76 Hygrotus. Pars 71 



inaequalis F. Gen. Ins. 1777, p. 239; Spec. Ins. I, 1781, Europa, 



p. 297; Mant. Ins. I, 1787, p. 193; Ent. Syst. I. Nordafrika, 



1792, p. 200; Syst. Eleuth. I, 1801, p. 272. — Sibirien 



Herbst in Füessly, Archiv Ins. -Gesch. V, 

 1784, p. 126. - Ol. Ent. III, 1795, nr. 40, 

 p, 36, t. 3, f. 29 a, b. — Payk. Fn. Suec. I, 

 1798, p. 237. - 111. Käf. Preuß. I, 1798, p. 238 

 (Dytiscus). — Duft. Fn. Austr. I, 1805, p. 268 

 (Hydrachna). — Gyll. Ins. Suec. I, 1808, 

 p. 519 (Hyphydrus). — C. R. Sahlb. Ins. 

 Fenn. I, 1834, p. 171. — Steph. 111. Brit.Ent. 

 Mandib. II, 1828, p. 48. - Zett. Fn. Läpp. 

 1828, p. 233; Ins. Läpp. 1840, p. 140. — Boisd. 

 et Lacord. Fn. Ent. Paris I, 1835, p. 338. - 

 Sturm, Deutschi. Ins. IX, 1835, p. 79. — Aube, 

 Icon. Col. V, 1836, p. 363, t. 41, f. 6; Spec. 

 Col. VI, 1838, p. 469. — Er. Käf. Mark Brandbg. 

 I, 1837, p. 167. - Heer, Fn. Helv. 1839, 

 p. 160. — Apetz, Mitt. Osterlande IV, 1840, 

 p. 194. - Gast. Hist. Kat. Col. I, 1840, p. 166. 

 — Schiödte, Danm. El. l, 1841, p. 453. — Redt. 

 Fn. Austr. 1849, p. 120; ed. 2, 1857, p. 86; 

 ed. 3, 1874, I, p. 94. — Bach, Käferfu. Nord- 

 deutschl. I, 1851, p. 108. — Fairm. et Laboulb. 

 Fn. Ent. Franc. 1, 1854, p. 196. — Jacq. du 

 Val, Gen. Col. d'Eur. I, 1857, t. 25, f. 125. - 

 Kuhn, Käf. südbayr. Flachl. 1858, p. 131. - 

 Gutfl.-Bose, Käf. Deutschi. 1859, p. 53. - 

 C. G. Thoms. Vet. Ak. Handl. 1854, p. 210; 

 Skand. Col. II, 1860, p. 11. - Fuß, Arch. 

 Siebenb. IV, 3, 1860, p. 97. - Kiesw. Nat. 

 Ins. Deutschi. I, 2, 1868, p. 31. - Seidl. Fn. 

 Balt. 1872, p. 45 (Hydroporus); ed. 2, 1887, 

 p. 76; Verh. Nat. Ver. Brunn XXV, 1887, 

 p. 39; Fn. Transsylv. 1888, p. 87. — Sharp, 

 On Aquat. Carn. Col. 1880-82, p. 395. - 

 Bedel, Fn. Col. Bassin Seine I, 1881, p. 232. - 

 Fowler, Col. Brit. Isl. I, 1887, p. 168. — Gangib. 

 Käf. Mitteleur. I, 1892, p. 450. - Kliment, 

 Cesti brouci, 1896, p. 90, t. 7, f. 11. - Everts, 

 Col. Neerl. I, 1898, p. 119. - Stierl. Col. Helv. I, 

 1900, p. 1S2. — Lameere, Fn. Belg. II, 1900, 

 p. 820. - Csiki, Mag. Bogarfn. I, 5, 1908, 

 p. 471. - Reitt. Fn. Germ. I, 1908, p. 208, 

 t. 33, f. 4; Süßwasserfn. Deutschi. III — IV, 

 1909, p. 17. — C. Schauf. in Calwer, Käferb. 

 ed. 6, 1913, p. 121. 

 minor Costa, Ann. Acad. Aspir. 2, I, 1847, p. 97. 

 trifidus Marsh. Ent. Brit. I, 1802, p. 423 



(Dytiscxis). 

 r eticulatus Steph. III. Brit. Ent. Mandib. II, 



1828, p. 48. 

 a,\>. parvulusV. Ent. Syst. I, 1792, p. 201; 

 Syst. Eleuth. I, 1801, p. 273. - Clairv. Ent. 

 Helv. II, 1806, p. 185, t. 28, f. B (Dytiscus). - 

 Schilsky, Deutsche Ent. Zeitschr. 1889, p. 345. 

 — Zimmerm. Arch. f. Naturgesch. 83, 1917 

 (1919), A. 12, p. 153. 



