DISTANT—RHYNCHOTA. PART I: SUBORDER HETEROPTERA 189 
Family Notonectide. 
Subfamily Notonectine. 
137*. Anisops varius, Fieb. 
Anisops varius Fieb., Abh. béhm. Ges. Wiss., (5) vil. p. 483 (1851). 
Loc. Seychelles. Silhouette: from a stream on the marshy plateau of Mare aux 
Cochons, over 1000 feet ; from near Mont Pot-a-eau, about 1500 feet, and from a stream 
near sea-level at Anse Mondon. Previously taken in Praslin, Mahé and Coetivy. 
Also recorded from Travancore, Philippines, Eastern Palearctic region and North 
Africa. 
138. Anisops aldabrana, sp. n. (Plate 18, fig. 30). 
Vertex between eyes and pronotum, silvery-grey ; eyes black ; scutellum ochraceous 
with a black spot at each basal angle; hemelytra blackish-grey, paler on basal area ; 
sternum and legs dull stramineous, the latter more or less streaked with black ; abdomen 
beneath fuscous ; vertex of head distinctly narrowed at base ; pronotum with the anterior 
margin angularly produced between bases of eyes, posterior margin a little concave before 
scutellum, about as long as vertex; scutellum shorter than broad, obliquely depressed on 
each side, the basal angles depressed. 
Long. 5 mm. 
Loc. Aldabra: fle Michel, X. 1908; Takamaka, 1908 (Fryer). 
Subfamily Pleinge. 
139. Plea letourneuaz, Sign. 
Plea Letourneuxi Sign., Bull. Soc. Ent. France, 1880, p. xxxiv. 
Loc. Seychelles. Mahé: marshes on coastal plain at Anse aux Pins and Anse 
Royale, I. 1909. Originally described from Hgypt. 
EXPLANATION OF PLATES 11—13. 
Puate 11. 
Fig. 1. Chilocoristoides felicitatis, gen. et sp. n. a, odoriferous aperture. 
Wig. 2. Fe mahensis, gen. et sp. n. 
Fig. 3. Husarcocoris imperator, sp. u. 
Fig. 4. Stenozygum aldabranum, sp. n. 
Fig. 5. Orbellis typicus, gen. et sp. nu. 
Fig. 6. Hyginellus gayei, gen. et sp. n. a, rostrum and body beneath. 
Fig. 7. Aphanus consocialis, sp. n. 
Fig. 8. Letheus stellatus, sp. n. 
Fig. 9. Lachnophorus albidomaculatus, sp. n. 
Fig. 10. Cligenes gardineri, sp. n. 
SECOND SERIES—ZOOLOGY, VOL. XVI. 25 
