184 MEMOIRS ON THE COLEOPTERA 



basally; hairs very short, pale and easily denuded; head well de- 

 veloped, with rather large but not very prominent eyes, finely, 

 sparsely punctate, rugose antero-laterally; antennae fusco-testaceous, 

 only moderately long; prothorax one-half wider than long, the 

 sides almost evenly rounded from apex to base, the angles very 

 obtuse, rounded, with a very small faint sinus immediately before 

 them; base about as wide as the apex, very broadly lobed, the lobe 

 broad but distinct, the sides laterally feebly oblique and broadly 

 rounded; apex slightly sinuate, the angles broadly rounded; surface 

 with a rather deep subbasal impression at each end of the lobe, not 

 evident in any of the preceding forms and obsolete inwardly very 

 near the middle, very broadly concave and moderately reflexed and 

 diaphanous at the sides; punctures fine, very sparse, more distinct 

 and closer peripherally; elytra but feebly convex, two-fifths longer 

 than wide, slightly wider subposteriorly than at base, fully two-thirds 

 wider than the prothorax, obliquely sinuato-truncate at apex, the 

 strise very fine, barely at all impressed, very minutely and closely 

 punctulate, the intervals nearly flat, with rather sparse and very fine, 

 irregularly distributed punctures, which are even smaller than those 

 of the strise, the latter almost invisible under transverse illumination; 

 legs rather short, pale, the under surface testaceous, the abdomen 

 blackish peripherally. Length (9) 12.0 mm.; width 4.8 mm. 

 Colorado. New Mexico LeConte planipennis Lee. 



Form stout, moderately convex, shining, the elytra ( 9 ) slightly aluta- 

 ceous; color pale testaceous, the elytra piceous, shaded very feebly, 

 paler basally and near the sides; under surface and legs as in the 

 preceding; head moderate, very finely, feebly and remotely punctu- 

 late, feebly rugulose antero-laterally, the antennae filiform and 

 testaceous but rather stout and barely longer than the head and 

 prothorax in the female; prothorax about two-fifths wider than long, 

 the sides rounded anteriorly, oblique and converging posteriorly, 

 becoming nearly straight, the basal angles sharply marked and 

 slightly prominent; base as in the preceding but relatively a little 

 wider than the apex, which is more feebly sinuate, with the angles 

 better marked and less rounded; surface rather less broadly but 

 more deeply concave and strongly reflexed laterally, the basal im- 

 pressions similar but much feebler, the punctures altogether obsolete 

 discally, but becoming fine and rather close in the lateral and basal 

 impressions, the surface throughout with some very feeble trans- 

 verse rugosity; elytra more than two-fifths longer than wide, three- 

 fourths wider than the prothorax, feebly inflated subposteriorly, 

 the striae extremely fine, not at all impressed and composed of a 

 close succession of very fine shallow punctures, the flat intervals with 

 the punctures very sparse, irregular and so minute and feeble as 

 to be discoverable with difficulty, apparently tending to irregular 

 single series. Length (9) 10.3-10.8 mm.; width 4.0-4.1 mm. 

 Arizona (Douglas, Cochise Co.), F. H. Snow. Three examples. 



blanda n. sp. 



16 Body not very stout, moderately convex, shining, testaceous, the 

 elytra black, with feeble metallic lustre, abruptly rufous along the 



