1. An effect of closure on the structure of principal components

   • Felix Chayes
   • Jürgen Trochimczyk

   OriginalPaper Pages: 323 - 333

2. Data manipulation in cluster analysis and the concept of zero presence

   • M. G. Michie

   OriginalPaper Pages: 335 - 345

3. Discriminant analysis of a Cretaceous foraminifer using shrunken estimators

   • Norm A. Campbell
   • Richard A. Reyment

   OriginalPaper Pages: 347 - 359

4. No-association of proportions

   • J. N. Darroch
   • D. Ratcliff

   OriginalPaper Pages: 361 - 368

5. A fast method for the solution of a system of simultaneous linear equations—A method adapted to a particular problem

   • Michael W. D. Davis
   • Michel David
   • Jean-Marc Belisle

   OriginalPaper Pages: 369 - 374

6. Note on the distribution of “random” tors on a line

   • W. E. Bardsley

   Short Notes Pages: 375 - 378

7. The use of factor analysis in geology

   • J. T. Temple

   Short Notes Pages: 379 - 387

8. Review

   • Frits Agterberg

   ReviewPaper Pages: 389 - 390

9. Association Announcements

   • E. H. Timothy Whitten

   Announcement Pages: 391 - 392