1H91.] FROM SOUTH-WESTERN AFRICA. 101 



104. Papilio demoleus (Linn.). 



Papilio demoleus, Linn. Mus. Lud. Ulr. Reg. p. 21'!. n. 33 

 (1764), and Syst. Nat. i. 2, p. 753. n. 46 (1767). 



Omrora (August) and Ehanda (August-September). Ten male 

 examples. 



Family Hesperid^. 



Genus Pyrgus, Westw. 



105. Pyrgus vindex (Cram.). 



Papilio vindex, Cram. Pap. Exot. iv. pi. cccliii. ff. G, H (1781). 



Omrora (August) and Omaramba-Oamatako (January). Three 

 male examples, 



106. Pyrgus dromus, Plotz. 



Pyrgus dromus, Plotz, Mitt, naturw. Ver. Neu-Vorpomm. u. 

 Riigen, 1884, p. 6. n. 13. 



Ehanda (August-September). One male example. 



107. Pyrgus mafa, Trim. 



Pijrgus mafa, Trim. Trans. Ent. Soc. Lond. 1870, p. 386, pi. vi. 

 f. 12. 



Ehanda (September). One male. 



The single specimen that I believe is referable to this species is 

 smaller than usual, expanding barely 1 1 lin. The upperside differs 

 in no respect from ordinary P. mafa, but on the underside of the 

 hind wings the ground-colour is duller and paler, and the subbasal 

 and median white stripes are rather narrower, more widely inter- 

 rupted (so as to present a more macular appearance), and (in 

 common with the submarginal series of white spots) with much 

 broader and darker brownish-grey edging. 



108. Pyrgus diomus, Hopff. 



Pyrgus diomus, Hopff. Monatsb. Akad. Wissensch. Berl. 1855, 

 p. 643 ; id. Peters, Reise nach Mossamb., Ins. p. 420, t. xxvii. 

 ff. 9, 10(1862)\ 



Ehanda (August-September) and Omaramba-Oamatako (Janu- 

 ary). Ten examples ; nine males and one female. 



The two Ehanda males differ from the rest (and from all other 

 specimens that have come under my notice) in the narrowness of the 

 median white oblique band on the underside of the hind wings, 

 which in one example is not more than half the usual width. 



^ I have not seen any specimen that entirely agrees with Hopffer's figure of 

 the underside, the white bands of the underside of the hind wing being in every 

 instance more oblique. The direction of the bands in this figure is intermediate 

 between that found in P. dromus, Plcitz, and the decidedly oblique course just 

 referred to. 



