FROM THE society's GARDENS. 



Text-fio-ure 9. 



655 



Aiiatcecus cygni, ^. X 80. 



Head-measurements {millimetre scale) of Males of 

 Anatoecus species. 



In addition to the differences in the form of the head, in the 

 cephalic index, and in the male copnlatoi-y apparatus, small 

 specific characters may also be seen in the colour (rather variable, 

 however), in the shape of the abdomen, and the genital mark in 

 the male. 



The Society's Collection contained two or three specimens of 

 the typical A. icterodes. 



Anatcecus icterodes Nitzsch. From Aex galericidata (Linn.). 

 The Mouth-2xt,rts. (Text-fig. 10.) 



Mandibles. — In A. cygni and A. icterodes, and probably 

 throughout the genus, the narrow basal process of the left and 

 the quadrangular process at the base of the right mandible are 

 absent, the shape of the mandibles being accordingly difi"erent. 



