148 FAUNA HAWAIIENSIS 



Fam. CORIXIDAE. 

 CoRixA Geoffroy. 



Corixa Geoffroy. 1762, Hist. nat. Insectes i. p. 478; Kirkaldy, 1897, Entom, 



p. 260. 

 Sigara Fabricius, 1775, Syst. Entom. p. 691. 

 Corisa Amyot and Serville, 1843, Hemipt. p. 445 ; Fieber, 185 1, Abh. bohm. Ges. 



Wiss. (v) 7, p. 215. 



A large genus of world-wide distribution. An elytron from the early Tertiaries of 

 Rott has precisely the picturation of modern forms, and the genus has been recorded 

 from the Jurassic of Solenhofen. 



(i) Corixa blackburni F. B. White. 



Corixa blackburni V . B. White, 1877, Ann. Mag. Nat. Hist. (4) xx. p. 114, and 

 1878, lib. cit. (5) I. p. 366. 



The lines on the corium are short, interrupted and contortuplicate and are not 

 divided into regular series. Intermediate tarsus very slightly shorter than claws. 



J. Pala boldly arched from the base, suddenly acuminate near the apex. 



%. Pala very like that of C. pygviaea, Fieber. 



Long. 3^ — 5 mm. ; width across eyes \^ — i^ mm. The males as usual are 

 a little smaller. 



Hab. Oahu, Honolulu (Perkins, i %) ; very common in salt-water pools (on the 

 sea-shore) formed artificially for the manufacture of salt (White). — Maui, Lahaina 

 [Mus. Bremen ; "plentifully in a pool, October" (Schauinsland)]. 



I have seen the type in the Perth Museum, and six other examples. 



Fam. NOTONECTIDAE. 



Anisops Spinola. 



Anisops Spinola, 1837, Essai, p. 58; Fieber, 1851, Abh. bohm. Ges. Wiss. (v) 7, 

 p. 481. 



A genus of world-wide distribution, except North Palaearctic. Some forms, very 

 close to this, are recorded from the early tertiaries of Rott. 



(i) Anisops, sp. ? 



Hab. Thirty-nine specimens of a species allied to A. viii'ens Signoret (from 

 Madagascar, etc.) have been collected by Mr Perkins, 2)7 from Hawaii, Kona, 3000 ft. 



