362 NATHAN BANKS, 



PSEUDONEUROPTERA. 



TERMITIDiE. 

 <'alolerineN inHrgiiiipeiiiiis Latr. 



Winged specimens from Tacubaya, D, F., September. 



PERLID^. 

 l*seu(loperla dilaticollis Burm. 



Specimens from Cuernavaca, Morelos, June ; and Jalapa, Vera 

 Cruz, August. The one from Cuernavaca is much smaller than the 



others. 



Fseiidoperla uigrocincta Pictet. 



Many specimens from Jalapa, August, and Orizaba and Cuerna- 

 vaca in June. Varying much in size and distinctness of markings. 



PSOCIDiE. 

 Pterodela pedicularis Linn. 

 One from Tacubaya, D. F. 



Fsuciis barrctti Banks. 



Several from the Federal District. 



EPHEMERID^. 



Calliba^tis inoiitaniis Eaton. 



Several specimens from near Tacubaya. 



C^allibseti^i undatiis Pict. 



A few examples from Tacubaya. 



B^ti!« sp. 



A small and pretty species from Cuernavaca, April. Related 

 apparently to B. salvinii. 



Ba;ti!!« sp. 



One of a rather large species from Xico. 



Bietis sp. 



A small species from Xico. 

 Ti'icorythiiM e.YplicatuN Eaton. 



Several specimens from Jalapa. It has the general appearance of 

 our species of Ccenis. 



