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		19 Appendix 2. Draft First Circular for Riga Meeting in 1999 IGCP 406: Circum-Arctic Palaeozoic Vertebrates Meeting "Lower-Middle Palaeozoic Events Across the Circum-Arctic" Riga/Jurmala, Latvia, September-October, 1999 FIRST CIRCULAR Invitation All interested Palaeozoic workers are invited to attend the two-day 1999 annual meeting of the IGCP 406 project which will be held in conjunction with (immediately before or after) the 4th Baltic Stratigraphic Conference in Riga and/or Jurmala, Latvia. The 4th BSC is planned to be held on September 27-30, 1999. After the scientific sessions of BSC a two-day field trip (October 1-2) is proposed to the most exciting outcrops of Devonian rocks in Vidzeme (north-eastern Latvia). Conference topics Presentations to the IGCP 406 meeting are welcome on any topic related to the palaeontology, paleoecology, stratigraphy, palaeogeography, etc. of Ordovician through Devonian fossils, as well as their associated fauna and flora and related geological subjects. For this meeting, contributions on the theme "Geological and Biological Events Across the Circum-Arctic" in connection with palaegeography and stratigraphy are especially encouraged. Contributions on geochemistry are also welcome. We invite suggestions for topics of conference workshops. Abstracts Abstracts of conference papers should be submitted before March 30, 1999. The text (in English, no more than 2 pages, including illustrations and references) should be sent by e-mail as ASCII files or as plain text on a DOS-formatted diskette. If you use special or national letters, or you want to add illustrations, please send a hard copy separately. Estimated costs Registration fee: 10 LVL (Latvian lats; approximately 18 USD) The fee will be collected during the meeting at the registration desk. Accommodation: see the First Circular of the 4th BSC. The medium cost of meals in Riga is ca. 5-10 LVL/day. Limited financial support from IGCP is possible. If you are interested, please inform us as soon as you can. Excursion A two-day (October 1-2) excursion after the BSC conference to the most exciting outcrops of Devonian rocks in Vidzeme (north-eastern Latvia) is planned (see the First circular of the 4th BSC). Estimated cost: 40 LVL (early registration, before April 30, 1999) or 50 LVL (late registration, after April 30, 1999, if free places will be available). The cost of the trip is approximate; it will be given more exactly in the second circular. Deadlines Preliminary registration - December 1, 1998 Abstracts - March 30, 1999 Please let us know if you need an official invitation. Address Ervins Luksevics Latvian Museum of Natural History K.Barona 4 Riga LV-1050 LATVIA e-mail: ldm@com.latnet.lv fax: (371) 7220092