56 



SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 56 



PLATE 9 



Fig. 25. Stereoscopic view of the right wing-joint from above. (Magnified 

 40 diameters. Photograplied with Zeiss binocular; Objective a^, Ocular 3.) 



ptii 



gi, Marginal vein. 



ie, Vein of the inner margin of the lobulus. 



lo, Lobulus. 



pti, Processus pteralis aUe i. 



pt2. Processus pteralis alje 2. 



pt4, Processus pteralis ate 4. 



ptI, Processus pteralis thoracis L 



ptil. Processus pteralis thoracis IL 



ptVI, Processus pteralis thoracis VL 



ptA, Pterale A. 



ptB, Pterale B. 



re, Remigium. 



t, Tegula. 



Vi, Stay. 



