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. 1 

 ** I Anal. 



A. 



et aL } 



FIG. 78. Diagram of wing, showing margin*, 

 angles, and veins. 



^.-Diagram of wing of mo 



th, ,howin* the arrangement of the rein.; -in, IV and 

 VI are wanting. 



