HEXAPODA. 



65 



The veins are frequently designated by numbers ; the 

 following table will indicate the correspondence of the num- 

 bers with the names: 



I. 



Costa. 



II. 



Subcosta. 



III. 



Radius. 



IV. 



Premedia. 



V. 



Media. 



VI. 



Postmedia. 



VII. 



Cubitus. 



VIII.^ 

 IX. 

 X. 



|»Anal. 



et al. 1 





Fig. 78.— Diagram of wing, showing margins; 

 angles, and veins. 



F10 79.— Diagram of wing of moth, showing the arrangement of the veins ; veins IV and 



VI are wanting. 



