280 PERCY SLADEN TRUST EXPEDITION 



opposite spot on inner margin, creamy-white ; wings fuliginous with a pale longitudinal 

 suffusion ; face slightly shorter than clypeus, its apical margin truncate, only slightly 

 projecting before eyes ; mesonotum tricarinate ; tegmina with the veins distinctly 

 setigerous. 



Long. excl. tegm. 3 mm. Exp. tegm. 8 mm. 



Log. Seychelles. Mahe : country above Port Glaud, about 500 — 1000 feet; forest 

 above Cascade Estate ; top of Mount Sebert, nearly 2000 feet. 



148. Volcanalia atrostriata, sp. n. (Plate 50, fig. 21 a). 



Head, pronotum and mesonotum ochraceous ; mesonotum with a central longi- 

 tudinal fascia and the lateral areas, castaneous-brown ; body beneath and legs very 

 pale ochraceous ; lateral mai-gins and two central fasciae to face, two central fasciae 

 to clypeus, black, apices of tibiae and tarsi more or less pale brownish ; tegmina pale 

 castaneous-brown, the lateral and central area largely greyish-white, apical third more 

 or less ochraceous, its inner and apical margins, and a costal spot beyond middle, 

 pale castaneous-brown ; vertex of head narrow between the eyes and roundly produced 

 a little in front of them, its lateral margins distinctly, darkly, carinately refiexed ; 

 face about as long as clypeus, anteriorly truncate, a little anteriorly centrally produced, 

 the lateral margins convexly ampliated ; mesonotum finely tricarinate ; tegmina with 

 the veins obscurely setigerous. 



Long. 4^ mm. 



Log. Seychelles. Mahe : high damp forest at summit of Pilot, over 2000 feet ; 

 high forest' behind Trois Freres, 1500 — 2000 feet. 



I have seen a variety of this species in which the two central black fasciae to 

 the face are coalesced. 



149. Volcanalia atrovaria, sp. n. (Plate 50, fig. 18 a). 



Head, pronotum and mesonotum pale ochraceous, lateral ai-eas of mesonotum 

 distinctly darker ; body beneath and legs pale ochraceous ; sublateral margins and two 

 central narrow longitudinal fasciae to face, a central spot at base and the apex of 

 clypeus, and the anal abdominal appendage to female, black ; tegmina greyish -white, 

 more or less tinted with ochraceous, inner and outer basal mai^ginal spots, two 

 similarly placed spots beyond middle, a transverse line before apical third, a strongly 

 curved longitudinal line to same and the apices of the apical veins, pale castaneous- 

 brown ; vertex narrow between eyes and roundly continued a little in front of same, 

 its lateral margins distinctly carinately refiexed ; face about as long as clypeus, anteriorly 

 truncate, a little anteriorly centrally produced, the lateral margins convexly ampliated ; 

 mesonotum finely tricarinate ; tegmina with the veins obscurely setigerous. 



Long. 4 mm. 



Log. Seychelles. Silhouette: near Mont Pot-a-eau, about 1500 feet; high forest 

 above Mare aux Cochons. Mahe : high forest of Morne Blanc ; Mare aux Oochons 

 district, 1000—2000 feet; Cascade Estate, forest, 1000—2000 feet. 



