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COLEOPTERA. 



NEW BRITISH SPECIES NOTICED IN 1855. 



By E. W. Janson. 



1. Dytiscus Lapponicus, Gyll. Ins. Suec. i. 468 (1808). 



Rev. H. Clark, Zool. 4532 (1854), 4850 (1855) ; by 

 whom four specimens were captured in a small, very 

 deep lake in the Isle of Mull, in September. 



2. Hydroporus melanarius, Sturm. Deutschl. Fauna, 



ix. 59, tab. CCIX. fig. c. C. (1835). 

 Rev. H. Clark, Zool. 4531 (1854); taken by him near 



Oban, in September. 

 T. J. Bold, Proc. Tyneside Naturalist's Field Club, 



Zool. 4823 (1855) ; Prestwick Carr. 

 Rev. H. Clark, Zool. 4863 (1855) ;' Horning Fen, 



Norfolk. 



3. Hi'DROPorus elongatulus, Sturm, Deutschl. Fauna, 



ix. 52, tab. CCVIII., fig. c. C. (1835). 



T. V. Wollaston, Zool. 4655 (1855) ; above Hebden 

 Bridge, Midgley Moor, near Halifax, July. 



T. J. Bold, Proc. Tyneside, Nat. Field Club, Zool. 4823 

 (1855), [erroneously elongatuz] ; Prestwick Carr. 



Rev. H. Clark, Zool. 4864 (1855); Derbyshire, Scot- 

 land. 



4. Gyrinus celox, Schioclte. 



A. H. Haliday, Proc. Dublin Nat. Hist. Society, June 

 2,1855; Nat. Hist. Review, ii. 118(1855); taken by 

 Mr. Haliday, at Blarney Lake. 



5. HOMALOTA CAMBRICA, Wollaston. 



