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Cincinnati Society of Natural History. 



gin, almost truncate at tip, a little more than half the length 

 of pygofers. Ames, Iowa; Urbana, 111., (McElfresh) ; West 

 Virginia (Heideman). 



This variety, as compared with minor, is very different, 

 and it is only as they are compared with typical immistus 

 that they can be conceived to have any specific relationship. 



Var. incisus n. var. Size of typical immistus, but with 

 markings very distinct, and with the last ventral segment of 

 the female distinctly incised at center, and the male plates 

 broad. 



Scaphoidkus MEL,ANOf us n. sp. (Plate X, Fig. 13). 



General aspect of immistus above, face intensely black, 

 female genital segment strongly produced and notched. 

 Length ? , to tip of elytra, 5 mm. 



Vertex, three fourths as long as wide, anterior margins 

 slightly curved, apex obtuse; front narrow; clypeus long, 

 widening at apex ; lorae large, reaching nearly to tip of cly- 

 peus, and leaving only a very narrow margin of cheek. Pro- 

 notum short, lateral margin short, posterior margin emar- 

 ginate. Elytra with post-nodal cell very wide behind, two or 

 three very oblique nodal veins, outer claval vein very strong, 

 strongly hooked distally, approximating claval suture, and 

 with the cross vein to suture near base. 



Color: Vertex whitish with a rather faint brownish nar- 

 row band with darker dot at center, a narrow line parallel to 

 the anterior margin. Face jet black except white point just 

 below apex and on tip of clypeus. Pronotum whitish with 

 large fuscous patch each side, fulvous band broken in front, 

 and fulvous broken band behind. Elytra with marginal lobes 

 on clavus, oblique spots either side of transverse vein, costal 

 and post-nodal cells, white or pale yellowish; claval suture, 

 margin of veins, part of discal anteapical and apical cells, 

 fulvous; base and interlobular spots of clavus, lines on the 

 veins and spots in discal, anteapical, and apical band, dark 

 fuscous or black. Dorsum black with yellow border; below, 

 pectus soiled white with spots on legs, base of abdomen, 

 bands on ventral segments and large spot on last ventral 

 segment, black. 



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