THE AQUATIC COLEOPTERA OF THE MID-EBUDES 81 



strong wind was blowing which made it impossible to see 

 the bottom. There seemed to be very little life of any kind 

 in the loch, and even newts were scarce. 



During my two days at Tobermory I confined my 

 attention entirely to peat moss pools, except for collections 

 made in the Tobermory river and in one or two small streams. 

 The mountain fauna was found at from 700-800 ft. except- 

 ing A. congener which was found also at lower levels and no 

 doubt this fauna covers all the high ground on the island. I 

 have already referred to the occurrence of P. nigroceneiis, and 

 otherwise I think the list of species calls for no comment. 



With regard to the previous records for Mull, I failed 

 to find four of the fourteen species. I have already referred 

 to D. griseo-striatus, and to D. lapponicus, which, although 

 first found in Mull before 1867, has been taken com- 

 paratively recently (Professor T. Hudson Beare, 1903), and 

 no doubt still occurs in its cold and lonely habitat. Hydrcena 

 nigrita, Germ., was taken on the island by Professor Hudson 

 Beare in 1903, and this constitutes, I believe, the most 

 northern of the west of Scotland records for that species. 



Andrew Murray x mentions, on the authority of Messrs. 

 Hislop and Syme, Hydroporus halensis, F., as having been 

 taken in Mull. Previous to 1863, this species had not 

 been separated, at least by British Coleopterists, from 

 Deronectes griseo-striatus, De G., 2 so that this record perhaps 

 refers to the latter species, especially as Mull is far beyond 

 the normal distribution in Britain of H. halensis. There is, 

 however, the record for Raehills, Dumfries (Rev. W. Little), 

 also given by Andrew Murray, and the record " Near Carlisle," 

 given by Stephens. 3 Unless the latter records are wrong 

 and refer really to some other species, they are more likely 

 to refer to H. halensis than to D. griseo-striatus. H. halensis 

 has been taken in the Manchester district (a " local " specimen 

 is in the Reston Collection, Manchester Museum), whereas 



1 "Cat. of the Coleoptera of Scotland." 1853,13. 18. 



- "Ent. Annual," 1863, p. 70. 



3 " Man. of Brit. Beetles," 1839, p. 66. Mr. F. H. Day informs me that the 

 Cumberland record given in the Victoria County History as "Carlisle, T. C. 

 Heysham," and to which I referred in the " Coleoptera of the Solway District," 

 I.e. p. 85, is really Stephens' reference, and not a record of T. C. Heysham, 

 whose name was inserted by mistake. 



74 C 



