Pars 71 



Dei'onectes. 



121 



duodecimpustulatus F. Ent. Syst. I, 1792, p. 197; Syst. Europa 

 Eleiith. I, 1801, p. 270. - Ol. Ent. III, 1795, 

 nr. 40, p. 31, t. 5, f. 46 a-d. — Payk. Fn. 

 Suec. 1, 1798, p. 220. - Marsh. Ent. Brit. 1, 

 1802, p. 422 (Dytiscus). — Gyll. Fn. Suec. I, 

 1808, p. 527 (Hyphydnis). — Boisd. et Lacord. 

 Fn. Ent. Paris I, 1835, p. 326. — BniU6, Hist. 

 Nat. Ins. V, II, 1835, p. 208, t. 8, f. 5. - 

 Sturm, Deutschi. Ins. IX, 1835, p. 5. — Aub6, 

 Icon. Col. V, 1836, p. 226, t. 26, f. 3; Spec. 

 Col. VI, 1838, p. 504. — Gast. Hist. Nat. Col. I, 



1840, p. 165. — Schiödte, Daum. Eleuth. I, 



1841, p. 449. — Bach, Käferfn. Norddeutschi. 



1, 1851, p. 112. — Fairm. et Laboulb. Fn. Ent. 

 rran9. I, 1854, p. 211. — Jacq. du Val, Gen. 

 Col. d'Eur. I, 1857, t. 26, f. 126. — Gutfl.-Bose, 

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

 Vet. Ak. Handl. 1854, p. 153; Skand. Col. II, 

 1860, p. 19. — Kiesvv. Nat. Ins. Deutschi. I, 



2, 1868, p. 51. - Seidl. Fn. Balt. 1872, p. 48; 

 ed. 2,! 1887, p. 80; Verh. Nat. Ver. Brunn 

 XXV, 1887, p. 53; Fn. Transsylv. 1888, p. 90. 



— Redt. Fn. Austr. ed. 3, 1874, p. 100. — 

 Sharp, On Aquat. Carn. Col. 1880-82, p. 424. 



— Bedel, Fn. Col. Bassin Seine I, 1881, p. 237. 



— Fowler, Col. Brit. Isl. I, 1887, p. 171. - 

 Gangib. Käf. Mitteleur. I, 1892, p. 462. - 

 Everts, Col. Neerl. 1, 1898, p. 121. - Reitt. 

 Fn. Germ. I, 1908, p. 213, t. 33, f. 18; Süß- 

 wasserfn. Deutschi. III-IV, 1909, p. 23. 



duodecimpunctatus Steph. III. Brit. Ent. 



Mandib. II, 1828, p. 51. 

 Biologie: Xambeu, Ann. Soc. Linn. Lyon 



LIV, 1907, p. 123. 

 2 



Subg. Potamodytes Ziaimerm 

 Zimmerm. Arch. f. Naturgesch. 83, 1917 (1919), A 12, p. 184. 



abyssinicus Sharp, On Aquat. Carn. Col. 1880—82, 



p. 431, t. 12, f. 153. — Reg. Ann. Mus. Genova 



(2) V, 1887, p. 637; Mem. Soc. Ent. Belg. IV, 



1895, p. 18; Bull. Soc. Ent. Ital. XXXVl, 



1904, p. 201; Ann. Soc. Ent. France LXXV, 



1906, p. 237. 

 var. atratus Reg. in Sjöstedt, Exped. Kili- 



mandjaro, Col. 7, 1908, p. 2. 

 v&v. flavidus Re^. I. c. p. 2. 

 addendus Crotch, Trans. Amer. Ent. Soc. IV, 1873, 



p. 393. - Sharp, On Aquat. Carn. Col. 1880-82, 



p. 446. 

 aequinoctialis Clark, Ann. Mag. Nat. Hist. (3) X, 1862, 



p. 178. — Sharp, I. c. p. 446; Biol. Centr.- 



Amer. Col. I, 2, 1882, p. 27. 

 ? nud atus Say, Trans. Amer. Philos. Soc. 



IV, 1834, p. 444. - J. Lee. Compl. Writ. 



of Say II, 1859, p. 559. — Sharp, On Aquat. 



Carn. Col. 1880-82, p. 803; Biol. Centr.- 



Amer. Col. I, 2, 1882, p. 30. 



Abessinien, 

 Ostafrika 



Kiüjnandjaro, 

 Engl. Ost- 

 afrika 



C'alifornien 



Mexiko, 

 Guatemala 



