1971] 
Roth — Blattaria 
297 
Fig. 1. (978 L). Male genitalia (dorsal view) of Panchlora vosseleri 
Shelford. Usambara-Berg, Tanganyika (det. Princis). (Ll = first sclerite 
of left phallomere; L2d = dorsal sclerite of L2 ; L2vm = ventromedial 
sclerite; R2 = hooked sclerite of right phallomere. To conserve space the 
photographs of the phallomeres have been placed closer together than they 
were arranged on the slide. 
lost in preparation. Because of light pigmentation, Polaroid Type 
51, high-contrast film usually was used to illustrate them (cf. Figs. 
21-22). 
The source of each of the specimens illustrated is given using the 
following abbreviations: (BMNH) = British Museum (Natural 
History), London; (CUZM) = Copenhagen University, Zoological 
Museum, Denmark; (L) — Zoological Institute, Lund, Sweden; 
(N) = U. S. Army Natick Labs.; (USNM) = United States 
National Museum, Washington, D.C. Geographical collection data 
and the names of specialists who identified the specimens, if known, 
follow these abbreviations. The number preceding the abbreviations 
