April, '10] CURRENT NOTES 255 



recommend that the poison be applied first when the first squares appear and 

 that five applications be given at weekly intervals. In order to kill the great- 

 est possible number of weevils when the later applications are made, while 

 the cotton is budding, the poison must be blown into the squares. The first 

 application requires 2yo pounds per acre and the fifth 5 to 7 pounds per 

 acre. The margin of profit in poisoning is determined by the market price 

 of cotton and also by the cost of arsenate of lead and of labor. With cot- 

 ton at less than 8 cents, there would be practically no profit with the pres- 

 ent cost of labor and materials. 



The authors are to be commended in very clearly pointing out that the 

 treatment will he ineffective unless carefully done and their directions are 

 explicitly followed. The cautions given the planter are precise and every 

 effort is made to point out the possibilities of failure. Such an attitude on 

 the part of those bringing out a new remedy of such great economic impor- 

 tance to the whole cotton belt is most commendable and is worthy of emula- 

 tion. 



As the origin of arsenate of lead as an insecticide was incidental to the 

 campaign of Massachusetts against the gypsy moth, so the dry form has 

 been evolved as a boll weevil remedy, and will quite probably come into 

 wide use against other insects as it possesses many points of superiority to 

 other dry arsenicals. 



E. D. Sanderson 



Current Notes 



Conducted by the Associate Editor 



Dr. C. J. S. Bethune has recently resigned as Editor of Canadian Entomo- 

 logist, and has been made Editor Emeritus of that Journal. Dr. Bethune 

 edited the first five volumes when he was succeeded by Dr. Wm. Saundei-s 

 who edited the magazine for thirteen years. Dr. Bethune then again took 

 up the work and has continued it until the beginning of the present year, 

 thus editing twenty-eight of the forty-one volumes already issued. Dr. 

 Bethune is succeeded as editor by Dr. E. M. Walker of the University of 

 Toronto. 



William Morton Wheeler, Ph. D., Professor of Economic Entomology in 



Harvard University, delivered eight illustrated lectures during January at 



the University of Peimsylvauia on "The Development and Significance of 

 Animal Societies." 



Mr. Alfred F. Satterthwait of Middletown, Pa., has withdrawn from the 

 position of Assistant Economic Zoologist of Pennsylvania. Mr. Satterthwait 

 expects to continue in entomological work and is open for an engagement. 



The proposed memorial to the late Dr. James Fletcher will take the form of 

 a drinking fountain, consisting of a granite shaft with bronze medallion in- 

 scription. It will be erected at the Centi-al Experimental Farm at Ottawa, 

 Canada. 



The Connecticut legislature at its last session, appropriated $30,000 for a 

 fire-proof addition to the chemical laboratory of the Agricultural Experiment 

 Station at New Haven. The building is now being constructed and will be 

 ready for occupancy during April. Though a small portion of the new stinic- 



