1921] NATURAL SCIENCES OF PHILADELPHIA. 289 



Length of Length of Width of Length of Width of Width of 

 body pronotum pronotum tegmeii tegmen interval 



Specimens Examined: 55; 15 males, 35 females and 5 immatm-e 

 individuals. 



Gran Chaco, Argentina, 1 cf. 



Chaco Santa Festino, Argentina, August to October, 1911, (W. 

 H. Schladitz), 1 9 . [Hebard Cln. ]. 



Icano, Eio Salado, Santiago del Estero, Argentina, 4 cf, 3 9 . 



Averias, Rio Salado, Santiago del Estero, Argentina, December, 



1 cf, 1 juv. d". 



Paso de Don Jose, Rio Salado, Santiago del Estero, Argentina, 



29. 



Troncal, Santiago del Estero, Argentina, 19,1 juv. cf . 



La Palisa del Bracho, Rio Salado, Santiago del Estero, Argentina, 

 December, 4 cf , 1 9 . 



Guarda Escolta, Rio Salado, Santiago del Estero, Argentina, 1 

 cf, 14 9.1 juv. 9. 



Cruz del Eje, Cordoba, Argentina, 2 cf , 13 9 , allotype, paratijpes, 



2 juv., 3 oothecae, [Hebard Cln., A. N. S. P., and U. S. N. M.]. 

 Cordoba, Cordoba, Argentina, 1 cf, type. 



Buenos Aires, Buenos Aires, Argentina, 1911, (Dr. C. C. Craft; 

 on ship), 1 cf , [U. S. N. M. ]. 



