- §« 
Dr. E. A. Back returned to Washington on August 17, after examining, | 
in Boston, Mass., large and valuable stocks of mohair and alpaca wools, 
in Which clothes moths were multiplying in Such numbers as to cause concerns 
On August 28 R. C. Roark and W. E. Kirby, of the Bureau of Chemistry, 
and Dr. Back and E. A. Vaughan, of the Bureau of Intomlogy, visited the | 
Western ,Maryland Elevator Company, in Baltimore, to be present at a demon- 
stration of the fire hazards involved in the use of certain grain fumigants, 
Perez Simmons has recently returned from a trip to New England, where 
he Was on vacation leaves ane ‘ 

LIBRARY 
Mabel Colcord, Librarian 
NEW BOOKS 
Adin, ‘Robert,-*" = °. : eas 
Entomology, ancient and.present day. South london Ent. & Nat. Hist. 
Soce Proceedings 1924-1925, pp. 2g—bh, 
Andrews, H. W, 
Flies and disease, South Iondon Ent. & Nat, Hist.Soc. Proceedings, 
1924-1925, pp» 45-62, . 
Brants, A» 
Nederlandsche vlinders beschreven en afgebeeld door Mr. A. Brants, 
Afl. 1-2, 3-4, 5-6, 7-8, 's-Gravenhage, Martinus Nijhoff, 1905-1912. 
LOL poe, 8 cole.pls., (Derde’ seria. van Sepp's Nederlandsche Insecten. ) 
Brunetti, EZ, 
Diptera vol. III pupunculidae, Syrphidae, Gonopidae, Oestridae,. london, 
Taylor & Francis, 1923. 42k pp. 6 pls., 85 figs, (Fauna of British India, ) 
Cecconi, Giaacomo, nod 
Manuale di entomologie forestale [fasc. 10] pp- 593-680, Padova, 
Tipografia del Seminarice, 1924, 
Cowen, J» Be | | te: 
Organic chemistry for advanced students, ed, 4, London, Edward Arnold Co., 
1924, 3 vols, . 
Cunningham, Andrew. 
Practical bacteriology, Iondon, Oliver & Boyd, 192li, 188 ppe 
Donovan, E. 
An epitome of the natural history of the insects of China,yee London, 
T. Bensley, 1798, 50 cole plse 
Distant, W. Le 7G A 
_Rhynchota vol. VII Homoptera: Appendix, Heteroptera: Addenda. Iondon, 
Taylor & Francis, 1918, 210 pope, 90 figs. (Fauna of British India, ) 
