1973] 
Figures 236-244. Male genital phallomeres of Perisphaerus spp. 236- 
238. (176 ANSP). P. contiguus (from $ shown in Fig. 227). 239-241. (39 
CUZM). P. flavicornis (from $ shown in Fig. 228). 242-244. P. semi- 
lunatus (from $ shown in Fig. 230). (scale = 0.1 mm). 
Roth — Blattaria 
