Pars 71 Coelam!)US. 



111. Käf. Preuß. I, 1798, p. 267. - Daft. 

 Fn. Austr. I, 1805, p. 271 (Dyüscits). — 

 Gyll. Ins. Suec. I, 1808, p. 528 (Hyphydrus). - 

 C. R. Sahlb. Ins. Fenn. I, 1834, p. 176. - Steph. 

 lU. Brit. Ent. II, Mandib. 1828, p. 52. — 

 Sturm, Deutschi. Ins. IX, 1835, p. 33. — 

 Boisd. et Lacord. Fn. Ent. Paris I, 1835, 

 p. 329. - Aub6, Icon. Col. V, 1836, p. 262, 

 t. 30, f. 3; Spec. Col. VI, 1838, p. 544. - 

 Er. Käf. Mark Brandbg. I, 1837, p. 169. - 

 Heer, Fn. Helv. 1839, p. 154. - Gast. Hist. 

 Nat. I, 1840, p. 165. - Zett. Ins. Läpp. 1840, 

 p. 137. - Schiödte, Danm. Eleuth. 1, 1841, p.445. 

 — Redt. Fn. Austr. 1849, p. 122; ed. 2, 1857, 

 p. 89; ed. 3, 1874, p. 96. — Bach, Käferfn. Nord- 

 deutschl. I, 1851, p. 111. — Fairm. et Laboulb. 

 Fn. Ent. Fran9. I, 1854, p. 213. - Kuhn, Käf. 

 südbayr. Flachl. 1858, p. 132. — Gutfl.-Bose, 

 Käf. Deutschi. 1859, p. 56.— C. G. Thoms. 

 Vet. Ak. Handl. 1854, p. 194; Skand. Col. II, 

 1860, p. 13. - Fuß, Arch. Siebenb. IV, 3, 

 1860, p. 98. — Kiesw. Nat. Ins. Deutschi. I, 

 2, 1868, p. 37. - Seidl. Fn. Balt. 1872, p. 46 

 (Hydroporus). 



flav icans Müller, Zeel. Dan. Prodr. 1776, 

 p. 74. - Gmel. in L. Syst. Nat. I, 4, 1790, 

 p. 1951 (Dytiscus). 



? lineatus O. Müll. Zool. Dan. Prodr. 1776, 

 p. 74 (Dytiscus). 



ovalis Thunbg. Nova Acta Upsala IV, 1784, 

 p. 19. - Gmel. in L. Syst. Nat. I, IV, 1790, 

 p. 1952 (Dytiscus). 



punctatus Marsh. Ent. Brit. I, 1802, p. 426 

 (Dytiscus). 



porosus Gebier in Dejean, Hydr. Cat. ed. 3, 

 1837, p. 64. 



s i m ilis Kirbv, Fn. Bor.-Am. IV, 1837, p. 68. — 

 J. Lee. Proc.'Acad. Philad. VII, 1855, p. 292, 

 298 (Hydroporus). 



$ var. lineellus Gyll. Ins. Suec. I, 1808, 

 p. 529. - C. R. Sahlb. Ins. Fenn. I, 1834, 

 p. 176. - Aube, Icon. Col. V, 1836, \}. 263, 

 t. 30, f. 4; Spec. Col. VI, 1838, p. 546. - Heer, 

 Fn. Helv. 1839, p. 155. -- Apetz, Mitt. Oster- 

 lande IV, 1840, p. 197. — C. G. Thoms. Skand. 

 Col. II, 1860, p. 14. — Kiesw. Nat. Ins. Deutschi. 

 I, 2, 1868, p. 37. - Seidl. Verh. Nat. Ver. 

 Brunn XXV, 1887, p. 41; Fn. Balt. ed. 2, 

 1887, p. 78; Fn. Transsylv. 1888, p. 88. - 

 Gangib. Käf. Mitteleur. I, 1892, p. 453. — 

 Stieri. Col. Helv. I, 1900, p. 183. - Reitter, 

 Fn. Germ. I, 1908, p. 209; Süßwasserfn. 

 Deutschi. III -IV, 1909, p. 18. - Csiki, xMag. 

 Bogarfn. I, 5, 1908, p. 472. 



a l ter nans Kunze, Neue Schrift. Nat. Ges. 

 Halle II, 4, 1818, p. 62. - Steph. III. Brit. 

 Ent. Mandib. II, 1828, p. 53. — Sturm, Deutschi. 

 Ins. IX, 1835, p. 28, t. 206, f. C (Hydroporus). 



