H YDROMETRID^ NBPIDJE. 
Ins* 239 
Neovelia, g. n., F. B. White, J. L. S. xiv; p. 487. Allied to Micro- 
veliat &c. ; type, N, traili, sp. n., 1. c. Manaos, ' 
New species : — 
Hydrometra metator, F. B. White, J. L. S. xiv. p. 486, Rio J urud ; II. 
mensor^ id., Tr, B. Soc. 1879, p. 267, Manaos ; H. argentinay Berg, Hemipt. 
Argent, p. 182, Buenos Aires. 
HygrotrecJms remigrator y Horvdth, Ann. Ent. Belg. xxii. p. cix. Kiusiu, 
Japan. 
Limnotrechus gracilicorniSy id. ihid.y Kiusiu. 
Gerris {Limnotrechus) sahlhergiy Distant, Tr. E. Soc. 1879, p. 125, 
Second Yark. Miss. p. 12, fig. 10, Leh. 
Ilydrohaies reguluSy F. B. White, J. L. S. xiv. p. 488, Rio Purus. 
Limnogonus (?) lotus and L. (?) luhricuSy id. 1. c. pp. 488 & 489, 
Manaos. 
Halohates platensisy Berg, 1. c. p. 183, Argentine Republic; H. (?) 
orientalisy Distant, ll. c. p. 126, & p. 12, figs. 11, 11 a-e, 12 a, 6, Jhelam 
Valley. 
Velia major, Puton, Pet. Nouv. ii. p. 297, Hem. H^t. France, ii. p. 150, 
S. Europe, Algeria ; V. vivida, Nicaragua, and virgata, Manaos, p. 486, 
F. B. White, 1. c. ; V. agavis, Blasquez, Nat. Mex. i. p. 289, fig. 14 
(1870), Mexico [appears to be one of the Lygceidce']. 
Microvelia mimula, F. B. Whiie, 1. c. p. 487, Manaos. 
Mesovelia mulsanti, id., Tr. E. Soc. 1879, p. 268, Rio Purus. 
Pelogonid.®. 
Pelogonus victory sp. n., Bolivar, An. Soc. Esp. viii. p. 144, Pichincha. 
NAUCORIDiE. 
Naucoris perezi, sp. n., Bolivar, An. Soc. Esp. viii. p. 144, Abyssinia. 
Ambry sus fucatuSy sp. n., Berg, Hemipt. Argent, p. 187, Argentine 
Republic. 
Pelocoris nigriculus and lautuSy Berg, id. 1. c. p. 188, Buenos Aires; P. 
procurrensy F. B. White, J. L. S. xiv. p. 489, N. Brazil : spp. nn. 
Nepidj:. 
Belostoma killing small fish; H. Turner, Am. Nat. xiii. pp. 585, 710, 
& 711. 
Zaitha zelotypuSy sp. n., F. B. White, Tr. E. Soc. 1879, p. 270, Monte- 
alegre, Amazons. 
Ranatra linearis. Habits and transformations ; C. Wilmott, Sci. Goss. 
XV. pp. 252 & 253, A. G. Laker, Ent. xii. pp. 142-145. 
