NATURAL SCIENCES OF PHILADELPHIA. 47 



A. LABIDOMERA, Chevr. 



1. C. clivicoUis, Kirby. Faun, B. A., iv. 213. trimaculata, Fab. (nee. Linn., Syst , 

 p. .312). 



G. Bogersii, Lee. appears to me to be simply a variety of this species. 



B. MYOCORYNA, Stal. 



a. Unicolorous blue. Haldemani. 



b. Unicolorous red, legs black. rubiginosa. 



c. Thorax feneous. 



1. Elytra with four seneous vittae. Uneolata. 



2. Elytra with two vittae. DaJilbomi. 



d. Thorax maculate. 



1. Entirely black beneath. ll-lineata. 



2. Pale, spotted with black, beneath. 



* Elytra regularly striate punctate. juncta. 



** Striae confusedly punctate. \Q-lineata. 



2. C. Uneolata, Stal. Chrys. Amer., p. 140, 298. 



"^Eneous, thorax thickly and finely punctate, elytra yellow, 

 striae geminate, not very regularly punctate, alternate interstices 

 black, interrupted ; legs ffiueous, tibiaj pale." L. 8 mm. Texas 

 (Chevrolat). 



3. C. ll-lineata, Stal, 1. c. p. 163, 301. 



Black, above pale yellow, head with a frontal spot, and thorax 

 with various marks black; elytra with the suture, and vittse, and 

 the epipleurffi aeneous. L. .44. Southern coast range of Call- 

 fornia (Horn), Mexico (Stal). 



4. C. 10-lineata, Say, J. Acad., iii. 453. 



The common species appears to be the true species of Say, 

 which Stal had not seen, his mutilineata differs in havinsf the 

 posterior portion of the epipleura black, and the marginal and 

 sutural vittas joined at the apex, and is a Mexican species. 



5. C. juncta, Germ., sp. nov. p. 590. 



Differs from the preceding by the regular punctures in the striae. 

 C. defecta^ Stal (1. c. 165-304} is a variety in which the fourtli and 

 eighth interstices are confluent, and the other two abbreviated ; 

 but a specimen in Leconte's collection from Tamaulipas is inter- 

 mediate in this respect. 



6. C. Dahlbomi, Stal, 1. c. p. 155, 307. 



aEneous, legs and under side testaceous, tinged with brassy ; 



