DISTANT—RHYNCHOTA. PART I: SUBORDER HETEROPTERA 169 
a very strong central sulcation which extends through half the length of posterior lobe 
which has its lateral margins rounded and gibbous; scutellum with two apical spinous 
angulations which are moderately curved; corium short, membrane about as long as head 
and pronotum together, not quite reaching abdominal apex; connexivum prominent and 
upwardly reflexed; legs moderately robust, femora thickened, anterior and intermediate 
femora more strongly so; anterior tibiz distinctly dilated at apices. 
By the very distinct structure of the head this genus has some affinity with 
Vilius Stal; further comparison is however precluded by the mutilated antennze in the 
unique type. 
89. Rochonia galeatus, sp. n. (Plate 12, fig. 3a). 
Head, pronotum and scutellum black, somewhat shining ; posterior pronotal lobe 
with a small ochraceous spot near its anterior angles; antennze castaneous, antenniferous 
tubercles ochraceous ; corium dull piceous, membrane black, opaque ; connexivum 
ochraceous with large black spots; body beneath shining black, lateral margins of 
abdomen with ochraceous spots; legs black, anterior and intermediate legs with the 
apices of the femora and nearly basal halves of tibize ochraceous; posterior legs with 
apices of femora and the whole of tibize more or less ochraceous; bases of intermediate 
and posterior femora ochraceous; structural characters as in generic diagnosis. 
Long. 13 mm. 
Loc. Seychelles. Silhouette: Mare aux Cochons, over 1000 feet, VITI—IX. 1908. 
Subfamily Harpactorine. 
Genus NAaGusta. 
Nagusta Stal, Ofv. Vetensk.-Akad. Férh., 1859, p. 374; id., Hem. Aft., ii. p. 59 
(1865); id, Kn. Hem., iv. p. 7 (1874). 
This genus, well and adequately described by Stal, is found in the Palearctic, 
Ethiopian and Oriental regions. Its distribution has been rather obscured by some 
recent and perhaps careless criticism. Thus Schouteden (Rev. Zool. Afric., i. p. 113 
(1912)) has recently complained of the short description I have given to a species which 
he refers to as N. pallida Dist. I know nothing of such a species, nor have I described 
such an one. 
90. Nagusta maura, sp. n. (Plate 12, fig. 8). 
Head and anterior lobe of pronotum pitchy-brown, posterior lobe of pronotum, 
scutellum and corium purplish-brown; membrane greyish with a metallic sheen, the 
venation darker; body beneath brownish, more or less thickly cretaceously tomentose ; 
legs testaceous, anterior femora obscurely darkly annulate, intermediate and posterior 
femora darker at apices; head with the postocular about twice the length of the ante- 
ocular area with a slender oblique spine on each side of apex; antennze testaceous, 
sparsely and shortly pilose, first joint about as long as anterior femora, second a little 
shorter than first; rostrum with the first joint about as long as the other two joints 
