THE AQUATIC COLEOPTERA OF THE SOLWAY DISTRICT Si 



extinct, or possibly I have never been to the locality at the 

 right season of the year ! 



Among Lennon's 42 specimens of so-called Helophorus 

 nubilus are 27 which are in reality H. porculus, Bedel, only 

 recently recognised as a British species (see Newberry, 

 "EMM." ser. 2, xix., 88, 1908) and previously mixed with 

 H. rugosus, Ol. They are all registered as Mid-Solway 

 specimens, and Lennon describes them as " common in or 

 near brackish pools, Kelton and Caerlaverock Salt Marshes." 



Apart from any species already referred to, Lennon 

 records 7 " Mid-Solway " species which I have not so far 

 come across, and they are : Haliplus obliqnus, F. ; Hydro- 

 poms neglectus, Schaum ; H. cclatns, Clark; Agabtis bigiittatus, 

 Ol. ; Berosus spinosus, Stev. ; Helophorus tuberculatus, Gyll. ; 

 Hydrcena nigrita, Germ. He records Haliplus obliquus as 

 " very local and scarce," and says, " As yet I have only taken 

 this species singly in the Glen Mill Burn " (Kirkcudbright- 

 shire) (MS. List). Now in his collection are 7 specimens of 

 H. obliquus and I of H. conjinis, labelled " Mid-Solway," 

 while another specimen of H. conjinis is labelled " Earlswood, 

 Surrey." In his Mid-Solway list he does not mention H. 

 conjinis which is now, whatever it was then, fairly common 

 in Lochrutton Loch. Neither of these species is a " running- 

 water " denizen, and the probability is that the specimens 

 found by Lennon, whether of H. obliquus or H. conjinis, were 

 washed down by the floods from Lochrutton Loch ! There 

 seems, however, no reason why H. obliqmis should not have 

 occurred as it is recorded from Cumberland, Northumber- 

 land S., and Berwick, and I have taken it very sparingly 

 in both Fife and Forfar. 



With regard to Hydroporiis neglectus, Lennon (1895) 

 records having found one specimen in Lochrutton Loch. 

 This species is somewhat scarce, and very local in Britain, 

 having apparently only been recorded from Kent W., and 

 Surrey, Norfolk E., and Staffs, and Yorks N.E., Mid W., 

 and N.W., and I am inclined to doubt the Solway record, 

 the more especially as the specimen is not in the Lennon 

 collection. 



There is no reason to doubt the record of H. celatus, 

 Clark, although specimens representing this species in 

 70 c 



