CERAMBYCID/E 243 



the case in californicus. Length (9 ) 34-O mm.; width 14.4 mm. 

 Arizona (probably western) punctulatus n. subsp. 



Emargination of the eyes very deep, extending almost half way through; 

 antennal tubercles very prominent, separated by a remarkably 

 deep sulcus; punctures of the elytra very fine and everywhere re- 

 mote. Body only moderately stout, convex, shining, pale piceo- 

 testaceous; head moderate, the eyes large and very convex, separated 

 by less than half their width; antennae (cf) only extending about 

 three-fifths from the elytral base, stout basally, moderately atten- 

 uated and strongly compressed distally, the last joint as long as the 

 preceding, four times as long as wide, rounded at tip, parallel, the 

 lower margin becoming oblique in less than basal half to the base, 

 the lower face sloping rapidly in a little more than apical fourth, 

 its upper limit well marked and with a shallow pit; prothorax as in 

 californicus though slightly less transverse, strongly but loosely 

 punctured; scutellum very obtuse; elytra two-thirds longer than 

 wide, a third wider than the prothorax, rather tapering and with 

 broadly arcuate sides from base to apex, the raised lines barely 

 traceable; metasternum less pubescent than in californicus, the tarsi 

 similar but with a much wider glabrous sulcus beneath. Length 

 (cf) 40.0 mm.; width 15.7 mm. Arizona (locality unrecorded). 



fissifrons n. sp. 



21 Form shorter and stouter than in any of the preceding and darker 

 in color, blackish-piceous throughout, moderately shining, the 

 elytral punctures larger, deeper and more conspicuous than in any 

 other of this section though not as close-set as in californicus; head 

 rather small; eyes large, with shallow emargination, separated by 

 three-fifths their width; antennse (cf) very stout and imbricate 

 basally, only moderately tapering and rather compressed distally, 

 extending to apical third of the elytra, the last joint parallel, elongate- 

 oval, rather longer than the preceding, almost four times as long as 

 wide, the apical slope of the inner face rather pointed posteriorly, 

 ending above the median line and much less than half as long as the 

 joint; prothorax much wider than in the californicus group preceding, 

 strongly transverse, nearly similar in general form and sculpture, 

 except that the median and anterior teeth are much more equal in 

 size; scutellum short and very broadly obtuse; elytra not quite 

 three-fifths longer than wide, only about a fifth wider than the pro- 

 thorax, gradually feebly tapering, with distinctly arcuate sides, 

 from base to the obtusely rounded apex, the raised lines rather 

 strong; metasternum conspicuously pubescent; tarsi rather thick, 

 the sulci entire, broad on the posterior, fine on the intermediate. 

 Length (cf) 35-5 mm.; width 14.0 mm. Texas (near El Paso), 

 Dunn texanus n. sp. 



22 Body somewhat stout and convex, oblong-suboval, rather shining, 

 blackish-piceous in color, the abdomen pale luteo-flavate; head 

 rather small, the eyes less developed internally than in the pre- 

 ceding section and with a noticeably large emargination extending 

 two-fifths through, separated by less than three-fifths their width; 

 antenna? (cf ) moderately stout basally, long, very gradually slender 



