95 



LABORATORY EXPERIMENTS WITH CARBON BISULPHID. 



By F. L. Washburn, St. Anthony Park, Minn. 



[Withdrawn for publication elsewhere.] 



The committee on bibliography presented the following resolution 

 relative to the publishing of a bibliogTaphy of current economic 

 entomology : 



To facilitate tlie more prompt distribution of information on the literature 

 of economic entomology, the Association of .Economic Entomologists respect- 

 fully request the Office of Experiment Stations of the United States Depart- 

 ment of Agriculture to enlarge its present bibliographical work in this direc- 

 tion, in accordance with the following suggestions : 



(1) That the bibliography now being published by the Office of Experiment 

 Stations in the Experiment Station Record be issued also as a separate, and 

 that a copy be mailed to each mem))er of the Association. 



(2) That copies of this bibliography be printed on stiff paper in such form 

 that they may be cut apart and used as a card catalogue, a copy of this style 

 of issue to be sent to each member of the Association desiring it. 



(3) That the monthly reports be combined at the end of each year, properly 

 classified bj^ subjects, and reissued as a special bulletin with full index. This 

 yearly bulletin to be puldished by the Office of Experiment Stations or by the 

 Bureau of Entomology, as may be arranged, and to be in effect a continuation 

 and supplement of the Bibliography of Economic Entomology, published hith- 

 erto from time to time by the Bureau of Entomology. 



C. L. Marlatt, 

 H. T. Fernald, 

 E. D. Sanderson, 



Committee. 



On motion the report of the committee was adopted. 



Mr. Sanderson reported for the auditing committee that the report 

 of the treasurer has been examined and found correct. On motion 

 the report of the committee was adopted. 



The following paper was read : 



SOME NOTES ON THE FUMIGATION OF HOUSEHOLD INSECTS AND 

 THEIR EGGS WITH HYDROCYANIC-ACID GAS. 



By .J. L. Phillips. Blackshiirg, Va. 



Some buildings used as living apartments near Blacksburg were 

 found in the early siunmer of 1904 to be plentifully supplied with 

 Clinocoris leetnlaria Linn, in all stages of development. It was 

 finally decided to fumigate one of these buildings with hydrocyanic- 

 acid gas. The building is a four-story brick and contains approxi- 

 mately 150,000 cubic feet of air space distributed in eight sections. 

 The windows Avere tightly wedged, and then calked with old cloth 

 to prevent as much as possible the escape of the gas. The quantities 

 used were 80 avoirdupois pounds of potassium cyanide, 90 pounds of 

 sulphuric acid, and i*40 pounds of water. The water and acid were 

 first put into the jars, of which there were one or more to each section, 



