24 CATALOGUE OF 



HYDRJENA Kugelan. 



X H. RIPARIA Kug. Steph. Common, 



minimus Payk. (Helophorus.) 

 longipalpis Marsh. 

 Kugellani Leach. 



X H. NlGRITA (Miill.) Berwickshire. Mr Hardy. 



pusilla Steph. 



LIMNEBIUS Leach, Solier. 



X L. TRUNCATELLUS Thunb. Fab. Not scarce. 



Erich, (not Steph?) 

 parvulus Herbst. 

 affinis Steph. 

 ater Steph. 



. NITIDUS Marsh. Steph. Not common. Water - of- Leith ; 



trancatellus Steph. ? Berwickshire. 



L. NIGRINUS Marsh. Steph. Occasional. Near Edinburgh ; River 

 nigricans Curt. Annan, near Moffat ; Berwick- 



lutosus Marsh. Steph. - shire. 



BEROSUS Leach, Lat. 



B. LURIDUS Lin. Fab. Dumfriesshire. Rev. w. Little. 



(not Steph.) 

 fuscus De Geer. 

 globosus Curt. Steph. ? 



HYDROBIUS Leach. 



X H. FUSCIPES Lin. Steph. Common, 



aquaticus Lin. 

 scarabaeoides Fab. 



X H. GLOBULUS Payk. (Laccobius) Common. 



Steph. Syn. 



limbatus Fab. Steph. Man. 

 minutus Oliv. Marsh. Steph. 

 var. bipustulatus Marsh. 



Steph. 

 similis De Castelnau. 



LACCOBIUS Erich. 

 HYDROBIUS Steph. 



