126 Proceedings of the Royal Physical Society. — 
The palpal organs and tibia of the male easily separate the species from 
its near congeners C. grisea L. K. and C. veclusa Camb. The females are more 
difficult. Professor Kulezynski has kindly sent me both sexes from Hungary, 
and so there is no doubt of the identity of my Scottish examples. I have 
figured here the epigyne of the female as I see it, but I must admit it is very 
different from the figure in Aranew Hungarie, although Scottish and Hun- 
garian examples agree quite well in that respect. Continental writers claim 
that the female of this species possesses a long, dorsal, lanceolate mark in the 
middle line of the abdomen, which reaches the spinners, and which is absent 
in the allied species. This is certainly well marked in the Hungarian 
examples, but is not nearly so distinct in the Scottish specimens. In 
examining a fairly long series of British females of C. grisea L. Koch, a 
similar marking was found in several examples. The colour of the abdomen 
of the Scottish C. swbsultans is rather warmer, inclining more to reddish- 
brown, than in C. grisea; but, in the absence of the male, I should certainly 
hesitate to record C. subswltans in a new country. Fortunately in this case 
a male was found. 
A male and two females of C. subswltans Thor. were found on the bark 
of pines in the Black Wood of Rannoch when looking for Zilla Stramit. 
Probably if carefully worked for the species would be found more abundantly. 
Erigone tirolensis L. Koch. 
[Plate III. Figs. 12, 13 and 14.] 
Erigone tirolensis L. Koch., Beitr. z. Kennt, Arach. Tirols, ii. 
Chyz. and Kulez., Aran. Hungarie, ii., p. 90, Tab. iii, 
fig. 37 a, b, ¢. 
Kulez., Erig, Europese addend. ad descriptiones, figs. 10, 
26, 40, 52. 
de Lessert, Catalogue des Invertébrés de la Suisse, f. 3; 
Araignées, pp. 202, 203, 
” ” ” 
This species has occurred in Tyrol, Siberia, Tatra, and in Switzerland at 
2700 metres. 
The male measures 2:2 mm. in total length, and closely resembles in 
facies many other species of the genus. The structure of its palpi, however, 
will separate it from those, and quite easily from all those known at present 
to inhabit Britain. The females are difficult, as are all those of the genus 
Erigone, but the epigyne is more characteristic than are those of most of the 
species, and I think this sex should be recognised when found. Both sexes 
were found, on June 15th, on Ben Nevis at about 3500-3700 feet. The species 
occurred under small stones in places which were damped by little streams 
