1852.] 133 



Missouri Territory and Louisiana. In the male the anterior part of the tho- 

 rax is white, a little prolonged in three places, so that the outline of the black 

 part is four-lobed. 



2. B. 10-pu st ulat a. Hyperaspis \Q-pnstnlaia Mels. Pr. Ac. Nat. Sc. 3, 

 179. This is commonly considered as the small variety of B. ursina, but it 

 differs essentially in having the elytra much more strongly punctured. 



3. B. b a s a 1 i s Mels. Pr. Ac. Nat. Sc. 3, 179 ; B. covfnsa Muls. 537. 



4. B. quadripunctata Mels. ibid. 3, 178 ; B. diversa Muls. 538. 



Hyperaspis Chevr. 



1. H. militaris, ovalis, convexa, subtiliter punctulata, capite thoraceque 

 nigris, hoc lateribus albis, elytris flavis, sutura maculaque humerali nigris ; pe- 

 dibus abdominisque lateribus testaceis. Long. -1. 



One specimen, Columbia, S. Carolina. Rounded, slightly oval, very convex 

 and very finely punctulate. Head black, mouth and organs testaceous. Thorax 

 with the base much rounded, and very finely margined; black, sides vi^hitish 

 yellow. Elytra pale yellow with abroad sutural vitta and an oblong spot on the 

 humeral callus black. Beneath piceous black ; feet, sides and apex of the 

 abdomen testaceous. 



2. H. V i 1 1 i g e r a, ovalis, modice convexa, thorace nigro lateribus flavis, ely- 

 tris rugose punctulatis, albicantibus sutura vittaque lata postice adnexa nigris, 

 pedibus testaceis. Long. '08. 



Missouri Territory. Oval, somewhat oblong, moderately convex. Head 

 sparsely and obsoletely punctulate, testaceous in the male, black with yellow 

 mouth in the female. Thorax obsoletely punctulate, rounded and finely mar- 

 gined at the base ; in the male yellow with a large basal black spot, anteriorly 

 lobed and extending beyond the middle ; in the female black with narrow yel- 

 low sides. Elytra finely punctulate and wrinkled; whitish, with a broad black 

 vitta commencing near the base, and extending nearly to the apex, where it 

 curves inwards and joins the suture, which is also black ; margin behind the 

 middle and at the apex black. Beneath piceous, margin of the abdomen and 

 feet obscure testaceous. 



3. H. ar c u a t a, ovalis, modice convexa, nigra, capite thoraceque lateribus 

 maculaque apicali 3-dentata albis, elytris subtiliter punctatis, basi marginenue 

 usque ad medium tenuiter albis, pedibus testaceis. Long. .07. 



One male found at the mouth of the Gila, California. Oval, slightly oblong, 

 moderately convex. Head obsoletely punctured, base rounded, scarcely mar- 

 gined, black ; sides yellowish white ; apex with a transverse yellow spot, pos- 

 teriorly 3-dentate, at the sides almost reaching the yellow margin. Elytra dis- 

 tinctly punctured, black, with a narrow arcuated white line extending from 

 near the scutellum, along the base of the outer margin as far as the middle. 

 Beneath piceous, feet dark testaceous. 



4. H. a n n e X a, rotundato-ovalis, convexa, nigra, thorace lateribus albis, 

 elytris obsolete punctulatis, vitta suturali lata, alteraque postice abbreviata, ad 

 basin extensa, margineque tenui nigris. Long. '10. 



One pair. San Francisco. Rounded oval, less convex than H. militaris. 

 Head scarcely punctulate, in the male yellow, in the female black. Thorax 

 scarcely punctulate, black, lateral margin yellow. Elytra very indistinctly 

 punctulate, yellow, M'ith a sutural vitta broader in front, and another very broad 

 vitta commencing at the base and extending to within one-seventh of the apex 

 deep black ; outer margin and apex with a very narrow black line. Beneath 

 blackish piceous, tarsi paler; anterior legs, tibiae and tarsi of the male tes- 

 taceous. 



In the female the black vittae are much broader, so that the elytra appear 

 black, with a narrow marginal vitta and another suboblique discoidal one united 

 osteriorl^; to the marginal vitta. 



5. H. quadrivittata, rotundato-ovalis, modice convexa, nigra, valde 



21 



