and Systematic Arrangement of British Spiders. 19 



rock in woods at Oakland, in September 1835 ; they were all 

 males, and had the palpal organs completely developed. 



118. Linyphia pulchella. 



Linyphia pulchella, Blackw. Ann. and Mag. Nat. Hist. vol. xviii. 

 p. 301. 



An adult male of this Linyphia was discovered among grass in 

 a pasture at Oakland in September 1845. 



119. Linyphia furva. 



Linyphia furva, Blackw. Linn. Trans, vol. xviii. p. 663. 



In May 1838 both sexes of this spider were detected under 

 stones in a moist pasture at Oakland. 



120. Linyphia Claytonia. 



Linyphia Claytoniee, Blackw. Linn. Trans, vol. xviii. p. 664 ; Walck. 

 Hist. Nat. des Insect. Apt. t. iv. p. 499. 



I am indebted to Miss Ellen Clayton for the only specimens 

 of this species which I have seen ; they were two adult males, 

 captured near Garstang in Lancashire. 



121. Linyphia obscura. 



Linyphia obscura, Blackw. Linn. Trans, vol. xviii. p. 665 ; "Walck. 

 Hist. Nat. des Insect. Apt. t. iv. p. 499. 



Males of this spider, having the palpal organs fully developed, 

 were taken in June 1836 on rails at Oakland. 



122. Linyphia gracilis. 



Linyphia gracilis, Blackw. Linn. Trans, vol. xviii. p. 666 ; "Walck. 

 Hist. Nat. des Insect. Apt. t. iv. p. 499. 



Mature males of Linyphia gracilis were found on rails near 

 Crumpsall Hall in November 1836. 



Genus Nerie'xe, Blackw. 

 123. Neriene marginata. 



Neri'&ne marginata, Blackw. Lond. and Edinb. Phil. Mag. Third 

 Series, vol. iii. p. 188 ; Research. Zool. p. 363. pi. 3. fig. 6, 7. 



This species constructs snares, similar in design to those of 

 the Linyphia, among grass growing in and near woods in Lan- 

 cashire and Denbighshire. I have also inspected specimens 

 which were taken in Devonshire by Miss Ellen Clayton in 1845, 

 and others captured in Yorkshire by Mr. R. H. Meade in 1851. 

 The sexes arrive at maturity in autumn, and are sometimes abun- 

 dant in localities suited to their habits. If this spider be com- 



2* 



