CRUSTACEA OF NORTSUMBEftLAND AND DURHAM 



situation by the side of the stream which runs into Seaton 

 Sluice, Northumberland. Under stones on the sea banks at 

 Fulwell and Ryhope (G. S. B.) N.D. 



Trichoniscus pvgm.^us G. O. Sars. 



1898. Trichoniscus fyginccus, G. O. Sars, Crust. Norway, 

 vol. ii., Isopoda, p. 162, pi. Ixxii., fig. 2. 



1906. Trichoniscus fys^'uncus, Bagnall (R. S.), Ann. and 

 Mag. Nat. Hist., ser. 7, vol. xviii., p. 474. 



1907. Trichoniscus pygniaeus, Bagnall (R. S.), Ann. Soc. 

 Royale Zoologique et Malacologique de Belgique, xlii., 

 pp. 263-266. 



Gardens at Winlaton, where it is common ; Gibside, Ravens- 

 worth, Egglestone-in-Teesdale ; in flower-pots at South Hylton; 

 and in Northumberland in gardens, Leazes Park and Hancock 

 Museum grounds, Newcastle; Butcher Hill, near Matfen; 

 Wylam, and Alnwick. Mr. Bagnall, who gives all the fore- 

 going localities, adds " I have found it on several occasions 

 away from cultivated ground." N.D. 



Trichoniscus Stebbingi Patience. 



1907. Trichoniscus Stebbingi, Patience (A.), Journ. Linn. 

 Soc, Zool., vol. xxx., p. 42, pi. vii., figs. 1-7. 



1 90S. Trichoniscus Sicbbingi, Bagnall (R. S.), Ann. Soc. 



Royale Zoologique et Malacologique de Belgique, 



xliii., pp. 127-129. 



A single specimen in an orchid house belonging to Mr. 



Cookson at Wylam, and also a few examples in hothouses at 



Alnwick and Newcastle-upon-Tyne (Bagnall). N.D. 



Trichoniscus intermedius n. sp. (provisional), Bagnall. 



" Two examples taken amongst herbage on Butcher Hill 

 Farm, near Matfen, in September, 1906, but unfortunately so 

 mutilated about the abdomen as to defy description. The 

 locality is seven or more miles over a hilly road from the 

 nearest station, and I have not been able to search for further 

 examples. The telson is identical with that of pusiilus, to 

 which species it bears the strongest resemblance ; but the 



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