HARPALIN.E 



erro of LeConte, is a species different from the true capitata, but it 

 cannot be identical with either of those newly described above, 

 because of its very much larger head. The fact that the two 

 species brunnea and mentalis are mutually distinct, apparently 

 beyond reasonable doubt, tends to show still further that neither 

 can be the same as erro. There are doubtless a considerable num- 

 ber of species of Cratocara inhabiting the Sonoran regions of North 

 America.* 



Pogonodaptus Horn. 



In this genus the size is small, somewhat as in Tachycellus or 

 Triliarthrus but narrower and more parallel, the head with more 

 elongate and smooth mandibles, the eyes relatively large and very 

 prominent and the strong frontal foveae are connected with the 

 post-ocular oblique depression by a very fine incised line. The 

 antennae are stout and rather short, not so compressed as in Crato- 

 cara. The prothorax is very different in its prominent basal angles 

 and strong thick basal bead, and the elytra differ in having no 

 trace of scutellar stria, though the basal fovea is large and well 

 developed ; the lateral line of foveae is medially interrupted and there 

 is a distinct discal puncture. The hind tarsi are short and very 

 slender, the joints not modified, and the anterior seem to be per- 

 fectly similar in the male and female. The abdomen is devoid of 

 punctulation and has two apical setae in both sexes, the last segment 

 being more acutely rounded medially in the male than in the 

 female. The mentum is large, with a relatively small shallow notch 



* In a consignment of Harpalids kindly sent me very recently by Mr. Knaus, there 

 are two examples, male and female, of the true Melanotus erro of LeConte, taken at 

 San Bernardino Ranch, Cochise Co., Arizona, by Smyth, and I have now still further 

 reason to believe that erro is a species distinct from capitala, the body being shorter, 

 the prothorax much shorter and more transverse between two and three times as 

 wide as long, with more basally converging sides and very broadly rounded basal 

 angles. The color is deep black when mature and the integuments are thicker than 

 in brunnea. The most remarkable fact disclosed by these most interesting specimens, 

 is the very great sexual differences in the head, which are very much more pronounced 

 than in brunnea. In the male, the head is very large, suborbicular, subequal in width 

 to the prothorax, with rather long straight apically falcate mandibles, somewhat as in 

 Pogonodaptus and relatively very small eyes, which are much less prominent than the 

 part of the tempora immediately behind them. In the female the head is very much 

 smaller, about two-thirds as wide as the prothorax, with smaller mandibles and with 

 the actually still smaller eyes more convex and very much more prominent than any 

 part of the tempora. The description of LeConte is evidently taken from the male 

 alone. 



