oe oe 
4 P INSPECTION OF CHRISTMAS TREES AND. GREENS. 






















FB, Burgess, D. M. Rogers, and L..H. Worthley were in Washington during the 
Dae attend the hearing before the Horticultural Board on the quarantines of the 
BACK NUMBERS OF BUREAU MONTHLY LETTER. 
F It is possible in some cases to furnish the field stations with back numbers 
Ee ans Bureau Monthly Letter and requests for same should be addressed to the Chief 
jlerk, Bureau of Entomology. 
NEWSPAPER CLIPPINGS WANTED. 
Field men should send any and all clippings relating to any forms of insects. 
Or insect damage, domestic or foreign, to the chief of the Bureau. 
a There is a small form, on which such clippings should be pasted, which will. be 
urnished the field force upon application. (L.0, Howard. ) 
RULES FOR THE GUIDANCE OF AUTHORS IN THE PREPARATION OF BIBLIOGRAPHIES. 
H. H. Baldridge, Editorial Office. 
_ In the preparation of bibliographies the Bureau uses the same style as that 
Bert’ by the Journal of Agricultural Research. For the benefit of the authors of 
listins and articles, a few leading points are here mentioned. 
‘The essentials of reference are: Author’s surname and initials; title of arti- 
ole or book; title of periodical, followed by number for series, volume, number or 
art; pages; plates; figures; and date of publication. (See examples below.) _ 
Where the author wishes to note a particular page in a reference, he may do so 

@ bibliography the full paging of the article or book should be given. 
‘Bibliographies may be arranged either chronologically or alphabetically. 
4 | LITERATURE CITED 
_ GHRONOLOGICAL: 
(1) Say, Thomas. 
1826. Descriptions of new species of coleopterous insects inhabiting 
the United States. In Jour.Acad.Nat.Sci., v.5, p.293-304, 
(2) Crotch, G. R. 
1873. Revision of the Coccinellidae of the United States. In Trans. 
Amer .Ent.Soc., v.4, p.363-382. 
(3) Casey, T. L. | 
1899. A revision of the Amardoas Coccinellidae. In Jour.N.¥.Ent.Soc., 
, "Vol, D. 71-163. ' 
; ALPHABETICAL: 
) bn: Gibson, Arthur. 
(1912. Cutworms and army-worms. Canada Dept.Agr.Div.Ent.Bul.3 (Exp. 
Farms Bul.70), 29p., 10 fig., Ipl. 
and brown-tail moths. It was decided by the Board that phe present provision — 
‘a eee the page in the text, as follows; “Say (1, p. 308), in 1826...6t0." In 

a ne 
Ch eee et a A 
