1. Some physiological aspects of the autecology of the suspension-feeding protozoanTetrahymena pyriformis

   • Steven T. Swift
   • Irene Y. Najita
   • A. G. Fredrickson

   OriginalPaper Pages: 201 - 215

2. Experimental and modeling studies of a four-trophic level predator-prey system

   • James M. Graham
   • Raymond P. Canale

   OriginalPaper Pages: 217 - 232

3. Predacity by nematophagous fungi and its relation to the attraction of nematodes

   • Hans -Börje Jansson

   OriginalPaper Pages: 233 - 240

4. Accumulation and fate of tri-n-butyltin cation in estuarine bacteria

   • W. R. Blair
   • G. J. Olson
   • W. P. Iverson

   OriginalPaper Pages: 241 - 251

5. Soil microbial counts in relation to site characteristics at a subantarctic Island

   • V. R. Smith
   • M. G. Steyn

   OriginalPaper Pages: 253 - 266

6. Mixed continuous culture experiments with an antibiotic-producing streptomycete andEscherichia coli

   • K. A. Rasool
   • J. W. T. Wimpenny

   OriginalPaper Pages: 267 - 277

7. Book reviews

   • Moshe Shilo

   BookReview Pages: 279 - 280

8. Book reviews

   • M. Levandowsky
   • R. Atlas

   BookReview Pages: 281 - 283