(32 ) 



Underside of forewing yellowish ochreons ; of hiudwiiig white. 



Abdomen like wiugs ; shonlders, jjatagia, and face ochreons, like the costal 

 stripe. 



Expanse of wings : 35 mm. 



2 ??, Shereik, N. Sudan, January 18th, 10(J4; and Nakheila, R. Atbara, 

 February 8tb. 



71. Arenipses sabella (Hmpsn.), in Romanoff, Mem. Lqi. viii. p. oUl (1901) (Fao). 



2 JJ, -i ? ? ; tlie 6S and 1 ? from Nakheila, W. Atbara, February (3th, Tth : 

 3 ¥ ¥ from Merawi, X. «udau, March l~'th— 14th, l'.)ii4 (PI. IV. fig. 32, 39, S ?.) 



The SS are typical, but the ? ? much redder than the Arabian type, and look 

 almost a different insect. 



72. Platytes impar spec. nov. (PI. IV. fig. 8 S). 



cJ. Forewing : olive-ochreous, with faint darker dusting, this ground-colour 

 showing only in central area and towards apex ; the basal area is filled with very neat 

 dark grey dusting and bounded by a distinct black nearly vertical line at one-third ; 

 outer line from two-thirds of costa to three-fourths of inner margin, outcurved 

 above, then sinuous, more or less parallel to hindmargin ; marginal area filled up 

 with a grey cloud, leaving apex pale ; a line of black dots before hindmargin ; 

 fringe with two fine crinkled grey lines at base and broadly grey beyond, but with 

 a pale patch above anal angle : a pale spot on costa on each side of outer line ; cell- 

 spot grey, double, hardly visible. 



Ilinfliriny : ochreons grey, darker towards apex, witli a faint darker outer line 

 and blackish marginal line ; fringe wholly ochreons. 



Underside pale ochreons, heavily dusted with dark grey along costa of both 

 wings ; outer line and marginal spots shown ; fringe as above. 



Head, thorax, and abdomen ochreous ; palpi externally grey. 



? much paler : without dark basal patch and marginal clond ; the lines faint ; 

 fringe quite pale and hiudwing whitish ; the bipiiuctate cell-mark of forewing 

 plainer. 



Expanse of wings : cJ, 13 mm. ; ? , 16 mm. 



The indentation in hindmargin below apex of forewing is much deeper in the c? . 



2 c?c?, 2 ? ?, Nakheila, R. Atbara, January 31st— February 7th, 19U4. 



73. Alavona semilactea spec. nov. (PI. IV. fig. 12 S). 



Forewing ; cream-white ; the markings olive-brown : these are a basal patch 

 with curved outer edge, and a postmedian fascia of irregular shape, the inner half 

 approaching basal patiih below middle and sometimes consisting of two arms 

 enclosing a small space of the white ground-colour, the outer running obliquely 

 outward to a dark spot in middle of wing before hiudmargin, and diffused to 

 anal angle ; all these brown markings are edged and speckled with black scales ; 

 a curved band of olive and black scales before hindmargin; fringe deep, olive- 

 brown and white, with a central blackish line ; tlic wliite areas are also speckled 

 with black scales. 



Hind winy : brown-grey, whitish towards base ; fringe white, with irregularly 

 arranged brownish grey scales on basal half. 



