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SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 82 



Fig. 47. — The wing bases of Dissosteira. 



A, base of tegmen. B, base of hind wing. lA, 2 A, 3 A, 7 A, first, second, third 

 and seventh primary anal veins; AF , anal fold; lAx, 2 Ax, jAx, 4AX, first,' 

 second, third, and fourth axillary sclerites ; C, costa ; iCu, first cubitus; 2C11, 

 second cubitus; d, attachment of base of subcosta to prescutal lobe of tergum ;' 

 /, intercalary vein ; i, secondary vein of first anal plait ; k, first concave anal 

 vein ; /, second concave anal vein ; M, media ; m, m' , median plates of wing base ; 

 p, posterior arm of tergum supporting the anal veins ; q, basal support of anal 

 veins ; R, radius ; R -{- M, united basal shafts of radius and media ; s, secondary 

 vein of fore wing behind anal fold; Sc, subcosta; tg, tegular rudiment; VD, 

 vena dividens. 



