THE AMERICAN MUSEUM JOURNAL 



65. Touch-me-not Gall {Cecidomyia impatiens Osten Sackcn). — Globular, 

 succulent, semi-transparent, containing a number of cells inside. At base of 

 flower of touch-me-not {Impatiens bifora). August. Not common. 



66. Oak Pill Gall (Cecidomyia pilules Walsh). — Usually rounded, hard 

 and woody. Frequently two or more galls are confluent and assume a very 

 irregularly rounded or elongated form. Inside are several cells. Brown or green. 

 On upper surface of leaves of different kinds of oak. Very common. 



67. Oak Spangles {Cecidomyia pociilum Osten Sacken). 



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-Rounded, saucer- 



