Abstract

Session of Tuesday, August 3

The meeting was called to order by Dr. Edward O. Ulrich, the President of the Society, at 2 o’clock, in Bacon Hall, room 206, University of California. Doctor Ulrich then requested Prof. J. C. Merriam, Vice-President, to take the chair. Professor Merriam, after welcoming the visiting paleontologists, pointed out the value of a discussion of correlation problems involving the areas both east and west of the Cordilleras and on both sides of the Pacific Ocean. The subject of the meeting, “General consideration of Paleontologic criteria used in determining time relations,’’ was then declared in order and the following papers were presented:

CRITERIA OF CORRELATION FROM THE POINT OF VIEW OF THE INVERTEBRATE PALEONTOLOGIST

BY EDWARD O. ULRICH

PROBLEM OF CORRELATION BY USE OF VERTEBRATES

BY WILLIAM D. MATTHEW

CORRELATION AND CHRONOLOGY ON THE BASIS OF PALEOGRAPHY

BY CHARLES SCHUCHERT

On account of the absence of . . .

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