Scien. Trans, R.D.S.Vol. 2n.s 
202. HYDERODES 
205. DYTISCUS 
208. HYDATICUS 
2\\, THERMONECTE 
WPurkass del 
212 
(Hshuckhardu Wk 9 var.) 203. DYTISCUS (Dhybridus Aube.) 
( D.lapporicus CyW. Q: y} 206. PRODATICUS (P. pictus.) 
(EE pete Aube’ ) 209. ACILIUS (A. serasulcatus Aube & ) 
Sf Colymbetes TU TTUOT OUD. Hope. } 212. THERMONECTES [Dytiscus basiaris Harr GC) ) 
Plate XVI 
| 
| 
Lic 
204. DYTISCUS (D.lapporacus Gy W é. 
207 HYDATICUS [ Ht bithamatus Aube. 
210 ACILIUS (A. semisulcatus Aube 9.) 
213 CETHIONECTES (@:. optatus. ) 
Fred Dangerfield Lith. London 2797. 
