( 121 ) 



34. Discestra arenaria Hmpsn. 



2 c?(?, Bordj Obegga. 

 - Described from Karaehi, India. Tbe wide distribution appears to be common 

 to tbe greater number of desert species. 



35. Scotogramma cinnamomina sp. nov. 



1 ?, Nza-ben-Rzig ; 1 ?, Mraier, between Biskra and Tonggonrt ; 1 J, 3 ? ?, 

 sands of El-Arich, S.^V, of Touggonrt. 



?. Tbis lias been mi.xed up, together witb treitsckkfi Boisd., with <S. trifoUi 

 Rott., witb wbicb neitlier are conspecific. 



It differs at first sight from treitschkd by its mncli longer and more acute 

 wings and sandy cinnamon colour ; tbe reniform is much larger, and tlie markings 

 generally are more distinct but less deeply coloured; basal three-ciuarters of 

 bindwing greyish white, not ])ale wood-brown. 



i. Similar. Type, ? Nza-ben-Rzig. 



Length of forewing: ? LS — 21 mm.; $ 11)'5 mm. 

 „ „ „ treit^chki-i, 10 — \>< mm. 



3(5. Polia cinnamomeogrisea sp. nov. 



18 SS, 28 ? ? Bordj Uhegga ; 1 S Kef-el-Dur. 



S. Head and thorax pale grey mi.xed with cinnamon and darker grey : 



abdomen brownish wood-grey. Forewing silvery grey powdered with darker 



grey, irregular ante- and postmediau lines and various spots greenish grey, a broad, 

 jiale cinnamon Ijand from base to tornus along median fold, a shorter similar one 



from inner stigma to central one of tbe three subterminal greenish grey spot.s. 



Ilindwing buffish grey mixed with pale cinnamon, an ill-detiiied broad sub- 

 terminal sooty band. 



Length of forewing : 21 mm. 



Rather variable in shade of colour and distinctness of cinnamon bars. • 



37. Odoutelia griseola s[i. nov. 



4 (JcJ, Mraier, lialf-way Ijetween Biskra and Touggonrt ; 1 ? half-way between 

 Ouargla and El-Golea. 



S. Antennae dark brown ; head and thorax silvery grey, freckled sparingly 

 with lilack, a black hairline across tegulae and patagia inside and back of thorax 



with black hairline edges ; abdomen cinnamon brown-grey. Forewing silvery 



grey powdered and marked with darker grey ; stigma almost obsolete, on holly-leaf 

 ])attcrn of pale whitish grey edged witb black below median vein almost to apex, 



nervures slightly marked witb black. -Hindwiiig greyish white, powdered 



witb dark grey. 



?. Larger, more ash-grey, and markings and colour of veins stronger. 



One $ is strongly washed witb rose ; tbis I call ab. rosacea ab. nov. 



Length of forewing, S 2(5 mm., 9 3ii mm. 



At once distinguishable from tbe type of the genus innnjiaiM Piing. by its 

 much longer and moi'e pointed wirif^s, ])ale bin<lwiugs, absence of stigma, and in 

 the male filiform antennae, not, as in the type, strongly jjectinated ones. 



'i'he ty[)e species iii.anjkui/(, described by I'iingelcr, came from Central Asia, 



