100 NATHAN BANKS. 



Caloteriues inargiuipennis Hagen. 



Males from Mesilla (Morse), aud Albuquerque, Nov.-Dec. 

 (Cockerell). 

 Terines lucifiigiis Rossi. 



Males from Las Vegas, March (Cockerell). 



Suborder CORRODENTIA. 



Family PSOCID^. 



PiSOCUS COClierelli n. sp.— Head pale yellow, a median shining brown 

 spot over the ocelli, a brown patch each side toward eye, and four brown. patches 

 on nasus, one near each corner; the uasus indistinctly brown lined, the labrum 

 margined with brown. Basal joints of antennae yellow, beyond brown; palpi 

 yellow, last joint brown. Thorax pale yellow; a large spot on each lateral lobe 

 of mesothorax and two spots on the median lobe are shining black. Abdomen 

 brown, with some white markings. Legs yellow, the tarsi brown, and the femora 

 with brown spots. Wings hyaline; venation brown, except the veins are white 

 at bases, and the cubitus is white throughout, the cross-vein closing the discal 

 cell and extending down to posterior margin aud on the upper branch of the 

 median vein is white; the lower branch of radial sector is also white at base. 

 Pterostigma white, with a large black spot in posterior part; a brown spot at tip 

 of anal vein. The uasus is large, subquadrangular, with about twelve vertical 

 rows of short white hairs. Antennfe slender, hairy ; reaching beyond tip of 

 thorax. Eyes small and spherical, but rather prominent. The discal cell is very 

 much longer than broad at base, and much narrowed toward tip; it reaches the 

 radial sector (thus no anterior cross-vein). 



From Whitewater, by White Sands, on aster, October 6th 

 (Cockerell). A very handsome and distinct species. 

 Psocus trifasciatus Prov. 



Prof. Cockerell collected some at Dripping Springs, Organ Mts., 

 August 20th. 



Psocus Oregon us Banks. 



Mr. Schwarz took some from Las Vegas Hot Springs, Aug. 13-17. 

 Psocus sp. 



One specimen of a dark-winged species from Beulah ; it is very 

 close to Ps. S2)arsus, but I think different. 



Suborder ANISOPTERA. 



Family EPHEMERID^. 

 Hexageiiia limbata. 



One specimen from Roswell, August (Cockerell). 

 Epheinerella grandis Eaton. 



One from Beulah (W. P. Cockerell). 



