126 ILLINOIS BIOLOGICAL MONOGRAPHS [520 



PLATE XXVIII 



Showing the parallelism of patterns of the north stem of W. Horn's phylogenj', 

 and C. sexguttata Fabr. Compare the rows with one another. 



Explanation of Plate 



■Figs. 473-474, tranquebarica Herbst subsp. plutonica Cas. (California) drawn 

 from descriptions by Leng : 475-478, do. subsp. vibcx Horn (Las Vegas, Nev.) ; 

 479, do. (San Bernardino, Cal.) ; 480, greenish brown form of tranquebarica (Ha- 

 german, Idaho) (roguensis Harris) ; 481, tenuicincta Sch. (Salt Lake) ; 482, 

 tranquebarica (Framingham, Mass) ; 483, tenuicincta Schpp. (Saltair, Utah) ; 484, 

 tranquebarica Herbst (Alamosa, Colo.) ; 485, do. (Las Vegas, Nev.) ; 486-490, 

 scutellaris Say, varieties — see figure 468 and description ;, 491, echo Cas. (Great 

 Salt Lake) ; 492, willistoni Lee. (Lake Como, Wyo.) ; 492, fulgida Say (Kansas) ; 

 494-496, latesignata Lee. (San Diego, Cal.); 497-501, pulchra Say (499-501 — .Al- 

 pine, Texas, drawing supplied by Prof. H. F. Wickham, from specimens in his 

 collection) ; 502, latesignata aber. tenuicincta Blaisdell (Saltair, Utah) ; 503-505, 

 longilabris Say, varieties ; 504-505, (N. Mexico) ; 506-518, purpurea Oliv., varie- 

 ties (see Fig. 470) ; 508-509, 516-518 (Sedalia, Colo.); 519, generosa subsp. man- 

 toba Leng.; 522-523, sexguttata (Onaga, Kansas); 524, do. (Chicago); 525-526, 

 do. (Woods Holl.) ; 527, sexguttata subsp. patruela Dej. (Lakehurst, N. J.) : 528, 

 /.? guttata Dej. (Chicago); 529, ancosisconensis Harris; 530, repanda Dej. (Chi- 

 cago); 531-532, generosa Dej.; 531, do. (Framingham, Mass.); 532, do. (Lake- 

 hurst, N. J.) ; 533-534, venusta Lee. (Aweme, Man.) ; 535-536, limbata Say 

 (Aweme, Man.) ; 536, purpurea, showing reduced and shortened marking. 



