74 ILLINOIS BIOLOGICAL MONOGRAPHS [468 



PLATE II 



Figures 10-21. Showing, the close correlation between the distribution of 

 tracheae and dark pigment in the more specialized patterns of Cicindela. Figures 

 10 to 22 show close conformation of color patterns and tracheae. 



Explanation of Plate 



Fig. 10. C. striolata Illig. (India) ; II, cincta Oliv. (Africa) ; 12, anchoralis 

 Chvr. (S. China) ; 13, quadrilineata Fabr. (India) ; 14, capensis Linn. — the costa 

 and subcosta were probably present but could not be demonstrated; 15, capensis 

 Linn. sub. sp. chrysographa Dej. (S. Africa) ; 16, nivea Kirb. aber conspersa 

 Dej., showing reduction of the media (S. America) ; 17, pamphila Lee. (S. U. S.) ; 

 18, lugubris Dej. (Africa) ; 19, gabbi G. Horn (S. W. U. S.) ; 20, dorsalis Say 

 (Coast of U. S. A.) ; 21, tenuipes Dej. (India), Co, costa, S, subcosta, R, radius, 

 M, media, Cu, cubitus. 



