120 Journal New York Entomological Society. [Voi. xviii. 



distinct median line from antenns to ocelli, anterior ocellus about diameter 

 from smaller laterals ; vertex slightly rounded ; pronotum slightly constricted 

 at hind margin, arcuate ; metathorax rather long, evenly convex, posterior part 

 distinctly transversely striate, abdomen shining ; short, rather broad at the 

 base ; hind tibiae with very few small spines, metatarsus very long, about 

 twice as long as longer spur. Wings black, barely paler in the third sub- 

 marginal cell ; second submarginal one and one fourth times as long as broad ; 

 third nearly as long, slightly narrowed above, receiving the second recurrent 

 at middle, this vein arising much beyond middle of anal cell, and slightly bent 

 below middle; basal veins interstitial in fore wings, slightly dislocated in the 

 hind wings. Length, ii mm. 



From Palmerlee, Ariz. (Biederman). 



Closely related to P. luctuosns, but with mesothorax striate, a 

 more evenly colored wing, longer second submarginal cell, longer 

 hind tarsi, and less spinose tibiae. 



Psammochares ventralis, new species. 



Male. — Black, rather dull and not shining, head and thorax with black 

 hairs ; clypeus broad, slightly emarginate in front ; vertex nearly straight 

 across ; a faint line from antennae to ocelli ; antennae short and heavy ; ocelli 

 large, close together, the anterior ocellus not its diameter from the laterals ; 

 pronotum angulate behind ; metathorax rather short and narrow, with long 

 black hairs ; abdomen slender, cylindrical, apical segments depressed, beneath 

 on penultimate segment there is a tuft of long black hair each side, on pre- 

 ceding segment there is a dense brush from side to side, outer hairs longest, 

 on the segment before this is a sparse brush, the middle hairs of which are 

 very short. Wings black ; marginal cell rather short, acute ; second submar- 

 ginal narrowed above, third subtriangular, nearly as large as the second, 

 receiving the second recurrent at middle, the vein bent out at middle, and 

 arising from the anal cell before middle ; the veins do not reach apical 

 margin ; basal veins nearly interstitial in both pairs. Length, 9 mm. 



From Falls Church, Va., 22 Oct. 



Cryptocheilus arcuatus, new species. 



Female. — Blue black, except the reddish abdomen ; all with short pile ; 

 clypeus and lower part of face silvery, pleura silvery ; legs dull black ; spurs 

 yellowish ; wings grayish, tip infuscated. Clypeus slightly rounded in front ; 

 third joint of antennae stout, not more than two thirds width of vertex; 

 lateral ocelli as near to eyes as to each other ; vertex nearly straight across ; 

 pronotum arcuate behind ; metathorax short, not as long as broad, sloping to 

 tip, but little convex ; abdomen petiolate, shining reddish yellow, scarcely 

 darker toward tip, and there with yellowish hair ; legs with very short hairs 

 and spines on tarsi, none below on last joint of hind tarsus ; about eight 

 teeth above on hind tibiae, the metatarsus three fourths as long as tibia, the 



