C. N. Ainslee.
An Improved Collecting Bottle.
Psyche 22:211, 1915.

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19151 AinslieÌÔA Improved Collecting Bottle 211 Muls., August 13, 1912, and many other records. Oedionychis
limbalis Melsh., May 3, 1913.
Tenebrio molitor L., July 6, 1908.
Stronqylium tenuicolle Say,
June 27, 1908. Hymenorus discretus Casey, June 28, 1908; August 34, 1909; June 25, 1913.
Hymenorus niqer Melsh., June 20, 22,
and 24, 1908.
Hymenorus melsheimeri Casey, August 4, 1910 Mycetochares megalops Casey, May 30, 1911. Carebara languid
Lee., July 10, 1907.
Orchesia castanea Melsh., August 13, 1912. Salpingus virescens Lee., August 12, 1912. Capnochroa fuliginosa
Melsh., July 17, 1912.
Glipodes sericans Lee., August 4, 1910.
Mordellistena dimidiata Helm. July 4, 1908. Notoxus anchora Hentz, July 4, 1908; June 28, 1910. Notoxus monodon Fab., August 17, 1911. Dendroides concolar Newm., June 3, 1912. Macrobasis torsa Lee., June 15, 1908.
Hylobius pales Hbst., May 24, 1908; April 17, 1910. Pachy-
lobius picivorus Germ., August 14 and September 3, 1910. Cono- trachelus nenuphar Hbst., May 30, 1908.
Conotrachelus elegans
Say, May 27, 1908. Cryvtorhynchus bisignatus Say, June 29, 1913. Balaninus uniformis Lee., August 19 and September 5, 1912. Crgpturgus atomus Lee., August 5, 1910. Cratoparis luna- ins Fab., July 31, 1911.
AN IMPROVED COLLECTING BOTTLE.
BY C. N. AINSLIE,
U. S. Department of Agriculture, Bureau of Entomology, Cereal and Forage Insect Investigations.
In common with many other entomologists, I have been greatly annoyed by the condensing of the moisture on the inside of my collecting bottle. I notice that some entomologists make a hole in the cork and place a lump of cyanide therein, but in my experi- ence it is only a matter of a few days until the cork becomes damp and sticky and unfit for use, especially in rainy weather. The writer has recently adopted the plan of sinking a 9 x 36 mm. shell vial in the cork, with the mouth of the vial opening into a larger bottle or tube, whichever may be used. If these 9 x 36 mm. vials are too long they may be cut off so that the opening will be flush with the surface of the cork, although I prefer to have them



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