82 Journal New York Entomological Society. ^^^^- xxvi. 



17 — Sides of thorax sinuate or parallel, often swollen at base 18 



Sides of thorax arcuate nuttalli Kirby 



18 — Elytral intervals alternately strongly convex, abdomen coarsely punctate. 



var. alternans Lee. 

 Elytral intervals not so strongly convex, abdomen moderately punctate. 



var. consularis Gory 

 19 — Elytra green to violaceous blue or bronzed ; wholly immaculate or marked 



with distinct spots or vittc-e 20 



Elytra green to violaceous blue, entire surface evenly sprinkled with small 



confluent yellow spots COnfluenta Say 



20 — Legs metallic or black with metallic lustre 21 



Legs wholly or in part pale rufipes Oliv. 



21 — Elytra green, bluish, purple or bronzed, immaculate or marked with vari- 

 able yellow spots 22 



Predominating color of elytra fulvous or reddish with suture or a few 



spots along suture green viridisuturalis n. sp. 



22 — Elytra green or bronzed, immaculate or with yellow markings which are 



never touched with orange 23 



Elytra purplish, yellow spot just behind middle and subapical one always 



touched with orange laterally gibbsi Le C. 



23 — Elytra and pronotum uniformly green or bronzed, elytra either immaculate 



or with variable yellowish markings 24 



Elytra greenish, lateral margins and pronotum always a brilliant cupreous. 



connexa Horn 

 24 — Elytral strias moderately deep, intervals broad, without a glossy shine. 



fasciata Fab. 

 Elytral strire deep, intervals narrow, with a distinct glossy shine. 



var. langi Mann. 



The following brief descriptions deal only with the essential and 

 striking- ditTerences and general appearance of the insects and used in 

 connection with the key, should enable one to locate the species with 

 some degree of certainty. 



Buprestis aurulenta Linne, 67-661. 

 lauta (Le Conte), 54-17. 

 radians (Le Conte), 54-17. 

 villosa (Le Conte), 73-331. 

 fabulosa Casey, 3 09—120. 

 aemula Casey, 09-121. 

 tacomce Casey, 09-121. 

 mipta Casey, 09-121. 

 venusta Casey, 09-122. 



3 Described from Mexico, specimens collected by Townsend at Chihuahua. 



