ON NEW AND RARE BRITISH ARACHNIDS. 133 



Tiso cestivus, L. Koch, Dr. A. R. Jackson, Proc. 

 Roy. Phys. Soo., Edinburgh, Vol. XIX., No. 

 5. p. 127, pi. III. figs. 9, 10, 11. 



An adult example of each sex was found on Ben Nevis 

 by Dr. Jackson in July, 1913. This species, which is a 

 very distinct one, had not been before recorded in Great 

 Britain. The length of the male is 1-3 mm. 



Erigone longipalpis, Suud. 



Neriene longipalpis, Sund. Cambr., Spid. Dors., 

 p. 107, and Trans. Linn. Soc., XVIII., p. 447, pi. 

 XXXIV., No. 23 and 24. Also Proc. Dors. 

 Nat. Hist, and A. F. Club VI., p. 48, pi. B., 

 fig 4. 



Adult males and an adult female found at Arne were 

 sent to me by Dr Haines in June and September, 1913. 

 A local spider, but at times abundant in some coast 

 localities. 



Erigone arctica, White. 



Erigone arctica, White. Cambr. Proc. Dors. Nat. 

 Hist, and A. F. Club, Vol. XXII., p. 49,pl.B., 

 fig. 5. 



A local spider, but often abundant in some coast 

 localities. An adult of each sex was sent to me in 

 September, 1913, from Arne, by Dr. Haines. 



Erigone Tirolensis, L. Koch. 



Erigone Tirolensis, L. Koch, Beit. Z. Kennt. 



Arach. Tirols, ii. 



,, A. R. Jackson, Proc. Roy. 



Phys. Soc., Edinburgh, Vol. XIX. No. 5, p. 

 126, pi. III., figs. 12, 13, 14. 



Adults of both sexes were met with by Dr. Jackson in 

 July, 1913, on Ben Nevis, Scotland. The species had 

 not been previously recorded as British. The length of 

 the male is 2-2 mm. 



