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L. kochiellus Strand, 1901. Sakhalin: near Okha. L. leprosus (Ohlert, 1867). Kamchatka: Petropavlovsk-Kamchatsky. L. luteipes (L. Koch, 1879). Kamchatka: Geizers Valley. L. mengei Kulczynski, 1887. Kamchatka: near Paratunka, Petropavlovsk-Kamchatsky, Milkovo, Geizers Valley. L. nebulosus (Sundevall, 1830). Sakhalin: near Novoalexandrovsk. L. nigriventris (L. Koch, 1879). Kamchatka: near Elizovo, Milkovo, Geizers Valley. L. sachalinensis Tanasevitch, 1987. Kunashir Island: Otradnoye. L. suffusus Strands, 1901. Sakhalin: near Okha. L. taczanowskii (O. Pickard-Cambridge, 1873). Sakhalin: near Okha. Collections from Kamchatka: leg. A. TANASEVITCH; from Sakhalin and Kunashir Island: leg. A. BASARUKIN, both in 1987. Acknowledgements I am deeply indebted to all the persons whose materials served the base of the present contribution: Dr. G. KURCHEVA (Moscow), Dr. E. MIKHALJOVA (Vladivostok), Dr. S. TOMS (Moscow), Mr. Yu. MARUSIK (Magadan), Mr. V. BAKUROV (Novosibirsk), Mr. A. BASARUKIN (Yuzhno-Sakhalinsk), Dr. D. SEMENOV (Moscow), and the late Dr. V. SOLDATOV. Besides, I wish to thank Dr. S. GOLOVATCH (Moscow) for checking the English of the final draft. REFERENCES CHAMBERLIN, R. et W. IVIE (1947): The spiders of Alaska. - Bull. Univ. Utah, 37 (10): 1-103. ESKOV, K. Yu. (1987): The spider genus Robertus O. Pickard-Cambridge in the USSR, with an analysis of its distribution (Arachnida: Araneae: Theridiidae). - Senckenbergiana biol.. 67 (4/6): 279-296 [for 19861. HACKMAN, W. (1954): The spiders of Newfoundland. - Acta zool. Fenn., 79: 1-99. MILLER, F. et O. ZITNANSKÁ (1976): Einige bemerkenswerte Spinnen aus der Slowakei. Biológia (Bratislava), 31(2): 81-88. TANASEVITCH, A. V. (1986): New and little-known species of Lepthyphantes MENGE 1866 from the Soviet Union (Arachnida: Araneae: Linyphiidae). - Senckenbergiana biol., 67_ (1/3): 137-172. TANASEVITCH, A. V. (1987): New species of Lepthyphantes MENGE, 1866 from the Soviet Far East, with notes on the Siberian fauna of this genus (Aranei, Linyphiidae). - Spixiana (in press). TANASEVITCH, A. V. et K. Yu. ESKOV (1987): [Spiders of the genus Lepthyphantes (Aranei, Linyphiidae) in the Siberian and Far-Eastern fauna}, - Zool. Zhurn., 66_(2): 185-197 Qn Russian^ . WUNDERLICH, J. (1985): Lepthyphantes pseudoarciger n. sp. und verwandte Arten der Lep thyphantes pallidus-Gruppe (Arachnida: Araneae: Linyphiidae). - Senckenbergiana biol., 66 (1/3): 115-118. Author's address: Andrei V. TANASEVITCH All-Union Institute on Nature Conservation and Reserves P.O. Vilar 113628 Moscow628 USSR
