1. Equational density of clones of polynomial functions

   • N. Newrly

   OriginalPaper Pages: 274 - 293

2. Independence algebras

   • V. Gould

   OriginalPaper Pages: 294 - 318

3. Locally Boolean spectra

   • D. J. Vaggione

   OriginalPaper Pages: 319 - 354

4. The maximal ring of quotientf-ring

   • J. Martinez

   OriginalPaper Pages: 355 - 369

5. Log-linear varieties of semigroups

   • S. Crvenković
   • N. Ruškuc

   OriginalPaper Pages: 370 - 374

6. On some Menger algebras of multiplace transformations of ordered sets

   • V. S. Trokhimenko

   OriginalPaper Pages: 375 - 386

7. Skew Boolean algebras and discriminator varieties

   • R. J. Bignall
   • J. E. Leech

   OriginalPaper Pages: 387 - 398

8. Decision problems for distributive lattice-ordered semigroups

   • A. Urquhart

   OriginalPaper Pages: 399 - 418

9. Uniqueness of the group operation on the lattice of order-automorphisms of the real line

   • M. R. Darnel
   • M. Giraudet
   • S. H. McCleary

   OriginalPaper Pages: 419 - 427

10. Near unanimity: an obstacle to general duality theory

    • B. A. Davey
    • L. Heindorf
    • R. McKenzie

    OriginalPaper Pages: 428 - 439