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) ; 11, 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, painphila 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, tcnuipes Dej. (India), Co, costa, S, subcosta, R, radius. 

 M, media, Cu, cubitus. 



