— 287 — 
Psephenops i. 
Grouv. Not. Leyd. Mus. XX, 1898, 44. 
smithi Grouv. ibid. 45. 
Xexanchorinus i 
Grouv. Not. Leyd. Mus. XX, 1898, 45. 
latus Grouv. ibid. 46. 
Grenada, St. 
Vincent. 
Grenada. 
II. Subf. Dryopini 182 . 
Ganglb. 1. c; Diversicornes Muls et Rey. 
1 Trib. Potnmopliiliiia 34. 
Ganglb. 100; Larini Lee. 116. 
Potamophilus з . 
Germar, N. Schrift, nat. Ges. Halle 1, VI, 1811, 41, Erichs. 518, 
Muls. et Rey 12, Kuwert 16, Grouv. Bull. Soc. Ent. Fr. 1896, 
77, Ganglb. 100. 
Hydera Latr. Règne anim. III, 1817, 268. 
acuminatus Fabr. Ent. Syst. I, 1792, 246, Panz. Fn. Europa med., 
Germ. 6, 1793, 8, Germ. 42, 1. 1, Erichs. 519, Coquér. Italia sept., Ros- 
Rev. Mag. Zool. (2) III, 1851, 594, t. XV, f. 3—9, sia mer., Trans- 
sturm Deutschi. Ins. XXII, 71, t. CCCCIV, f. A, Jacq.- caucasi.a, Sibiria 
üuv. Gen. Col. II, t. 65, f. 323, Muls. et Rey 13, mer.-occ 
Kuw. 37, Ganglb. 101;— Metam.: Dufour, Ann. Soc. 
Ent. Fr. (4) II, 1862, 162, t. I. 
albertisi Grouv. Ann. Mus. Genova (2) XVII, 1896, 32. Nova Guinea, 
feai Grouv. op. cit. (2) XII, 1892, 864. Birmania. 
Hydrethus 2 . 
Fairm. Ann. Soc. Ent. Belg. XXXIII, 1889, Compt. Rend. XC, Grouv. 
Bull. Soc. Ent. Fr. 1896, 77. 
australis King Trans. Entom. Soc X. S. Wales I (3), 1865, N. S. Wales. 
159 [Lutrochous], Sharp, Biolog. Centr. Amer. I (2), 
1882, 129. 
dermestoides Fairm. 1. c, Künck. in Grandidier .Madagascar. 
ffist Madag. Col. t. XXXIII. f. 16. 
