NO. 12 FLYING APPARATUS OF BLOW-FLY RITTER 



49 



PLATE 5 (Continued) 



Fig. i6. Right wing- from above. (Magnified lo diameters. Photographed 

 with Zeiss planar 50 mm. ) 



Fig. 17. Stereo.=copic view of the right wing from l)elow. (Dry prepara- 

 tion.) The enlargement and the designations are the same as in Fig. i:. 



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