i 8 93 - 94 *] 
121 
Glyphipteryx equitella and Fischeriella , tiny black and silver 
species, are to be found on grass, flying about 4 p.m. in the 
sunshine ; several species of Argyresthesia and Elachista are 
also to be found. In all probability much the same species 
occur at many similar spots along the Antrim coast, and a 
number of species are recorded from Glenarm, but these places 
are beyond a single day’s excursion. At Glenariffe I have taken 
Larentia olivata , which is rare in Ireland, and no doubt the 
locality would repay investigation, though it is not well suited 
for night work. 
On the north coast of Antrim, the sandhills of Ballycastle 
and Portrush are splendid collecting grounds for those species 
that frequent such places. At Ballycastle the very local Nyssia 
zonaria is plentiful at the beginning of April. So far this species 
is only recorded, in Ireland, from Ballycastle and Achill Island. 
It occurs also in the Isle of Man and on the coasts of Cheshire 
and North Wales. 
I now come to the districts in County Down, and shall confine 
my remarks to the Mourne Mountains, and more particularly 
to the immediate neighbourhood of Newcastle, which is the 
best centre for collecting. 
To the west of Newcastle there is a fine stretch of sandhills 
stretching to Dundrum Bay ; at the back of the village are the 
woods of Donard demesne, perhaps the best woods in our 
district, and beyond the woods are the mountains. Each of 
these produces its special insects, which, for the most part, are 
not to be found in the others. The best part of the sandhills 
begins about two miles from Newcastle and extends to Dundrum 
Bay ; they are continued on the opposite side of the bay, but 
this part is too distant for convenient working. 
Two butterflies are abundant all over the sandhills, Lycozna 
icarus and Satyrus semele (Grayling). The western Irish forms 
of both differ considerably from the English and European 
types, being in both cases larger and more brightly coloured. 
In the south of England the male icarus is small and of a rather 
dull lilac-blue, and the female is brown, slightly tinged with 
