Figure 3. — Inside of the cap after use, shov\ing the mat of insect 

 hairs trapped on the filter pad. 



making special culture media. At the same time it has no doubt lessened 

 the exposure of research personnel to allergenic insect hairs. 



In developing this device, the authors made use of common materials 

 available to them, including an instant-coffee jar, a common wire tea 

 strainer, and a tubeless-tire valve stem. Cost of making one dehairing 

 device was about $1. 



— BENJAMIN J. COSENZA^ 

 EDWIN A. BOGER 

 NORMAND R. DUBOIS 

 FRANKLIN B. LEWIS 



^ Development of the dehairing device was a result of a cooperative research project. 

 Dr. Cosenza, Mr. Boger, and Mr. Dubois are in the Bacteriology' Department of the University 

 of Gjnnecticut, Storrs. Conn. Dr. Lewis is an entomologist on the staff of the Forest Insect 

 Laboratory of the Northeastern Forest Experiment Station, New Haven, G)nn. 



4 



