June, 1910.J Banks : New PsAMMOCHARiDiE. 121 



longer spur is about one half the length of metatarsus. Marginal cell of 

 wings slender, acute ; second submarginal one and a half times as long as 

 broad, receiving the first recurrent vein a little before the middle ; third sub- 

 marginal a little longer and wider than second, one third narrowed towards 

 the marginal, second recurrent arising plainly beyond middle of anal cell, 

 slightly bent above middle, meeting third submarginal barely before middle. 

 Length, 7 mm. 



From Fedor, Lee Co., Texas (Birkmann). 



Cryptocheilus coloradensis, new species. 



Female. — Reddish yellow throughout ; a narrow black line connecting tops 

 of eyes and with median extension covering the ocelli, hind borders of thoracic 

 parts black, metathorax with base, anterior angles, and median stripe black, 

 pleura with two broad oblique black stripes, extreme base of abdomen black, 

 parts of coxfe and trochanters black, last two joints of four hind tarsi black; 

 wings reddish black. Clypeus large, rounded, margined ; antennae long and 

 slender, third joint nearly as long as vertex width ; anterior ocellus hardly 

 diameter from the laterals ; vertex straight across ; pronotum short, sub- 

 angulate behind, scutellum broad, metathorax narrowed behind, oblique, barely 

 rounded, with very long yellow hair. Abdomen moderately slender, anterior 

 femora slender, coxae I long-haired ; spurs on legs rather short, the longer 

 one on hind tibia not one half the length of very long metatarsus ; hind tibiae 

 strongly serrate, claws with basal tooth ; no spines under last hind tarsal 

 joint. Wings rather long, marginal cell long, second submarginal nearly 

 twice as long as broad, narrowed above, first recurrent at middle ; third sub- 

 marginal much larger and longer than second, nearly one half narrowed 

 above, second recurrent arising much beyond middle of anal cell, running 

 sinuously to middle of the third submarginal. Length, 15 mm. 



From Clear Creek, Colo., 11 Sept. (Oslar). 



Cryptocheilus pallescens, new species. 



Honey yellow throughout, blackish each side of the scutellum, at middle 

 tip of the metathorax, and the petiole of the abdomen black ; antennae dusky 

 from third segment outward ; legs slightly dusky on middle and hind tarsi. 

 Clypeus slightly but evenly rounded in front ; face smooth, with very short 

 sparse hair; third joint of antennae much shorter than width of vertex; 

 lateral ocelli rather farther from eyes than from each other ; thorax shining, 

 hind margin of pronotum angulate ; metathorax evenly sloping to tip ; 

 abdomen petiolate, shining, with long hairs near tip, last segment above with 

 short yellow hair. Legs slender, with few hairs except on hind tibiae ; about 

 nine teeth above on hind tibia ; spurs yellowish, longer of hind tibia about two 

 fifths of metatarsus ; the hairs and spines on tarsi yellowish and very short, 

 last joint of hind tarsi without spines beneath, claws with small tooth beyond 

 middle, hind metatarsus four fifths as long as tibia. Wings slightly dusky, 

 rather darker before the middle, and a cloud over marginal, submarginal and 



