264 THE ENTOMOLOGIST. 
Dr. Scott has been good enough to make arrangements 
whereby some of these interesting Dragonflies have been acquired 
by the British Museum (Natural History). 
ABISKO AND BOSSEKOP REVISITED. 
By Augpert F. Rosa, M.D. 
WHEN giving my experiences and recording the species of 
diurni | had met with while on a journey in Arctic Scandinavia 
in 1919 (‘ Entom.,’ liu, pp. 109-115, and p. 181 et seq.), I had 
occasion to express regret that I had been unfortunate in being 
rather late for several of the more important species. ‘This 
circumstance, which might happen with the most carefully- 
planned expedition, might depend entirely upon the forwardness 
of the season, or be due to unavoidable and unforeseen delays, 
and where several districts far removed from one another are 
included, it is almost certain that there will be some of the 
desired species on the wing at the same time in at least two of 
the localities included in the trip. 
At the best, one rarely visits any region, and returns with a 
complete series of examples of all the species and varieties 
previously recorded ; bui, so far as Scandinavia is concerned, the 
season is so short and the facilities for travelling so favourable 
that it is rather extraordinary what can be done even in a very 
limited period of time. 
So finding myself still short of several species, and in other 
instances rather deficient as to numbers of specimens, I thought 
a second round of these most interesting localities would be well 
worth making. 
As I was later in starting than on the previous occasion, I 
had to pass Jemtland so as to be in advance of my former date. 
Crossing to Gotenburg, and stopping one day at Stockholm, 
I went right on to Abisko, where I arrived on June 16th, and 
found the district thawing after a severe snowstorm which had 
lasted several days during the previous week. 
This state of affairs was greatly to my advantage, because I 
found the different species just emerging, and I was able on my 
first day, which was bright, to obtain specimens in the finest 
condition. 
The temperature was very low, and there were no mosquitoes 
at this time. The smaller lakes were covered, or partly so, by a 
sheet of ice. The mountains were much whiter than on my 
previous visit, and snow patches still existed at a low elevation, 
as, for instance, along the line of the railway and even lower 
than the route to Bjérkliden by the side of the trask. 
Colias werdandi was not fully out, but made up in freshness 
