'MS On Deronectes depiessus, Fab., and elegans, Panzer. 



31. ScHiooTK, J. C. 1841. Danmarks Eleutherata, pp. 447, 448. [eleyans 



a syuoiiyiu.] 



32. ScHONUKiiii, C. J. 1806. Synonymia Insectorum. \_eleyans 



synonym.] 



33. Seidlitz, G. 1886. Beatimmungs-Tabelle der Dytiscidae u. Gy- 



rinidie, pp. 56, 57. {e/ei/aiis a distinct species. First mention of 

 tarsal claws of c5' as a specitic character.] 



34. . 1891. Fn. baltica, ed. 2, pp. 80, 81. [elegans a distinct 



species.] 



3o. Sharp, D. 1882. " Dytiscidae " (Trnus. Roy. Dublin Soc. ii. ser. 2), 

 p. 427. sp. 472, \_depressus, F. No synonym.] 



36. SiBrHENS, J. F. 182S, 111. Brit. Ent.Mand. ii. p. 51. [eleyans a 



synonym.] 



37. . 1829. Cat. of Insects, i. Mand. p. 44. [depressus, Kunz6, and 



elegans a synonym.] 



38. SxtJRM, J. ] 835. Deutscliland Fn. ix. pp. 7 et seq. [3 spp., de- 



pressus, elegans, and brevis.~\ 



39. . 1877. Icones Coleopterorum Germanise (plates cciii. &CCV.). 



40. Thomson, C. G. 1859. Skandinaviens Col. ii. p. 19. [depressus 



only.] 



41. Wilson, J., & Duncan, J. 1834. Entomologia Edinensis, p. 120. 



[elegans a synonym.] 



42. Zetterstedt, J. W. 1828. Fn. Insectorum Lapponica, p. 225. 



[elegayis a synonym.] 



EXPLANATION OF THE PLATES. 



Plate VII. 



Fig. 1. Drawinjr of Deronectes depressus^ F., c? • Talkiu Tarn, Cumber- 

 land. 



Fig. 2. Dru-wmg of Deronectes depressus, F., $. Talkin Tarn, Cumber- 

 land. 



Fig. 3. Drawing oi Deronectes elegans, Pz., c^". R. Cam, Cambridge. 



.r'y. 4. „ „ „ iji . „ „ 



Plate VIII. 



Fig. 1. Right anterior tarsal claws of c? D. depressus, F. Talkiu Tarn, 

 Cumberland. 



Fig. 2. Ditto, ditto. Loch of the Lowes, Selkirk. 



Fig. 3. Ditto, ditto. Lagan Canal, Co. Antrim. 



Fig. 4. Right anterior tarsiil claws of c? D. elegans, Pz. Round L. of 

 Glenhead, Kirkcudbright. 



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 sedeagus of D. depressus, F. 



Fig. 7. Dorsal view of aedeagus of D. depressus, F. 



Fig. 8. Dorsal view of sedeagus of D. elegans, Panz. 



Drawings of the tarsal claws are all to the same scale. 



