308 On Deronectes depressus, Fab., and elegans, Panzer. 
31. ScurépTE, J.C. 1841, Danmarks Eleutherata, pp. 447, 448. [elegans 
a synonym, 
32. ScHonuerRR, C. J. 1806. Synonymia Insectorum. [elegans 
synonym. | 
33. SempLitz, G. 1886. Bestimmungs-Tabelle der Dytiscide u. Gy- 
rinide, pp. 56, 57. [elegans a distinct species. First mention of 
tarsal claws of dg asa epecinege character. | 
species. | 
1891. Fn. baltica, ed. 2, pp. 80, 81. [elegans a distinct 
35. SHarp, D. 1882. ‘ Dytiscide ’’ (Trans. Roy. Dublin Soc. ii, ser. 2), 
p. 427. sp. 472. [depressus, F. No synonym. | 
36. STEPHENS, J. F. 1828. Ill. Brit. Ent. Mand. il. p. 51. [elegans a 
synonym. | 
elegans a synonym, 
1829. Cat. of Insects, i. Mand. p.44. [depressus, Kunzé, and 
38. Srurm, J. 1835. Deutschland Fn. ix. pp. 7 et sey. [8 spp., de- 
pressus, elegans, and brevis. | 
1877. Icones Coleopterorum German i(nlates eciii. & cev.). 
40. Tuomson, C.G. 1859. Skandinaviens Col. i. p. 19. [depressus 
only. ] 
41. Wiuson, J., & Duncan, J. 1834. Entomologia Kdinensis, p. 120. 
[elegans a synonym. | 
42, ZETTERSTEDT, J. W. 1828. Fn. Insectorum Lapponica, p. 226. 
[elegans a synonym. | 
EXPLANATION OF THE PLATES. 
Puate VII, 
Fiy. 
Fig. 
land. 
1 
2 
land. 
Fig. 3. Drawing of Deronectes elegans, Pz., gd. KR. Cam, Cambridge. 
Fg. 4. 2 
7 ” ” : ” ” 
PuaTeE VIII. 
Fig. 1, Right anterior tarsal claws of ¢ D. depressus, F. Talkin Tarn, 
‘Cumberland. 
Fig. 2. Ditto, ditto. Loch of the Lowes, Selkirk. 
Fig. 3. Ditto, ditto. Lagan Canal, Co. Antrim. 
Fig. 4. Right anterior tarsal claws of ¢ D. elegans, Pz. Round L. of 
Glenhead, Kirkeudbright. 
Fig. 5. Ditto, ditto. Auchenreoch L., Kirkcudbright. (Note the in- 
equality of the claws in this case, which is exceptional.) 
Fig. 6. Lateral view of zedeagus of D. depressus, F. 
Fg. 7. Dorsal view of eedeagus of D. depressus, F. 
Fig. 8. Dorsal view of edeagus of D. elegans, Panz. 
Drawings of the tarsal claws are all to the same scale. 
. Drawing of Deronectes depressus, F., g. Talkin Tarn, Cumber- 
. Drawing of Deronectes depressus, F., 2. Talkin Tarn, Cumber- 
