124 ME. "W. T. KIEBT ON THE 



Mr. G-reen's specimens of this species are from Pundaloya; 

 but most of His water-bugs are from Nitagala, Puadaloya being 

 rather dry. 



GrEEBIS AEMATA. 



Gerris armata. Spin. Essaisur les Ins. Hem. p. 65 (1837). 

 Described from Ceylon. 



Geeeis Adelaidis. 



Gerris Adelaidis, Dohrn, Steti.ent. Zeit. xxi.p. 408, n. 105 (I860). 

 Described from Ceylon. 



*tCYLINDEOSTETHUS PlEBEET. 



Cylindrostethus Fieberi, Mayr, Verh. zool.-bot. Ges. Wien, xv. p. 444 

 (1865). 



Described from Ceylon. 



Mr. Green's specimen is from Nitagala. 



*tPTII'OMEEA liATICATJDATA. 



Gerris laticaudata, Hardw. Trans. Linn. Soc. Lond. xiv. p. 134, pi. vi. 

 f. 1-4 (1825). 



Ptilomera cingalensis, S^a^, (Efv. Vet.-Akad. Fork. x\i. p. 190 (1856). 

 Mr. Green's specimens are from Pundaloya. 



Halobates StIli. 



Halobates Stali, Dohrn, Stett. ent. Zeit. xxi. p. 408, n. 103 (1860). 



Described from Ceylon. 



Halobates beevis. 



Metrocotis brevis, Mayr, Verh. zool.-bot. Ges. Wien, xv. p. 445 (1865). 



Described from Ceylon. 



Nepid^. 



*tBELOSTOMA INDICA. 



Belostoma indica, St. -Far g. §• Serv. Encycl Meth. x. p. 272 (1825). 



Common throughout the warmer parts of the Old World. 



*tDlPL01SrTCHUS ETISTICFS. 



Nepa rustica, Fahr. Syst. Ent. p. 691, n. 2 (1775). 



Common throughout the East Indies. 



*tNEPA eubea. 



Nepa rubra, Linn. Syst. Nat. i. p. 440, n. 2 (1758). 



Common throughout the East Indies. 



Nepa elavovenosa. 



Nepa flavovenosa, Dohrn, Stett. ent. Zeit. xxi. p. 409 (1860). 



Described from Ceylon. 



