24 AGRICULTURAL EXPERIMENT STATION. 



In the figures here given of Citlex and Anopheles, the names 

 of the veins and cells are as given in Nuttall & Shipley's papers on 

 Anopheles, and they in turn follow Comstock and Needham in 

 essentials. 



Figure 4. 



A, represents the wing of Ciilex pipiens; B, that of Anopheles maculipennis. The 

 lettering is the same in both and means as follows: C, costa; Sc, subcosta; R, radius, the 

 numbers referring to the branches; M, media, the numbers referring to the branches; 

 Cu, cubitus, the numbers referring to the branches; A, anal; O, cross vein between radius 

 I and radius 2; I, cross vein between radius 2 and radius 4 and 6; J, cross vein between 

 radial and medial systems; K, cross vein between medial and cubital systems; the names 

 of the cells are written out full. (Original.) 



