io8 THE SCOTTISH NATURALIST 



districts. I there used the brackish water species, because 

 they form a community whose movements inland are com- 

 paratively few, and are easily detected. Since I wrote the 

 paper referred to, other cases of inland records of such species 

 have been published, and two instances have come under my 

 own observation within the last year or so. In one case I 

 found a single specimen of CcElatnlms parallelogravinms, Ahr., 

 in a pond in Cambridge, and in the other a specimen of 

 Hydrobius ob/ongus, Herbst, occurred in a marsh drain just 

 outside Cambridge. Both of these species are normally 

 confined to coastal, if not actually to brackish, pools. 



Among fresh-water marsh species there are quite a 

 number of authenticated records which also show that water- 

 beetles do, b}' some means or other, reach places far removed 

 from their normal haunts. The following are a few 

 examples: — 



*£> 



Hydroporus dorsali's, F. — A single specimen from Tonabrocky, 

 West Gahvay, taken by Mr J. N. Halbert, and now in the 

 Dublin Museum. The species is common in Ulster, but is 

 otherwise unknown in Ireland. 



Hydroporus morio, Dej. — A single dull female specimen from Deal, 

 East Kent, in the collection of Mr E. A. Newbery, who 

 kindly sent it for my inspection. 



The species has been once recorded for East Sussex in 

 the first supplement to the Natural History of Hastings and 

 St Leonards, 1883, where it is described as having been 

 taken at Hollington, and being rare. The old record is 

 repeated in the Victoria County History and in Bennefs 

 "List of the Coleoptera of the Hastings District, 1910" 

 (/onrn. Hastings and St Leonards Nat. Hist. Soc, I., No. 5, 

 pp. 212-228). This old record may quite well be correct, 

 and if so is another example, as the species has not been 

 recorded since from this well-worked district. There is no 

 other English record for the species south of a line from 

 Chester to N.E. Yorks, excepting a Herefordshire one. The 

 species is definitely a mountain one throughout our country. 



Agabus conge?ier, Payk. — A single specimen in the Mweelrea 

 Mountains, West Mayo, the only one so far recorded from 

 Ireland (vide Clare Lsland Survey, Part 29, "Aquatic 

 Coleoptera," 1912). 



