174 [Feb., 1847. 



basal spots, fulvous ; elytra with thirteen fulrous spots. Nearly 2 1. long. 

 Pennsylvania. 



Deep black : head with a longitudinal impressed frontal line; punctulate; 

 maculate with whitish ; antennae blackish, with three or four basal joints 

 yellowish : thorax polished, hardly punctulate, with the anterior and poste- 

 rior angles, and two oblique basal spots, yellowish ; anterior edge similarly 

 colored ; elytra profoundly punctate-striate, with thirteen fulvous spots, 

 ranged in transverse rows ; two of the spots are at apex, three at base, and 

 in each of the two intermediate rows four; beneath, feet and pygidium, 

 deep black, immaculate ; coxaea of the two anterior feet with a white spot; 

 abdominal basal spot present. 



15. C. hamatus. Black ; head, thorax, feet, and lateral and apical margins 

 of the elytra, fulvous ; pygidium and tip of the abdomen, similarly colored 

 or rufous. 1 1. long. Pennsylvania. 



Head pale fulvous, distantly punctulate: eyes plumbeous, variedwith gold- 

 en; antenna? color of the thorax, dusky at tip; thorax fulvous, varying in depth 

 of color ; sometimes with the lateral margins and two oblique basal spots, 

 faintly yellowish; surface densely and minutely punctured; scutellumpiceons; 

 elytra black, punctate-striate; lateral and and apical margins with a yellowish 

 vitta, curving a little upon the first entire innerspace ; base with two short 

 fulvous lines, the one at the suture and the other in the middle ; lateral and 

 apical edges, black ; basal edge sometimes yellowish : beneath black; feet, 

 tip of the abdomen and pygidium, fulvous; abdominal basal spot present. 



16. C. pretiosus. Black, shining ; head and thorax maculate with white ; 

 elytra punctate-striate, with an abbreviated fascia, linear spots at base, and 

 apex, fulvous. If 1. long. Pennsylvania. Very rare. 



Deep black : head rather strongly punctured ; a longitudinal profoundly 

 impressed line between the eyes ; orbits and clypeus white ; antennae black- 

 ish, with five basal joints'testaceous-yellow : thorax highly polished, very 

 minutely and distantly punctured; a spot at each of the angles, and twooblique 

 subovate basal spots, white; elytra finely punctate-striate, with a broad fascia 

 in the middle, somewhat widely interrupted at the suture, apex and six short 

 lines at base, fulvous or yellowish fulvous; exterior basal line or spot confluent 

 with the fascia: pygidium, beneath and feet, deep black; coxae of the anteri- 

 or and middle feet each with a white spot ; abdominal basal spot present. 



Monachus, Chevr. 



M. viridis. Dark green ; antenna?, mouth, lateral margins of the thorax 

 and feet yellowish, f 1. long. Pennsylvania. 



Cryptocephalus smaragdinus, Melsh. MS. 



Dark green, slightly brassy ; head obscurely and very minutely punc- 

 tured ; a slight frontal impression ; clypeus, labruni and mouth, yellow- 

 ish ; antennae similarly colored, with the tip dusky ; as long as the tho- 

 rax, somewhat thickened towards the tip, with the joints short ; thorax 

 transverse, wider at base than at apex, with the sides rounded ; trun- 

 cate before and slightly waved behind ; posterior angles acute ; surface 

 hardly punctulate, with the lateral margins dull fulvous ; elytra shin- 

 ing, finely and obsoletely striate-punctulate ; punctures almost want- 

 ing toward the apex ; feet yellowish-fulvous ; pygidium, abdomen, 



