200 



[September, 



the}'- are quite sharply defined, and are more heavily chitinized than are 

 the surrounding tissues. They occupy a position close to the anterior 

 border of each abdominal segment, where they appear to be tucked away 

 in the sutures between the overlapping margins. In this position they 

 are often obscured by the contraction of the segments. They are more 

 conspicuous in some specimens than in others, and are particularly well 



pjg^ 11, — Lepidosaphes ulmi. Lateral margin of abdomen, showing intersegmental 

 processes : a, X 220 ; b, X -450. 



developed in some examples from the stem of Ceanothus veitcliii (Cam- 

 berley, 23.iii.1921). 



Correction. — " Observations on British Coccidae,'''' V. (Ent. Mo. 

 Mag., May 1920, p. IIG, line 22). For '* a new subgenus of the former 

 famil}'," read "a separate section of the former subfamily." 



April, 1<J21. 



