For tli«' las! 2 or 3 years the infestation of the pink bollworm in 
the lower K G VaJley of Texas and across the international 
boundary in Mexico im's bee,;) the pause of considerable concern be- 
cause of the danger "1* spread into and through the main Cotton 
Belt. Tlif efforts to suppress this infestation have attracted con- 
siderable attention, tli" most recenl manifestation of which is Federal 
legislation approved A' [ ithorizing conv< g be- 
n representatives of the United States and Mexico to consider 
eradicating or controlling the pink bollworm in both countries by 
;i cooperal ive program. 
PUBLICATIONS AND EDITORIAL WORK 
During the year 503 manuscripts were presented for publication 
and 488 were approved, 98 being submitted to the Depart mem for 
publication and the remaining 390 to outside journal-. There re- 
mained on hand 168 manuscripts, L30of which were under considera- 
tion in the Bureau. 18 were in the Office of Information awaiting 
publication by the Department, and the remaining 20 were in pr> 
the Government Printing Office. Of the 130 in the Bureau. 7*', were 
being considered for publication by the Department and the remain- 
ing 54 for publication in outside periodicals. 
LIBRARY 
The use of the Bureau library showed an increase of over 13 percent 
in the loan and reference work this year. 
Several special bibliographies were prepared, among them r 
on the effect of X-rays on insects, on the effect of infrared raj 
insects, on the effect of ultraviolet rays on insect life, and on insect 
tropisms. The Index to American Economic Entomology and the 
special indexes in the Bureau library have been brought up to date, 
and Entomology Current Literature has been issued bimonthly. 
A number of very desirable exchanges have been effected through 
the Barnes collection, and many additions have been made to the 
collection of photographs of entomologists. 
INSECT PEST SURVEY AND INFORMATION 
The Survey added to the permanent files on the distribution and 
abundance of insects 25,100 notes on domestic insects and 11,500 notes 
on foreign insects, bringing the total now available for consultation 
to 315,250. There were added son species of insects to the existing 
record of approximately 20,000 species of American insect pe>t<. and 
the foreign-pesl file now contains over 22,000 specie-. To the host- 
plant file there were added S> new genera and 1C>;> new specie-, brinir- 
ing t he total- to L,125 genera and 2,600 Bpeciea 
The monthly [nsecl rest Survey Bulletin was augmented by supple- 
ments on Alfalfa Weevil Spread in L938; Alfalfa weevil Survey, Fall 
of L937; Relative Abundance of the European Corn Borer in 1 
Distribution and Colonization of European Corn Borer Parasites in 
; The Field Status of Parasite* of the European Corn Borer in 
the Fall of L937; Grasshoppers, Species and Distribution in the L987 
Outbreak: Ih — lan Fly Survey al IlarveM Time, 1!»:> S : dime Beetles, 
