286 
Falconer: New and Rare Yorkshire Spiders. 
Previous to their discrimination by Dr. Jackson 
(‘ Trans. Nat. Hist. Soc. Northumberland, Durham 
and Newcastle-upon-Tyne,’ New Series, Vol. III., pt. 
2, pp. 9-14), two species were in England confounded 
under the name FE. triguttata Fabr. So far, only 
E. sturmu Hahn. has been observed in the North 
of England. 
Evo cambridgw Kulcz. 
Three females, cliffs West of Marske, August Igr1o. 
Separated from British examples of E. thoracica 
Wid., by Kulczynski (‘Fragmenta Arachnologica 
EX) Jan 201, pp./61-2,, Plate Bs figs? 79, Sx, 82) 
this species has now been recognised in Dorset, New 
Forest, Cheshire, Yorkshire and Cumberland. 
Pisaura mirabilis Clerck. 
One female with egg sac near Keighley,. Mr. Rosse 
Butterfield, June 1910, received ior examination 
January 1911. Up to the time of writing, July, 
the only Yorkshire example, though the spider is 
usually a plentiful one, with a wide distribution 
at home and abroad. Yorkshire, however, is not 
the only place in which it has a similar curiously 
restricted range. 
_Pirata latitans Bl. 
A few adults of both sexes in a damp spot on Skipwith 
Common, June 3rd, W.P.W., and W.F. Exactly 
a week later, Mr. Stainforth, Hull, collected a few 
females at Kelleythorpe, near Great Driffield. It 
is on record for many parts of England, and has 
recently been discovered in one locality in Ireland. 
I].—RARE IN YORKSHIRE. 
Dictyna latens Fabr. 
Several examples of both sexes on furze bushes by the 
mere, Skipwith Common, W.P.W., W.F., New to 
the East Riding. 
Theridion pictum Hahn. 
Immature examples, Riccall Common, and many 
adults of both sexes, with last-named, Skipwith 
Common, W.P.W., W.F. Two females on record 
for West Riding. 
Theridion bimaculatum Linn. 
Immature female, Selby ; one male, several females, 
Riccall Common ; few females, Skipwith Common ; 
W.P.W., W.F. New to East Riding. On record 
also for West Riding, near Leeds. 
Naturalist, 
