IfiO Mr. A. Ramlcll Jackson 07i Spiders 



3. Tiiphochreslus spelsbergensis, Tlior. (i). 



Six adult males, five adult females, and a nnmliGr of 

 immatnre example'^. 



Klaas Billon, Prince Cliarles Foreland, Gips Valle}'. 

 Also from Siberia, New Siberian islands (9) ; probably 

 Greenland. 



4. J^i'ifjone psych ropliihi, Thor, fi). 



Two niab's only at Ebba Valley. 



Occurs also in Siberia and the Nevv Siiierian Islaiiils (9) 

 and Franz Joseph Land. 



5. Erigone arclica, White. 



Four males and two females at Klaas Billen, 



Several of the immature specimens probably belong to this 



species. 



Of a very wide range, including the British Isles, in many 



parts of which it is connnon. 



G. Erigone tirolensis, L. K. 



A female from Klaas Billen, and another from Liefde Bay. 



In the absence of the male the determination is not quite 

 certain ; but 1 feel pretty sure, and the male has already 

 occurred in Spitsbergen (7). 



E. tirolenais occurs on the Grainjiians and Ben Nevis at 

 high altitu<les (n) ' ^^^^ in Siberia and Nova Zembla (3), 

 Tyrol, Switzerland, and Tatra. 



7. Coryphceus liolmgrenii^ Tlior. (i). 



One adult male and seven adult females from Bear Island. 



This is certainly the C, men<ncv.<i, L. Koch (3), of British 

 authors, and almost certainly Lophomma nivicola, Strand (6). 



Siberia, Nova Zcnibla (3), the nortli-east coast of Si- 

 beria (S), the Scottish mountains at h"<i;h altitudes (n). 



Mr. Elton did not find this species at Spitsbergen. It was 

 the OMly one found at Bear Island. 



8. Micnria eltoiiii, sp. n. 



One adult male at Klaas Billen on August 9th, 1921. 

 This ajipears to be undescribed, and I have great pleasure 

 in giving it Mr. Eltou's name. 1 must, however, state that 



