140 
[Vol. V. 
Journal New York Entomological Society. 
apical spot, often a short transverse band in front of the middle and a narrow 
line along the margin testaceous; ihorax with the sides arcuate nearly to base, 
sinuate in front of the hind angles, which are subrectangular and finely, 
almost obsoletely, carinate; legs rufo-testaceous. Length, .17-.22 inch; 
4.25-5 5 mm. constrictum. 
Convex, slender, very elongate ; color nearly as in constrictum , the apex and 
margin of the elytra more or less testaceous; thoiax with the sides arcuate 
to base, hind angles obtuse, not carinate; legs rufo-testaceous. Length, 
.18- 24 inch; 4.5-6 mm. contractum. 
38. Thorax squarely truncate at base ; head alutaceous. 39 
Thorax slightly obliquely truncate each side at base. 4 l 
39. Hind angles of thorax rectangular.. 4° 
Hind angles of thorax obtuse; feebly convex; head and thorax viridi-aeneous 
elytra fuscous, with a humeral lunule, a transverse fascia behind the middle 
and the apex testaceous; thorax with the sides arcuate to base; elytra very 
slightly wider than the thorax; legs rufo-testaceous. Length, .16-. 18 inch ; 
4-4.5 mm . aeneicolle. 
40. Nigro-aeneous; elytra moderately deeply striate, marked nearly as in gracili- 
forme , the markings ill-defined; head and thorax rather finely alutaceous ; 
legs varying from rufous to piceous. Length, .20—.24 inch; 5—6 mm. 
dentellum. 
Brown-bronze, elytra testaceous, marked somewhat as in cor datum) the maikings 
ill-defined and broader; head and thorax very distinctly alutaceous; legs 
rufo-testaceous. Length, .17-.19 inch; 4.25-4.75 mm. versutum. 
Nigro aeneous, elytra either testaceous variegated with black, or black variegated 
with testaceous, the markings well defined. 
Legs testaceous. Length, .14-. 19 inch ; 3.5-4.75 mm . variegatum. 
Legs black or dark piceous. Length .13-16 inch ; 3 >2 5~4 mm.. .nigripes. 
41. Head not alutaceous; form and color nearly as in postfasciatum ; elytra without 
postscutellar depression, more finely striate, the striae not dilated at base, the 
markings narrower and paler; head and thorax bright viridi- or cupreo- 
aeneous ; legs testaceous. Length, . 20-23 inch ; 5-5.75 mm. dorsale. 
Head alutaceous; broad, dilated; elytra more than one-half wider than the 
thorax, deeply striate, the striae dilated at base, with a transverse depression 
behind the scutellum; head and thorax cupreo-aeneous, elytra testaceous with 
a small spot on the third interval about one-third from base, a transverse band 
about the middle and another between this and the apex nearly black; 
legs testaceous. Length, .20-.24 inch; 5—6 mm. postfasciatum. 
42. Thorax cordate, pedunculate or subpedunculate; form moderately elongate; hind 
angles of thorax not carinate; elytral striae abbreviated behind. 43 
Thorax cordate or subcordate, truncate at base. 44 
43. Moderately convex, slender ; black, slightly aeneous, elytra with a subhumeral 
pale spot; thorax less than one-half wider than long; legs piceous or nearly 
black, the tibiae and tarsi usually paler. Length, . 12-.14 inch ; 3-3 5 mm. 
mutatum. 
Moderately convex; brownish aeneous, elytra with a subhumeral spot and usually 
a small submarginal one behind the middle yellowish testaceous; thorax 
