1. The application of Herr's % MathType!MTEF!2!1!+-% feaafiart1ev1aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn% hiov2DGi1BTfMBaeXafv3ySLgzGmvETj2BSbqefm0B1jxALjhiov2D% aebbfv3ySLgzGueE0jxyaibaiGc9yrFr0xXdbba91rFfpec8Eeeu0x% Xdbba9frFj0-OqFfea0dXdd9vqaq-JfrVkFHe9pgea0dXdar-Jb9hs% 0dXdbPYxe9vr0-vr0-vqpWqaaeaabiGaciaacaqabeaadaqaaqGaaK% azaamabaqcaaUaaGinaOWaa0baaSqaaiabgkdaYaqaaiqaigdagaqh% aaaaaaa!40FF!\[4_2^{\underset{\raise0.3em\hbox{$\smash{\scriptscriptstyle-}$}}{1} } \] clearing technique to zoological tissues

   • Frederick W. Harrison
   • Michael Anderson

   OriginalPaper Pages: 177 - 180

2. On the nature and possible utility of epilithic detritus

   • P. Calow

   OriginalPaper Pages: 181 - 188

3. Experimental studies on the seasonal variation of the rotifer Keratella cochlearis (Gosse)

   • Kåre Lindström
   • Birger Pejler

   OriginalPaper Pages: 191 - 197

4. Effect of extreme salinity conditions on the survival of Mytilopsis sallei Recluz (Pelecypoda)

   • P. Ramachandra Raju
   • K. Mangapathi Rao
   • N. Kalyanasundaram

   OriginalPaper Pages: 199 - 206

5. Distribution of mercury, cadmium, lead and thallium in a eutrophic lake

   • B. J. Mathis
   • N. R. Kevern

   OriginalPaper Pages: 207 - 222

6. Carotenoids in fish IV. Salmonidae and Thymallidae from Polish waters

   • B. Czeczuga

   OriginalPaper Pages: 223 - 239

7. Marine Gammaridea (Crustacea: Amphipoda) from the Indian region; family — Ampeliscidae

   • P. Rabindranath

   OriginalPaper Pages: 241 - 262

8. Subgeneric differentiation within Eurycercus (Cladocera, Chydoridae) and a new species from Northern Sweden

   • David G. Frey

   OriginalPaper Pages: 263 - 300

9. A synoptic study of the limnology of Lake Thonotosassa, Florida

   • Bruce C. Cowell
   • Craig W. Dye
   • Robert C. Adams

   OriginalPaper Pages: 301 - 345

10. Libri novi

    BookReview Pages: 347 - 347