146 ANNALS OF SCOTTISH NATURAL HISTORY 



who took specimens in the river Sheen, near Kenmare 

 (Kerry S.), and also a single specimen in Co. Dublin 

 (" I. Nat," ix. 278-284, 1900). In July 1907, I rediscovered 

 the species in the river Lee, Cork, thus confirming dear's 

 record ("I. Nat," xvi., September 1907). In England the 

 species has only been taken in South Devon, and, until in 

 1907 Mr. Philip de la Garde took 6 specimens in the river 

 Teign ("EMM.," ser. 2, xix. 14-15, 1908), it had only been 

 taken in Slapton Ley. 



My discovery of the species in Scotland came about in 

 the following way. In September 1907 I was collecting 

 near the river Ken, Kirkcudbrightshire, when I came across 

 a backwater of the river with grass growing at the edge 

 and lying out on the water. This was the habitat of the 

 species in the river Lee, so, without really expecting to find 

 the species, I worked the grass along the edge. Had the 

 first haul not produced a specimen, I doubt whether the 

 species could now be added to the Scottish List, because, 

 after all, there was no reason for expecting to find it there. 

 However, one specimen did turn up in the first haul, and I 

 got a few more specimens later. A few days later I visited 

 the Nith, where I took 1 1 specimens in two or three 

 hours. I tried one or two smaller rivers, such as the Urr 

 at Dalbeattie, but without success, chiefly perhaps because 

 a suitable habitat could not be found. In August 1908 I 

 took 16 specimens in four hauls of the net in the Luce 

 Water, near Glenluce, Wigtownshire ; but although I found 

 a likely place in the river Annan (Dumfriesshire), and worked 

 for nearly an hour in October, I could not find the species. 1 

 It only occurred on one short stretch of the Nith on the 

 Kirkcudbrightshire side, so that it has only been found 

 in Wigtownshire and Kirkcudbrightshire. 



Heloplwrus dorsalis, Marsh ( = mulsanti, Rye), occurs 

 commonly in the brackish pools by the Nith below Kelton, 

 and until 1907 this was the only Scottish locality. I have 

 since then taken it on the Preston Merse, Southwick, 

 Kirkcudbrightshire, although not so commonly as at Kelton. 



1 This may, however, have no special significance as to distribution, as I failed 

 to find it in the Nith last year, although I worked the same place as I had found 

 it at in the previous year. 



