ON NEW AND RARE BRITISH ARACHNIDA. 47 



Bathyphantes setiger, F. 0. P. Cambr. 



An adult male and female of this very interesting form, 

 Penrith, Dr. A. R. Jackson. 



Tmetieus arcanus, Cambr. 



An adult male, W. Falconer, near Huddersfield. 



Tmetieus firmus, sp. n., PI. A, Figs. 13 A, 136, 130. 



Adults of both sexes of this species, which appears to be 

 new to science, were received from Dr. A. R. Jackson from 

 Hexham in January, 1 904. Adult females had already been 

 sent to me from near Huddersfield (July, 1903), by Mr. W. 

 Falconer. (A description will be found postea, p. 59.) 



Tmetieus rivalis, sp. n., PI, A, Figs. 14, 15, 16, 17, 18. 



Both sexes, adult, from Hexham (Dr. A. R. Jackson), and 

 females subsequently from W. Falconer, Hexham. A very 

 distinct species and apparently new to science. (Descrip- 

 tion postea, p. 6 1.) 



Tmetieus similis, Kulcz., PL A, Figs. 12, 13. 



An adult female, which seems identical with T. (Cen- 

 tromerus] similis, Kulcz., was found at Balmoral by the 

 late Col. A. F. Pickard. 



Tmetieus commodus, sp. n., PL A, Figs. 9, 10, u. 



An adult female, Suffolk (Claude Morley), 1904, apparently 

 a very distinct species and new to science. (See description 

 postea, p. 63.) 



Tmetieus reprobus, Cambr. 



An adult male, Kirkby, Lancashire, Rev. J. H. Bloom. 



Tmetieus Huthwaitii, Cambr. 



Adult females, Buxton, Derbyshire, Rev. R. J. Pickard- 

 Cambridge, May, 1904. 



