282 PERCY SLADEN TRUST EXPEDITION 



mai'gins strongly carinately reflexed, slightly passing anterior margins of eyes ; face 

 slightly longer than clypeus, with the lateral margins moderately oblique, its anterior 

 margin notched and a little passing eyes ; mesonotum finely tricarinate ; tegmina with 

 the veins distinctly setigerous. 



Long. excl. tegm. 3^ mm. Exp. tegm. 10 mm. 



Log. Seychelles. Silhouette : high forest near Mont Pot-a-eau ; Mare aux Cochons, 

 and forest above. Mahe : near Morne Blanc, about 1000 feet ; high damp forest between 

 Trois Freres and Morne Seychellois, about 1500 — 2000 feet; Cascade Estate, 800 — 

 1000 feet; Mare aux Cochons district, 1000—2000 feet. 



153. Volcanalia varicolor, sp. n. (Plate 50, fig. 16a). 



Head, pronotum and mesonotum pale dull ochraceous, posterior margin of pro- 

 notum, and apex and carinations to mesonotum stramineous ; face pale stramineous, an 

 arcuated transverse fascia between eyes and a very large basal spot to clypeus, 

 sanguineous ; sternum testaceous, legs ochraceous, anterior and intermediate legs with 

 annulations to tibiae and the tarsi wholly black ; abdomen above black, the base 

 testaceous ; tegmina dull ochraceous, the veins darker, a pale stigmatal spot on each 

 side of which the costal margin is dark fuscous, and a smaller pale spot opposite the 

 costal one, on inner margin ; wings pale fuliginous ; vertex narrow, the lateral margins 

 carinately reflexed, distinctly extended beyond eyes ; face distinctly longer than clypeus, 

 with the lateral margins oblique, the anterior margin distinctly angulate and moderately 

 extending in front of eyes ; mesonotum finely tricarinate ; tegmina with the veins 

 distinctly setigerous. 



Long. 5 mm. 



Log. Seychelles. Silhouette : high forest above Mare aux Cochons. Mahe 

 country above Port Glaud, about 500 — 1000 feet; high forest behind Trois Freres 

 Mare aux Cochons district, 1000 — 2000 feet; Cascade Estate, about 1000 feet 

 forest near Mount Harrison, 1700 feet; high damp forest at summit of Pilot, over 

 2000 feet. 



154. Volcanalia fumosa, sp. n. (Plate 50, fig. 17 a). 



Head, pronotum and mesonotum testaceous, the carinations paler ; face, sternum 

 and legs pale ochraceous, anterior area of face and basal margin of clypeus sanguineous ; 

 abdomen beneath piceous or black, the segmental margins ochraceous ; tegmina with 

 the basal two-thirds piceous or blackish (reflecting the dark abdomen beneath), the 

 veins prominent, the costal margin, gradually widening posteriorly, and the whole 

 of the apical area more or less pale brownish-ochraceous with the veins darker, a 

 series of prominent spots to apical margin, preceded by two larger spots on costal 

 margin, pale dull castaneous ; vertex narrow between eyes, and distinctly slightly 

 projecting beyond them, its lateral margins carinately reflexed, mesonotum distinctly 

 tricarinate ; face about as long as clypeus, with the lateral margins slightly convex, 

 anteriorly distinctly projecting before eyes ; tegmina with the veins distinctly setigerous. 



Long. 4 mm. 



