Thorell.] 490 [April 21, 



region. If glacial wear has done the most of this there would be no 

 reason for surprise at the planing down of the original mountain 

 ridges. 



Notice of some Spiders from Labrador. By T. Thorell. 



The subject of the following lines is a small collection of spiders, 

 captured in Labrador in the summer of 1864 by Dr. A. S. Packard, Jr., 

 and kindly placed by him in my hands for determination and de- 

 scription. The species contained in this collection are but few, 

 about fifteen ; and owing to many of the specimens not being fully 

 developed or not being in a sufficiently good state of preservation, 

 they could not all be with certainty identified. The number of spe- 

 cies here named is only ten ; but they are of no small interest, as 

 nothing appears hitherto to be known of the spider-fauna of Labra- 

 dor. Of these ten species two belong to the genus Epeira, one to 

 Tetragnatha, one to Linyphia, one to Clubiona, one to Gnaphosa and 

 four to Lycosa. Among the specimens which could not be with cer- 

 tainty determined, are one Erigone, one Thanatus (closely allied to, 

 if not identical with Th. arcticus Thor. from Greenland), and one 

 Trochosa. Two of the Labrador species, Epeira patagiata (Clerck) 

 and Tetragnatha extensa (Linn.), are also found in Europe; one, 

 Lycosa groznlandica Thor., is common in southern and western 

 Greenland. The species in question are as follows : — 



1. Epeira patagiata (Clerck). 



Araneus patagiatus Clerck, Sv. Spindl., p. 38, Pt. 1, Tab. 10. 

 (1757.) 



Epeira patagiata C. Koch, Die Arachn., XI, p. 115, Tab. ccclvi, 

 fig. 916-919. (1845.) 



Epeira patagiata Thor., Remarks on Synonomy, p. 16. (1871.) 



A female specimen belonging to the " forma principalis " of this 

 species was captured by Dr. Packard at Strawberry Harbor, July 

 28th. A fine variety of d" ad., with two large, transverse, oval, yel- 

 lowish-white spots on the anterior part of the back of the abdomen 

 was found in Square Island, July 2d. 1 



2. Epeira Packardii n. cephalothorace fusco, albo-piloso, 

 pedibus testaceo-fuscis, nigricanti-annulatis, femoribus apice tantum 



i Of the closely allied E. sdopetaria (Clerck), I have seen an example from New- 

 foundland. 



