The PsELAPHIDyE OF NoRTH AMERICA. 237 



Head with the frontal incision reaching the oblong frontal 

 fovea, occipital fovea? large, farther apart and nearer the eye, 

 tubercles on each side of the frontal foveee conspicuous, 

 occiput elevated. Prothorax as long as wide, narrower 

 anteriorly than in the other species, widest a little behind the 

 middle; the median fovea is nearly circular the lateral ones 

 small, the lateral sulcus is a fine line not perceptibly separat- 

 ing the narrow margin. 'Elytra more convex, the lines not 

 deeply impressed, shoulders more rounded, otherwise as in 

 67. -picetis. 



Tyrus, Atibe. 

 Antennee clavate, palpi with first joint minute, second 

 long, arcuate, clavate, third short, obovate, the last joint 

 longer than the third and mucronate at apex. Third tarsal 

 joint longer than the second, with two equal claws. Form 

 robust, compact. Pubescence long, not squamiform. 



T. hu:meralis, Aiibe. Piceous-black, pubescence fine, short, 

 appressed; elytra, antennee and legs reddish, palpi paler. 

 Length, 1.6 mm. Plate VI., Fig. 19. 



Head, eyes included as long as broad, frontal tubercles 

 transverse, divided by a sharpl}- cut line, faintly connected 

 with the oblong anterior fovea. Between the eyes are two 

 small foveas not connected by a depression. Palpi with the 

 second joint long, strongly clavate at the end, third obovate as 

 large as the club of the second, fourth joint larger, ovate, 

 mucronate at the apex. Antcnncs with joints one and two 

 cyhndrical, the first larger, three to seven rounded, gradually 

 becoming smaller, eighth and ninth larger, globular, tenth twice 

 as long and thick as ninth, rounded obconical, eleventh the 

 largest, ovate in the male; in the female the joints three to nine 

 are subequal, tenth larger, less rounded, eleventh oval. Pro- 

 thorax bell-shaped, wider near the middle, where it is as wide 

 as long, sides behind the middle straight or very slightly sin- 

 uate, base nearly as wide as the middle, neck a little more 

 than half as wide, evenly vaulted. One-fifth of the length 



