1. The shape of pebbles

   • F. J. Bloore

   OriginalPaper Pages: 113 - 122

2. A method for testing the distinctness of clusters: A test of the disjunction of two clusters in Euclidean space as measured by their overlap

   • P. H. A. Sneath

   OriginalPaper Pages: 123 - 143

3. Design of geological data systems for developing nations

   • D. Gill
   • J. Beylin
   • E. Rosenthal

   OriginalPaper Pages: 145 - 157

4. Fourier analysis of the Catawba Mountain knolls, Roanoke county, Virginia

   • J. Thomas Hanley

   Short Note Pages: 159 - 163

5. Association announcements

   Announcement Pages: 165 - 189

6. Log transformations in geochemistry

   • A. T. Miesch
   • R. P. Chapman

   Letters to the Editor Pages: 191 - 198

7. Reviews

   • Malcolm W. Clark
   • T. A. Jones

   BookReview Pages: 199 - 201