312 Mr. G. T. Bethune-Baker's 



side, but well excurved on the other, with five rows of 

 reticulations visible under the half of the scale, whilst over 

 the remainder the rows are so closely appressed that it is 

 not possible to count them accurately, but approximately 

 there are six or seven. The reticulations are all placed very 

 closely together vertically. 



Neochrysops pterou sp. n. {-Trrepoi', a feather). 



1^. Upperside, both wings dull greyish lavender violet. Primaries 

 with a dark dash closing the cell and a narrow indefinite dark border 

 to the termen. Secondaries with the dark border quite narrow, but 

 well defined. Underside, both wings pale grey with slightly darker 

 spots encircled with white. Primaries with the usual spot closing 

 the cell ; the postmedian line is rather irregular and is composed of 

 six spots, the third transversely placed and narrowly oval, the 

 fourth is isolated, fifth shifted inwards, the sixth veiy slightly 

 outwards and erect; a series of broad submarginal interneural 

 dashes palely edged, followed by a similar series of darker interneural 

 marginal marks. Secondaries rather darker than the primaries, 

 with three very small subbasal blackish spots, followed halfway along 

 the costa by a fourth somewhat larger. The cell is closed by an 

 angled dash; the postmedian line is composed of six spots, the 

 second shifted well out, the third somewhat oval and placed slightly 

 transversely, the fourth is shifted inwards, the fifth further inwards, 

 the sixth reniform and shifted outwards ; a submarginal row of 

 sagittate interneural dashes, broadly palely edged, followed by a 

 marginal row of large dark spots ; between veins 2 and 3 a black 

 marginal spot with metallic blue external and yellow internal 

 edging. No tails. 



Expanse, 39 mm. 



Flah. Kavirondo Countey {G. E. Feather), January 30, 

 1918. 



Type in my collection. 



There is, unfortunately, but one specimen, but it is so 

 distinctly different from other species that I have no 

 hesitation in naming it, and I tliereiore dedicate it to its 

 captor. 



Neochrysops letsea Trimcn. Plates XII, fig. 16; 

 XIX,, fig. 28; XXVm, fig. 28. 



Lycaena letsea Trimen, Trans. Ent. Soc. Lond., p. 362. 

 PI. 6, figs. 3, 4 (1870) ; id. S. Afr. Butt., ii, p. 40 (1887). 



