enemies of shade and ornamental 
shrubs. 1123p. illus., col.pl. (N.Y. State College of Forestry, Syra- 
cuse univ. Bul. v.16 no.26, 191i 
Brock, Mt. van der and Schenk, P. J. Ziekten an beschadigungen den tuinbouwge-_ 
wassen. Groningen, 1915. av. 1. Dierlijke en plantaardige, 
parasiten. 2, Bestrijdingsmeddelen en Wettelijke voorschriften. 
: Disté, nt, o , Fauna of British India including Ceylon and Burma. Rhynchota. 
| v.6.-Homoptera: Appendix. London, March, 1916. 248p. illus. 
Dedeeon, Gerald C. The boll worm in Egypt. London, 1916, 36p., If col.pl., 
(Reprinted from Trans. Third Internat. Cong. trop. agr. held at the 
imperial Institute, London, June, 1914) 
