104 GEO. H. HORN, M. D. 



as thorax, slightly broader behind, humeri distinct, but obtuse ; surface, the striae 

 deep, punctures moderately coarse and close, but not deeply impressed, intervals 

 flat, smooth. Mesosternum opaque, punctate, not carinate between the coxse. 

 Metasternum smooth. Abdomen very indistinctly punctate. Posterior femora 

 stout, with a row of coarse setigerous punctures near the knee, the tibife moder- 

 ately stout, with two feeble oblique ridges, the spurs slender at base, dilated at 

 apex with translucent borders. Length .16 inch ; 4 mm. 



This species has very much the facies of the larger species which 

 precede, but differs especially in the absence of the basal marginal 

 line of the thorax and the stouter tibise and spurs. The gense are 

 more distinctly prominent than in any other species of the genus. It 

 is a larger species than opifex, and with a more coarsely and less 

 closely punctured thorax. 



Occurs in southern California. LeConte says in Mojave Desert, 

 but as the specimens were collected by Morrison this is unlikely. 



JE, opifex n. sp. — Oblong oval, broader behind, convex, piceous black, shin- 

 ing, legs brownish. Antennse rufotestaceous. Head rather closely verrucose. 

 Clypeus subtruncate and feebly emarginate, the sides arcuate, margin narrowly 

 reflexed. Thorax twice as wide as long, narrower in front, anterior angles not 

 prominent anteriorly, sides moderately arcuate, the margin not crenate, hind 

 angles very obtuse, base arcuate, slightly sinuate each side of middle, the mar- 

 ginal line absent, disc convex, a slight depression at front angles, a transverse 

 fovea at the middle of declivity, surface moderately closely and relatively 

 coarsely punctate, smoother along the b^se and apex, a large smooth space at 

 hind angles. Elytra as wide at base as the thorax, broader behind, humeri ob- 

 tuse, striae deep, coarsely moderately closely punctate, intervals slightly convex, 

 smooth. Mesosternum opaque, sparsely punctate, not carinate between the coxse. 

 Metasternum slightly scabrous at sides. Abdomen irregularly coarsely punctate. 

 Posterior femora moderately stout, a row of setigerous punctures near the knee, 

 the tibia rather slender, the oblique ridges formed of acute tubercles, the space 

 between quite smooth, the spurs sleuder at base, broadly dilated externally, the 

 edges translucent. Length .14 inch ; 3.5 mm. 



At present this is the smallest species known in our fauna. It is 

 a little more ventricose than the preceding species. The posterior 

 tibiiB are not more stout than in Blanchardl, and are called " rather 

 slender" in the above description in comparison with crassa and spis- 

 sipes. The only species from which there might be any difficulty in 

 separating the present is latispina, but the smaller size and thoracic 

 sculpture will be at once evident. 



Collected abundantly at Lowell, Mass., by Mr. Fred. Blanchard. 



JE. crassa Lee. — Ovate, rather ventricose and convex, piceous black, shining. 

 Antennae pale. Head closely verrucose. Clypeus subtruncate, the margin very 

 narrowly reflexed. Thorax nearly twice as wide as long, narrower in front, sides 

 feebly arcuate, anterior angles not prominent, lateral margin not serrate, hind 



