A HISTORY OF NORFOLK 142. Erigone promiscua (O. P.-Cambridge). Ormesby (H. W. F.). 143. Gongylidium rufipei (Linn.). Norwich (F. P. S.). Known also as Neriene munda, Blackwall, and Neriene rufipei. 144. Tmeticm graminicolii (Sundevall). Norwich (F. P. S.). 145. Gonatium ruhens (Blackwall). Norwich (F. P. S.) ; Watton and Cromer (H. W. F.). 146. Gonatium isahellinum (C. L. Koch). Norwich (F. P. S.). Known also as Neriene rubella, Blackwall. 147. Neriene cornuta, Blackwall. (O. P.-C.) ; Ormesby (H. W. F.). 148. Hypomma hituherculatum (Wider). (O. P.-C.) ; Norv/ich (F. P. S). ; Ormesby (H. W. F.) ; (J. Edwards). 149. Trachygnatha dentata (Wider). Norwich (F. P. S.) ; (J. Edwards). 150. (Edothorax gibbosus (Blackwall). (O. P.-C). 15 !■ (Edothorax tuberosus (Blackwall). (O. P.-C). 152. Stylothorax apicatus (Blackwall). West Runton and Scratby (H. W. F.). 153. Kulczymkiellum fuscum (Blackwall). Ormesby Broad (H. W. F.) ; Norwich (F. P. S.). 154. Entelecara trifrom (O. P.-Cambridge). Merton (Lord Walsingham). 155. Arrecerus obtusus (Blackwall). (O. P.-C). 156. Arrecerui acuminatus (Blackwall). (James Edwards). 157. Savignia frontata {Ji?id£.vi3). (James Edwards). 158. Fiderius anticus (Wider). (James Edwards). I 59. Cornicularia unicornis (O. P.-Cambridge). Ormesby Broad (H. W. F.) ; Norwich (F. P. S.). 160. Walckenaeria cristata, Blackwall. (James Edwards). 161. Troxochrus scabriculus (Westring). Norwich (F. P. S.). Known also as IValckenaera scabricula and W. agger is, Blackwall. 162. Hilaira uncata (O. P.-Cambridge). Norwich (F. P. S.). Known also as Neriene uncata. 163. Maso sundevalli (Westring). West Runton (H. W. F.). MIMETIDiE Spiders of this family are similar in general respects to the Theridiida, having eight eyes and three tarsal claws. The species of Ero construct a small brown pear-shaped or cylindrical egg-cocoon suspended on a fine silken stalk. The legs are very spinose. 164. Ero Jurcata {yWltr^. (O. P.-C.) ; Watton, West Runton ; Ormesby Broad (H. W. F.). THERIDIIDiE The members of this family have eight eyes, situated in very much the same f)Osition as those of the Argyopida, but the mandibles are usually weak, the maxillae are inclined over the labium, and the posterior legs have a comb of stiff curved spines beneath the tarsi. The web consists of a tangle of crossing lines, and the spider often constructs a tent-like retreat wherein the egg-sac is hung up. Tarsal claws three. The legs are devoid of spines. 165. Theridion tepidariorum, C. L. Koch. (O. P.-C.) ; Norwich (F. P. S.). One of the commonest spiders in our hot- houses, and often venturing to endeavour to acclimatize itself out of doors in the gardens. 166. Theridion sisyphium (Clerck). (O. P.-C.) ; Watton, West Runton and Ormesby (H. W. F.) ; Norwich (F. P. S.). 167. Theridion pictum, Hahn. (O. P.-C.) ; Norwich (F. P. S.) ; Ormesby Broad (H. W. F.). 168. Theridion varians, Hahn. Watton, West Runton, Ormesby Broad (H. W. F.) ; Norwich (F. P. S.). 169. Theridion denticulatum, Walckenaer. Norwich (F. P. S.). ; Ormesby Broad, West Runton (H. W. F.). 180