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 A HISTORY OF SUFFOLK ARACHNIDA spiders, Harvestmen, False Scorpions, and Mites. No specialist, so far as I am aware, has ever worked at the Arachnids in Suffolk. Many years ago, while entomologizing in the neighbourhood of Lowestoft and of Bury St. Edmunds, I observed numbers of the commoner species of Araneidea, but at that time — 1849-50 — I had not seriously begun to pay special attention to this group, and unfortunately have no records of the species met with. Both the districts referred to were evidently such as would abundantly repay careful working. The following list has been drawn up almost entirely from various collections of spiders sent to me for identification between 1 90 1 and 1904 by Mr. Claude Morley of Monk Soham, Suffolk, and collected by him during his entomological researches in difiFerent parts of the county. The list con- tains one fiundred species of Araneidea (True Spiders), seven species of Phalangidea (Harvestmen),, three species of Chernetidea (False Scorpions), and two of Acaridea (Mites). This is but a. meagre representation of the British spiders (whose numbers as at present recorded amount to about 550 species). Among those now recorded for Suffolk some few are local and rare, and one {Tmeticus commodus) appeared to me to be undescribed at the time I received it ; but the greater number are among the species more commonly and generally distributed. Seven of the Phalangidea are repre- sented out of twenty-four recorded British species, and only three of the twenty or so recorded British Chernetidea (False Scorpions) ; while of the Acaridea (Mites) only two can be named. For further information upon the systematic arrangement, nomenclature, synonyms, and other details of the species in the subjoined list, I may refer to the following English publications : — A History of the Spiders of Great Britain and Ireland, by John Blackwall (Ray Soc. 1 86 1 -4) ; Spiders of Dorset, with an Appendix containing short descriptions of those British species not yet found in Dorset, by the Rev. O. Pickard-Cambridge, M.A. (Dorset Nat. Hist, and Antiq. Field Club, 1879- 81) ; papers on 'Spiders and other British Arachnids,' by the Rev. O. Pickard-Cambridge, M.A.,&c. (being papers supplementary to 'Spiders of Dorset ' [supra citj], Proc. of the Dorset Nat. Hist, and Antiq. Field Club, 1882-1908) ; List of British and Irish Spiders, by the Rev. O. Pickard-Cam- bridge, M.A., F.R.S., &c., &c., pp. 1—84, and other papers therein quoted ; (Sime & Co., Dorches- ter, Dorset, 1900); 'Monograph on the British Species of Phalangidea or Harvestmen,' by the Rev. O. Pickard-Cambridge, M.A., F.R.S., C.M.Z.S., &c. [Proc. of the Dorset Nat. Hist, and Antiq, Field Club, xi, 1890) ; 'Monograph on the British Species of Phalangidea or Harvestmen,' by R. H. Meade, F.R.C.S. {Ann. and Mag. of Nat. Hist. June 1855) ; 'Monograph on the British Species of Chernetidea or False Scorpions,' by the Rev. O. Pickard-Cambridge, M.A., F.R.S.,, C.M.Z.i., kc. {Proc. of the Dorset Nat. Hist, and Antiq. Field Club, xiii, 1892); 'The Genus Tapinocyba,' by A. Randell Jackson, M.B., M.Sc. {Trans, of the Nat. Hist. Soc. of Nor thumb. Dur. and Newcastle-upon-Tyne (new ser.), i, pt. 2, pi. vii, viii, 1905) ; The Spiders of Tynedale, by A. Randell Jackson, M.B., M.Sc, loc. cit. i, pt. 3, 1906 ; 'A Contribution to the Spider Fauna of the County of Glamorgan,' by A. Randell Jackson, M.B., M.Sc. {Cardiff Nat. Soc. Trans, vol. xxxix, 1907); 'On some rare Arachnids captured during 1906,' by A. Randell Jackson, M.B., M.Sc. {Proc. of the Chester Soc. of Nat. Sc. Lit. and Art, pt. 6, no. I, pi. I, May 1907) ; 'The British Spiders of the Genus Lycosa,' by Frank P. Smith {Journ. of the Quekett Micros. Club, April 1907, pi. 1-4). ARANEIDEA {True Spiders) DYSDERIDAE DRASSIDAE {continued^ Segestria, Latreille. Clubiona, Latreille. Segej/ria senoculata, Linnaeus. Clubiona reclusa, Cambridge. Dysdera, Latreille. — holosericea, De Geer. Dysdera CambriJgii, Thorell. — bretipes, Blackwall. Harpactes, Templeton. Micaria, C. L. Koch. Harpactes Homberpi, Scopoli. Micaria pulicaria, Sundevall. ZoRA, C. L. Koch. x^T, . ^^,T^ . .^ Zorj maculata, Blackwall. DRASSIDAE Anyphaena, Sundevall. Drassus, Walckenaer. Anyphtena accentuata, Walcken,icr. Drassus lapidosus, Walckenaer. Includes Drassus Agroeca, Westring. cupreus, Blackwall, which appean to be cer- Agroeca brunnea, Blackwall. tainly a variety only of D. lapidosus. Prosthesima, L. Koch. DICTYNIDAE Prosthesima Peliverii, Scopoli. Dictyna, Sundevall. — Latreillii, C. L. Koch. Dictyna uncinala, Westring. 150