HEXAPODA. 



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 ' I A 1 



Y > Anal. 

 et al. } 



FIG. 78. Diagram of wing, showing margins, 

 angles, and veins. 



VIII 



FIG 5:9. Diagram of wing of moth, showing the arrangement of the veins ; veins TV and 



VI are wanting. 



