222 NORTH AMERICAN BLATTIDAE 



Length Length Width Length Width 



9 of of of of of 



body pronotuni pronotum tegmen tegmen 



Distri to Federal, Mexico 21.3 7.6 12.4 19. i 9.3 



Guadalajara, Jalisco, Mexico 24 . 3 8.1 13.7 21 . i 9.9 



Uruapan, Michoacan, Mexico 22.7 8.4 14.3 20.8 9.8 



Coloration. — cT. Pronotum solid mars brown, deepest mesad. 

 Head, to clypeus, blackish chestnut brown; eyes prout's brown; 

 ocelli zinc orange; clypeus, underparts and limbs ochraceous- 

 tawny, paler proximad on abdomen. Tegmina translucent to 

 transparent; marginal field ochraceous-buff, with cingulate margin 

 russet; other portions, proximad mars brown for half the extent 

 of the anal field, thence with small, irregular, transparent, colorless 

 patches, these becoming increasingly numerous and larger distad, 

 as the dark ground color becomes more dilute; portion of dextral 

 tegmen, concealed when at rest, in large part hyaline, the diagonal 

 channel broad and polished in proximal portion. Wings hyaline, 

 with an elongate, narrow, opaque,, warm buff area meso-distad on 

 the costal margin, the immediate costal margin beyond this 

 tawny. 



9 . Pronotum and head as in male, excepting the much reduced 

 ocelli, which are warm buff. Limbs and ventral surface of abdo- 

 m.en chestnut brown. Tegmina weakly translucent, mars brown, 

 shading distad to dresden brown with irregular, transparent blotches 

 of buckthorn brown, these smaller than the corresponding blotches 

 in the male. Wings hyaline, tinged with ochraceous-tawny. 



In addition to a male and two females in the National Museum without data, we 

 have had before us 14 specimens; 10 males and 4 females. 



Guanajuato, Guanajuato, Mexico, (A. Duges), i 9 , [U. S. N. M.]. 



Jalapa, Vera Cruz, Mex., VI, 23, 1898, I cj^ ; VIII and IX, (O. \V. Barrett), 5 cf , 

 lA. N. S. P. and Hebard Cln.]. 



Distrito Federal, Mex., VII and VIII, 1910, I c^, I 9 , [U. S. N. M.]. 



Tacubaya, D. F., Mex., VIII, i d" , [Hebard Cln.]. 



Uruapan, Michoacan, Mex., 1899, (S. N. Rhoads), i 9,'^' [A. N. S. P.]. 



Guadalajara, Jalisco, Mex., (D. L. Crawford), 3 cf, I 9, [A. N. S. P.]. 



^^' Recorded by Rehn as H. azteca. 



