OF WASHINGTON, VOLUME XII, IKK). 



23 



of water containing vegetation; not in transient pools. Also 

 breeds to some extent in rain-barrels, boats, and the like. At 

 times troublesome in dwellings; always so out of doors, where 

 they occur. Are eager biters. Enter dwellings mostly after 

 frost and very early in spring. Frequents outhouses and stables, 

 where they are very annoying to poultry and live stock. Col- 

 lected here as follows: 



(<i) Only a little- collectini:- done iii I'.Kiii. 



(<*>) First males taken April l.~>; no males taken in tall. (<) Female-. 



(<l) Temperature for four days. (e) First males taken April 4; none in tall. 



(/) A very lew in May: taken .lime 5, and no more till Seph mlier I'l. Takt-n 

 also' in OctolJer. First males taken April 7; none in tall. 



NOTI-:. The dates and temperatures are only thos" mi which the specie^ j^ 

 " about," for If properly searched for they can lie I'onnil iill the- >ear round. 'l'hi~ 

 applies to otlier species that hiheriliite as adults. 



