PROCEEDINGS OF THE 
7 Ghester Society of Hutural Science, Literature, and Art. 
PART VI.—No. 1. MAY ist, 1907. 
A. RANDELL JACKSON, M.B., M.Sc., 
Rare Arachnids captured during 1906. 
DvuRING the past year I have been able to do little work 
amongst the British Arachnids. I have, however, paid a few 
_ visits to Delamere Forest, and secured a fair number of Spiders 
and Phalangids from that locality. Mr. WiniIaAmM FALCONER, 
of Huddersfield, spent a few days with me in June, and kindly 
_ joined his observations to mine. As a result, over two hundred 
_ species of Spiders, fifteen of Phalangids, and two Pseudoscorpions 
_ have been discovered in and around Chester. All this in one 
_ season, and with very little work. The district, therefore, isa very 
_ fich one; and I hope some day to record its Arachnids in full, 
_ Two Spiders taken by us were very remarkable. One, Hahnia 
pusilla (C. I, Koch), was captured, in the female sex, by 
_ Mr. FALconer on June 4th. This was the first British record. 
_ Subsequently, we each obtained specimens of both sexes. The 
_ other species was obtained by me, at Oakmere, on October 31st. 
_ It is certainly new to Britain, and is, I believe, an addition to 
science. I have called it Centromerus emptus. Besides the . 
_ Chester captures, several of my correspondents have sent me rare 
_ and interesting forms. The chief of these are Zeutana nobilis 
_ (Thor.), sent to me from Hastings by Mr. W. H. BENNETT, of 
_ that town; and Diplocephalus protuberans (Camb.), from Wfnlaton- 
_on-Tyne, by Mr. BAGNALL. The former of these Arachnids is the 
_ first adult captured at large in Britain. The latter is an addition 
_ to the British Fauna. Thus, I have four interesting Spiders to 
- figure, one of which I must also describe. In addition to these, 
Iam noting the capture of many interesting species, which have 
_ been obtained either locally or from my correspondents. The 
_ Rev. O. P. CamprincG#, F.R.S., the leading British authority on 
_ Arachnids, has seen most of my captures, and corroborated my 
_ identification of them. 
5 
OrDER I.—ARANEIDA. 
; _Oxyptila flexa(Camb.) Not rare amongst grass and herbage 
_ on banks near Chester. 
_ _ Philodromus predatus (Camb.) A single adult male from 
Delamere. The right to specific rank of this Spider is, to my 
mind, extremely doubtful, 
