NOTES ON ORDOVICIAN CORRELATION CHARTS OF THE USSR PART OF THE EAST-EUROPEAN PLATFORM; pp. 46–49

ORDOVICIAN PALAEOGEOGRAPHY OF THE WESTERN BALTIC SHIELD; pp. 50–54

USE OF GRAPHIC CORRELATION FOR ASSESSING EVENT-STRATIGRAPHIC SIGNIFICANCE AND trans-ATLANTIC RELATIONSHIPS OF ORDOVICIAN K-BENTONITES; pp. 55–59

CAMBRIAN-LOWER ORDOVICIAN BOUNDARY BEDS IN NORTHERN POLAND; pp. 60–62

ON THE CORRELATION OF THE TREMADOCIAN AND ARENIGIAN BOUNDARY BEDS IN THE EAST BALTIC; pp. 63–67

LOWER ORDOVICIAN (ONTIKAN) CONODONT BIOSTRATIGRAPHY IN SCANDINAVIA; pp. 68–72

GEOLOGIC SETTING OF THE LOWER HOVIN GROUP (ARENIG/LLANVIRN), HØLNDA AREA, SØR TRØNDELAG, NORWAY; pp. 73–76

DISCONTINUITY SURFACES OF POSSIBLE MICROKARST ORIGIN IN THE VIIVIKONNA FORMATION (KUKRUSE STAGE, MIDDLE ORDOVICIAN) OF ESTONIA; pp. 77–82

SOME SPECIFIC FEATURES OF THE LATE ORDOVICIAN EVOLUTION IN THE BALTIC BASIN; pp. 83–87

THE TAUČIONYS FORMATION (HOLORHYNCHUS BEDS) IN THE ILJINSKOJE BORING (PSKOV DISTRICT); pp. 88–93