26 



uient. The antennae cases are strongly curved, and are quite 

 wide in the middle. There are a few yellowish brown hairs 

 on the face and head, also on the first five segments, 

 arranged in broken circles or clusters, wiiich are in longi- 

 tudinal and transverse rows. The cremaster or spine at the 



Fig. 4. 



posterior end is flattened, rounded at the outer end, grooved 

 longitudinally, and has twelve or more minute hooks at the 

 end. The moths emerge from the pupae from the first to 

 the middle of July." 



The foregoing was prepared Ijy Professor Fernald from 

 knowledge acquired largely from European sources. Obser- 

 vation in this country shows some slight variation in dates of 

 transformation, size of insect in the various stages, etc. 



Outline of Work of Extermination. 



The Legislature of 1890, on petition of the Board of 

 Agriculture and citizens of Medford and vicinity, provided, 

 l)y an act approved March 14, for the appointment of a 

 commission to take the matter of extermination in charge, 

 and appropriated $25,000 for the puVpose. The Governor 

 appointed as commissioners : W. W. Rawson of Arlington, 

 J. Howard Bradley of Maiden and Dr. Pearl Martin of 

 Medford. The commission took hold of the work promptly 

 but found the task greater than was supposed and that the 

 appropriation would be insufficient, and consequently applied 

 to the Legislature for an additional appropriation of $25,000, 



