1S82.] _ o4y [Jaync. 



Pubescence on upper surface uniform, two series of 



lateral black spots on abdomen sobrinus. 



Femora with basal half clothed with white hairs. Elytra 

 with broad basal rufous band, thorax with a large tri- 

 angular naked sjDOt at middle mucoreus. 



Entire lateral margin of thorax visible from above. Base 

 with two punctures. Legs not aunulated. 

 Thorax and base of elytra red, covered with orange-red 



pubescence pulcher. 



Basal portion of elytra rufous, bearing yellow pubescence, 



including three black spots lardarius. 



Thorax and elytra uniform in color, very elongate, stria3 

 on elytra distinct, pubescence on abdom.en cinereous, 



no series of lateral black spots elongatuS. 



Not markedly elongate, striae on elytra very faint, pubes- 

 cence on abdomen white, and series of lateral black 



spots cadaverinus. 



II. Male with the fourth ventral segment marked by a me- 

 dian pit. Anterior portion of lateral margins of thorax , 

 not visible from above. Color above uniform. Thorax 

 with a large triangular naked spot at middle. One 

 series of lateral black spots on abdomen. Legs not dis- 

 tinctly anuulated vulpinus. 



D. marmoratus Say. Oblong, convex, black, quite densely pubescent. 

 Elytra black, mottled with ochre, black and cinereous pubescence, and 

 bearing a large sub-quadrate spot just behind the base of cinereous. Head 

 finely but densely punctate, pubescence semi-erect, dense, variegated; 

 brown, black and whitp. Antennae piceous, club fulvous. Thorax very 

 convex anteriorly, basal half of lateral margin visible from above, sides 

 suddenly narrowed at middle, finely and densely punctate, a deep fovea in 

 middle of base, pubescence dense, variegated as on head, two lateral and 

 a median small triangular white spots. Scutellum covered with sparse 

 cinereous hairs. Elytra densely and finely punctatCj faint stria3 near 

 apex, mottled with small transverse spots of fine recumbent brown, black 

 and cinereous pubescence. A large irregularly quadrilateral cinereous 

 spot on outer side just behind the base, the inner anterior angle of which 

 is prolonged inward and forward to the scutellum. Body beneath black, 

 clothed with long dense white recumbent hairs. Abdomen with a row of 

 yellowish-black spots on either side. Last segment blacK, sparsely covered 

 Avith fulvo-cinereous pubescence. Legs covered with dull brownish hairs, 

 femora annulated at middle with white. Length .46 inch ; 11.5 mm. 

 (Fig. 10). 



The largest species of the genus, and indeed of the entire family, which 

 is found in our fauna. The large distinct basal, and the faint general 

 cinereous spots on the elytra, the convex thorax, annulated femora, black 



