[ 113 ] XV. A Catalogue of Spiders either not previously recorded or little known as indigenous to Great Britain, with Remarks on their Habits and Economy. By John Blackwall, Esq., F.L.S., ^c. Read AprU 5th, and April 19th, 1842. At ITH a few exceptions, of sufficient importance to warrant their introduc-tion, the spiders comprised in the following catalogue have never before been recognised as British species. In addition to any interest which may be de-rived from this circumstance, numerous facts have been supplied relative to their structure, instincts, economy, and haunts, with occasional remarks upon their nomenclature and systematic arrangement. The kind assistance received from the cooperation of friends in collecting materials for this paper, I have endeavoured to acknowledge in an appropriate manner as suitable occasions presented, themselves ; but as the information communicated in it has resulted, for the most part, from my own researches, I must be considered responsible for its accuracy. Should the observations recorded in these pages contribute in any degree to facilitate the acquisition of that desideratum in the zoology of Great Britain, a comprehensive history of our native spiders adapted to the present state of arachnological science, the principal purpose which they were intended to sub-serve will be accomplished. Class Abachnida. Order Araneidea. Tribe Octonoculina. Family Drassid.j:. Genus Drassus, fValck. 1. Drassus sericeus. Drassus sericeus. Walck. Hist. Nat. des Insect, Apt., t. i. p. 619. Koch, Die VOL. XIX. Q
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