oS Oa nN oO ef 
10. 
IHF 
Deronectes depressus, Fab., and elezans, Panzer. 307 
. Bacu. 1854-60, Kafer Fauna fiir Nord u. Mittel Deutschland, 
&e., p. 109. [elegans a distinct species. | 
. BepeEt, F. 1881. “ Fauna du Bassin de la Seine” (Ann. Soc. Ent. 
France), i. p. 236, [Is uncertain as to elegans being distinct !] 
. Bosé. 1859, Die Kifer Deutschlands. [elegans a distinct species. } 
. DurrscumipT, K. 1805. Fn. Austriz, pt, i. p. 272. [The first 
author to regard elegans as a synonym. | 
. Everts, J. E. 1898. Col. Neerlandica, i. p. 122. [Merely follows 
Ganglbauer. | 
. Fasricius, J.C. 1792, Entomologia Systematica, &c., i. p. 195. 
{ Dytiseus depressus, original description. | 
FarrMairE, L, 1854. Fn. Ent. France, Coleoptera, i. p. 210, 
[Gives “ depressus, F—Aubé sp. 506. No synonyms. | 
Favre, E. 1890. ‘ Fn. des Col. du Valais, &c.” (Nouv. Mém. Soe. 
Helvetique, 4 sér. i. p. 51). [depressus, with synonym brevis, 
Stm. } 
. Fowier, W. W. 1887. Coleoptera of the British Islands, i. p. 171. 
[depressus, F. No synonym. | 
. GANGLBAUER, L. 1891. Kafer von Mitteleuropa, i. pp. 462, 463. 
[elegans a distinct species. } 
. GYLLENHAL, L. 1810. Ins. Suecica,i. p.526. [elegans a synonym. } 
. Heer, O. 1837. ‘ Die Kifer der Schweiz, &e.” (Mém. Soc. helv. 
Se, Nat. ii. p.91). [depressus, F., Payk., and var. 8. pallidus, Heer. } 
1841. Fn. Coleoptera Helvetica, part i. p. 152. [H. de- 
pressus, F., Stm., Aubé, and Gyll. The inclusion of Aubé indi- 
cates that he regards elegans as a synonym. | 
. Inuicger, J. K. W. 1798. Kaf. Preuss. i. p. 265. [elegans as a 
distinct species, but he only knew depressus from a description !] 
. Jounson, W. F., & Harper, J. N. 1901. “ Beetles of Ireland ” 
(Proc. Roy. Irish Acad. ser. iii, vi.). [depressus, F. No 
synonymy. | 
. Kunze,?G. 1818, Entomologische Fragmente, 63 Sam. i. p. 22. 
[elegans a synonym. } 
. Marsuam, T. 1805, Ent. Brit. i, pp. 421, 422. [elegans only. ] 
. Murray, A. 1853. Cat. Col. Scotland, p. 18. [“ H. elegans, 
Illig. (depressus, Aubé, Steph., not Fabr.—érevis, Sturm).”] 
. Panzer, G. W. F. 1798 e¢ seg. Fn. Insectorum Germanie initia, 
or Deutschlands Insecten, Coleoptera, xxiy. 5. [Dytiscus elegans, 
original description. | 
. Payxuty, G. 1798. Fn. Suecica, i. pp. 221, 222. [depressus only. ] 
. RepTENBACHER, L. 1849, Fn. Austriaca, p. 121. [elegans a 
synonym. | 
. RerttEr, EK. 1906. Cat. Col. Europe, p. 114. [elegans a distinct 
species. | 
1908. Fn, Germanica, i. p. 213. [elegans a distinct species. ] 
[Repeated in Die Susswasserfauna Deutschlands, 1909, p. 23.] 
. SAHLBERG, C. R. 1834, Insecta Fennica, p. 176. [depressus 
only. | 
. SAHLBERG, J. R. 1900. Cat. Col. Fn. Fennicw.  [depressus 
only. | 
. Scuaum, H.R. 1848. “ Beitrag zur Kenntniss der Nord-deutschen 
Salzkafer,” Germar’s Zeitschr. f. d. Ent. iv. p. 185. [elegans 
distinct, but vide Schaum, 1868. ] 
. — & KigsenwetrTer. 1868. LErichson’s Naturg. der Insecten 
Deutschlands, i. pp. 52, 58. [elegans a synonym. | 
