THE ORTHOPTERA 



77 



FIG. 46. German Roach or Croton Bug (Blatella germanicaL.). c, egg case much enlarged 

 e, adult, natural size; /, adult carrying egg case. (From U. S. D. A. Farm. Bull. 658.) 



FIG. 47. American Roach (Periplaneta americana L.) adults: a, from above; 6, from 

 beneath, about natural size. (Modified from U. S. D. A. Farm. Bull. 658.) 



FIG. 48. FIG. 49. 



FIG. 48. Australian Roach (Periplaneta australasice Fab.). Adult, about two-thirds 

 natural size. (Reduced from U. S. D. A. Farm. Bull. 658.) 



FIG. 49. Oriental Roach (Blatta orientalis L.) adults about two-thirds natural size: 

 a, female; b, male. (Reduced from U. S. D. A. Farm. Bull, 658.) 



