44G FAUNA AND FLORA OF NORFOLK: COLEOPTERA. 
Ehantus pulverosus, Stepli. Mousehold Heath; St. Faith’s ; 
Wretham Heath ; Stalharn (Wood) ; Waxham 
(Champion). 
„ graph, Gyll. Stratton Strawless ; Wretham Heath ; 
Horning (Fowler) ; Waxham (Champion). 
„ notatus, Berg. Wretham Heath ; Yarmouth (Thouless) ; 
Norfolk Fens (Fowler). 
,, bistriatus, Berg. St. Faith’s, May 1889; Waxham 
(Champion); Norfolk Fens (Fowler). 
„ exoletus, Forst. AVidely distributed, and not uncommon. 
,, adspersus, Fab. Norfolk (Stephens). 
Colymbete fuscus, Linn. Locally common. 
Dytiscus punctulatus, Fab. The commonest species of the 
genus with us. Drayton ; Eaton ; Arminghall ; 
St. Faith’s ; Eanworth ; Horning. 
,, dim 1 diatus, Berg. “ Once found on the beach” (Paget). 
„ marginalis, Linn. By no means common. 
„ oircumflexus, Fab. Burgh Castle, one example, 1887 
(Thouless); “Not uncommon in ditches” (Paget). 
Hydaticus tuansversalis, Berg. Norfolk (Fowler). 
Acinus sulcatus, Linn. Common. 
GYRINIDyE. 
Gyri'nus minutus, Fab. Hickling Broad ; Horning. Recorded 
by Burrell under the name of kirbii (Marsh). 
„ natator, Scop. Common. 
,, suffriani, Scrib. Horning; Eanworth; Hickling Broad; 
Eoydon Fen. 
,, bicolor, Payk. Hickling Broad ; Horning (Fowler). 
„ elongatus, Aub. Common near the coast ; at Hickling 
Broad, &c. 
„ colymbus, Er. Eanworth, one male, July, 1890 ; 
Hickling Broad, common. 
,, mari nub, Gyll. Abundant everywhere ; probably the 
commonest species with us. 
,, opacus, Said. Common and widely distributed ; exces- 
sively abundant on the Back River near Norwich. 
This insect is sometimes regarded as a variety 
of the preceding, from which it is, however, 
