1. Hypervarieties of a given type

   • Ewa Graczyńska
   • Dietmar Schweigert

   OriginalPaper Pages: 305 - 318

2. Algebras of diagonal relations

   • David Geiger

   OriginalPaper Pages: 319 - 332

3. On pseudovarieties, varieties of languages, filters of congruences, pseudoidentities and related topics

   • Jorge Almeida

   OriginalPaper Pages: 333 - 350

4. Finite free modular lattices FM(a+(Q+H))

   • Peter Luksch

   OriginalPaper Pages: 351 - 361

5. Tests for injectivity in finitely generated universal Horn classes

   • Michael H. Albert

   OriginalPaper Pages: 362 - 370

6. Polynomial automorphisms of lattices

   • Ervin Fried
   • Harry Lakser

   OriginalPaper Pages: 371 - 384

7. On a problem of B. Jónsson concerning subalgebras and endomorphisms

   • N. Sauer
   • M. G. Stone

   OriginalPaper Pages: 385 - 386

8. On normal and regular identities

   • Ewa Graczyńska

   OriginalPaper Pages: 387 - 397

9. Join epimorphisms which preserve certain lattice identities

   • Marcel Wild

   OriginalPaper Pages: 398 - 410

10. On sublattice lattice varieties

    • Dang X. Hong

    OriginalPaper Pages: 411 - 412

11. Finite congruence-distributive P.O. systems

    • G. Hansoul
    • L. Vrancken-Mawet

    OriginalPaper Pages: 413 - 425

12. Simultaneous representations in categories of algebras

    • M. Petrich
    • J. Sichler
    • V. TrnkovÁ

    OriginalPaper Pages: 426 - 453