226 MEMOIRS ON THE COLEOPTERA 



oblique sides also finely subrugulose, as well as the ends. Female 

 similar but a little larger and longer, the elytra a fourth wider than 

 the prothorax, which has moderately strong, confluent sculpture 

 anteriorly, the tubercle represented by a posteriorly ascending and 

 obtusely angular expansion of the apical beading; head nearly as in 

 the male, the oblique sides of the clypeus barely at all elevated; 

 pygidium less convex, more punctulate laterally and with the mar- 

 ginal groove not dilated medially. Length (c? 9 ) 18.8-20.0 mm.; 

 width 10.5-11.0 mm. New Mexico (Jemez Springs), Woodgate. 



fontinalis n. sp. 



Body larger in size, oblong, convex, piceo-castaneous, somewhat dilated 

 posteriorly; head densely, rugosely punctate, very finely margined; 

 clypeus rounded and submucronate at apex, armed slightly behind 

 the tip with a strongly elevated, bidentate line; frontal suture dis- 

 tinctly sinuate and with a small median tubercle; prothorax strongly 

 rounded at the sides, moderately punctate, the disk nearly smooth 

 toward base, having behind the apex a small fovea and, at the apex, 

 a very short tubercle; elytra punctato-striate, the punctures ex- 

 ternally smaller and confused; propygidium more finely punctate 

 [than in Aphonus tridentatus and castaneus], smooth at apex and 

 without any transverse rugae; pygidium smooth, moderately convex; 

 abdomen with a single transverse series of coarse punctures on each 

 segment, the last segment finely margined; hind tibiae thicker than 

 in Aphonus, the transverse crest at the middle prolonged externally 

 into an acute tooth; "maxillary galea bidentate." Length 23.7 mm. 

 Arizona. (A single specimen probably found in the Gila Valley). 

 [Aphonus clunalis Lee. (cf); Orizabus ligyroides Horn (9 ) Arizona 

 (Morrison)] clunalis Lee. 



Body nearly similar; thoracic fovea of the male less than a third of the 

 total width and length of the pronotum, sometimes faintly lon- 

 gitudinally divided, or with its hind margin slightly prominent 

 medially; subcylindric, only slightly dilated posteriorly, castaneous, 

 throughout, shining, the dense hairs beneath pale yellow-brown; 

 head (cf ) rather less than a third as wide as the prothorax; rugose, 

 the tubercle moderate, at the angle formed by two fine oblique 

 ridgelets; clypeus trapezoidal, not one-half wider than long, convex 

 along the middle, thence feebly concave to the sides, which are 

 barely at all elevated; apex flat, arcuate, not mucronate, the post- 

 apical carina notably high and strongly bilobed; prothorax rather 

 more than one-half wider than long, evenly rounded at the sides, 

 which are rather more converging apically, converging and straight 

 basally and widest at basal third of the median length, the basal 

 angles very obtuse but not much rounded, the median lobe broad 

 and rounded, the bead broad and strongly defined throughout; 

 punctures antero-laterad very coarse and confluent, less so poster- 

 iorly along the sides, gradually becoming fine and sparse inwardly, 

 very minute in the concavity and obsolescent medially; impression 

 deep, transversely oval, the tubercle moderate, its anterior face 

 smooth, flat and inclined, being a prolongation of the flat apical 

 bead; scutellum wider than long, smooth, ogival; elytra about a 



