NATURAL SCIENCES OF PHILADELPHIA. 4& 



e. Elytra irregularly variegated. 



1. Epiplcurse of protborax simple, of elytra yellow. 



Thorax pale, or witli the front margin and angles pale. 



muUipunctata. 

 Thorax green. 



First vitta joined to the suture, "which is laterally triden- 



tate. muUiguttis. 



First vitta free, suture not green. PMladelpMca. 



2. Epipleurse of prothorax impressed. 



Epipleura of elytra yellow. 



First and sutural vittse confluent. 



Black, extreme base of autennre pale. sigmoidea. 

 Thorax, legs, and antennae brownish-red. tortuosa. 

 First vitta linear, free, joints 1-4 of antennae paler. 



dislocata. 

 EpipleurfE of elytra green. 



Sutural vitta trifid in front, legs red. serpentina. 



Sutural vitta narowed at base, legs black, sylvia. 



14. C. similis, Rogers, 1. c. 



Yery close to C. suturalis in color, but more oblong. 



15. C. incisa, Rogers, 1. o. 



This has the rounded form of the last group, but belongs here 

 by the claws. 



16. C. prsecelsis, Rogers, 1. c. 



17. C. elegans, Oliv., Rogers, I. o. 



18. C. lunata, Fabr. 



This name must be used in preference to hybrida, Say; the palpi 

 are unusually dilated. 



19. C. multiguttis, StUl, 1. c. 



Leconte's name scalaris is preoccupied ; a fine variety with 

 black legs is called labyrinthica, in Leconte's cabinet, but this 

 name is already in use. 



20. C. philadelpMca, Linn. 



I am unable to follow Stal in separating G. spireae, Say, which 

 appears to me only a slight variety. 



21. C. multipunctata, Say. 



This species, of which C. Bigshyana and G. verrucosa are varie- 

 ties, appears to me very doubtfully distinct from C.philadelphica. 



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