244 PERCY SLADEN TRUST EXPEDITION 
Loc. Aldabra, 1908 (Fryer). Farquhar Atoll, 1905. Amirantes: Poivre and 
d’Arros Islands, X. 1905. Coetivy, 1905. Seychelles: Bird Island, 1908 (Fryer) ; 
Dennis Island, 1908 (Fryer); Silhouette, near coast*, 1908; Mahé, 1905 and 1908. 
Described from Mauritius: widely distributed in Africa. 
2. Acanthaclisis maritimus, sp. nov. (Fig. 2). 
Length 30 mm., male appendages 5 mm. additional; female 33 mm. exclusive of 
appendages. Antenne 10 mm.; fore wing 41 mm., hind wing 37 mm. Expanse of fore 
wings 86 mm. 
A rather elongate, long-winged species. Colours brown and yellow. Face yellow: 
head above from the base of the antennee upward and backward fuscous, with three 
transverse rows of yellow spots, the spots of the middle row being smaller than on those 
of the other rows. Antenne fuscous, annulate with paler brown ; regularly increasing in 
diameter from the second segment to near the end of the club, and mucronate on the very 

Wa LR 


Fig. 2. Acanthaclisis maritimus, sp. nov., wings; cu, cubital vein; r, radial planate; «, median nexus. 
tip. Prothorax one half longer than wide, grayish above, its sides yellow, with a pair of 
rather broad dorsal stripes that are made up of vermiculate fuscous markings. The mid- 
dorsal grayish tract is sprinkled with minute fuscous dots, that are sometimes confluent 
in three pairs of indistinct dashes. Meso- and metathorax above grayish, marked 
irregularly with fuscous, and suffused with fuscous at the junction of the segments above. 
The rather long and sparse hairs clothing the thorax are fuscous in front and above, and 
white at the sides and in the rear. Legs yellow, thinly clothed with long yellow hairs, 
and the femora beset with numerous short blackish spines. The tibize of the fore and 
middle legs are doubly ringed with fuscous, one ring being apical and the other near the 
base, the latter on the fore tibia being more extensive and sometimes divided. Tarsi 
yellow, with the base of the first segment, all of the second, third and fourth segments 
* Tn 1908—9 I never observed WM. obscurus in the endemic mountain-forests of Mahé and Silhouette, but 
obtained specimens only from the lower parts of the islands.—H. Scorr. 
