1878.] Zoology. 393 
NOTICE OF THE SPIDERS OF THE “ PoLarts” EXxPEDITION.—The 
spiders collected by Dr. Bessels during the Arctic Expedition of 
the “ Polaris,” are, as might have been expected, very few in num- 
ber, only four species (in eight examples) having been brought 
home. Of these four species two belong to the genus Erigone, 
one to Lycosa, and one to Trochosa; only one, a small Erigone, 
appears to be new to science, the other Ærigone, as also the Lycosa 
belong to species that seem to be rather widely spread in the 
Arctic regions. The Trochosa must for the present be left unde- 
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1. Erigone pschychrophila Thor. 
Syn. 1872. Erigone psychrophila Thor., om Arachnider fran 
1Om nagra Arachnider frân Grönland, in Ofvers. af Vet.-Akad. Förhandl., XXIX 
(1872). 
2 Die zweite deutsche Nordpolarfahrt in den Yahren 1869 und 1870, etc., II Band, 
Wissenschaftliche Ergebnisse, I Abtheil, p. 400-403. 
$On some new and little known spiders from the Arctic Regions, in Ann. and 
Mag. of Nat. Hist. 4 Ser., XX (1877). 
* Thanatus formicinus ? Cambr. and TA. arcticus Thor. are probably the same 
cies. 
5These nineteen species are: Eperra diademata (Clerck), Tetragnatha Græn- 
landica Thor., Linyphia turbatrix Cambr., Erigone psychrophila Thor., 2: whym- 
pert Cambr. or., Æ. frigida id., E. vagi: 
E. modesta id., Steatoda bipunctata (Linn.), Dictyna hamifera Thor., 
Cambr., Thanatus arcticus Thor., Lycosa Graniandica id., L. glacialis id., Z. agui- 
onaris L. Koch, Trochosa insignita Thor., and Æpiblemum scenicum (Clerck). 
these species Zpeira diademata, Steatoda bipunctata and Epiblemum os 
ken i rici Ar. rufipes L 
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