Harrison : Cleveland Spiders. 
^46 
Hilaira uncata Cb. — Turkey Nab, Eston and Great Ayton 
.Moors. Common. 
Hilaira excisa Cb. — Great Ayton, Eston, Westerdale Moors, 
Basedale, Turkey Nab. Both of these spiders have a Northern 
range, or rather one affected by Northern forms. 
Macrargus rafus Wid. — Eston, Farndale. Rather common. 
Macrargus warburtonii Cb. — 1 $ Saltburn. 
Macrargus scopiger Griibe. — Fairly plentiful everywhere. 
Centromerus expertus Cb. — Eston, Great Ayton Moor, 
Farndale. Common. 
Centromerus arcanus Cb. — Great Ayton and Easby Moors, 
Farndale. Abundant. The same remark applies to this as to 
O. minutissima ; it is certainly not less common here than in the 
west of the county. 
Microneta viaria Bl. — Eston. 
Microneta saxatilis Bl. — Turkey Nab, Farndale. 
Sintula cornigera Bl. — Farndale 2 First local record 
•of this rare spider. 
Rhabdoria diluta Cb. — Eston and Great Ayton Moors. Not 
uncommon. 
Maso sundevallii West. — Eston. 
Gongylidiellum vivum Cb.— Eston 1$. 
Tiso vagans Bl.- — Redcar. Not uncommon. 
Erigone atra var. lantosquensis Sim. — Greenhow Botton, 
Eston Moor. Not uncommon. 
Erigone arctica'v ar. maritima White. — Redcar. Abundant. 
I have now traced this spider right down the coast from Grange- 
town to Saltburn. 
Dicymbium nigrum Bl. — Bilsdale Head, Farndale, Green- 
how Botton, Turkey Nab, Redcar. 
Dicymbium tibiale Bl. — Eston, Farndale, Turkey Nab. 
Diplocephalus permixtus Cb.. — Farndale. Both sexes, but 
not common. 
Diplocephalus beckii Cb. — Great Ayton Moor, Eston, Farn- 
dale. Not uncommon. 
Savignia frontata Bl. — Eston and Great Ayton Moors. 
Common. 
Hypselistes jacksonii Cb. — Eston in the old locality. Very 
common and just becoming adult in October. This is so 
abundant in one restricted spot that I have to reject them as 
a sort of nuisance, somewhat like Robertas lividus, when in 
season. After October they thin out rapidly. 
I take this spider to be endemic to Britain and to be a break 
■of British origin from the Nearctic Hypselistes jlorens Cb. which 
occurs precisely in the same lot of rushes although I discovered 
it originally a mile away. 
Minyriolus pusillus Wid.- — Farndale, Westerdale, Turkey 
Nab, Bilsdale Head, Great Ayton Moor. Common. 
Naturalist, 
