The sublethal effects of a detergent on the reproduction, development, and settlement in the polychaetous annelid Capitella capitata G. BellanD. J. ReishJ. P. Foret OriginalPaper Pages: 183 - 188
Untersuchungen über den einfluß von ölverschmutzungen auf meeresalgen. I. Die wirkung von rohölfilmen auf den CO2-gaswechsel außerhalb des wassers W. Schramm OriginalPaper Pages: 189 - 198
Ecological energetics of the sea-weed zone in a marine bay on the Atlantic coast of Canada. II. Productivity of the seaweeds K. H. Mann OriginalPaper Pages: 199 - 209
Some effects of food density on the growth and behaviour of plaice larvae T. Wyatt OriginalPaper Pages: 210 - 216
A whole-animal bioassay for the determination of the food attractants of the lobster Homarus gammarus A. M. MackieR. G. J. Shelton OriginalPaper Pages: 217 - 221
Studies on sharks. I. Reproduction in the female sumitsuki shark Carcharhinus dussumieri K. TeshimaK. Mizue OriginalPaper Pages: 222 - 231
Procedures adopted for the laboratory cultivation of Trichodesmium erythraeum V. D. Ramamurthy OriginalPaper Pages: 232 - 234
Notes on the ecology of Astropecten aranciacus H. BurlaV. FerlinG. Ribi OriginalPaper Pages: 235 - 241
Density-gradient centrifugation as an aid to sorting planktonic organisms. I. Gradient materials R. A. BowenJ. M. St. OngeC. A. Price OriginalPaper Pages: 242 - 247
Influence of environmental parameters on intraspecific variation in Fucus vesiculosus A. J. JordanR. L. Vadas OriginalPaper Pages: 248 - 252
Symbiosis in sacoglossan opisthobranchs: photosynthetic products of animal-chloroplast associations R. W. GreeneL. Muscatine OriginalPaper Pages: 253 - 259
Cytology of an unusual case of hermaphroditic gonads in the tropical sea urchin Tripneustes gratila from Eilat (Red Sea) J. KidronL. FishelsonB. Moav OriginalPaper Pages: 260 - 263
The mouthparts of the members of the Jaera albifrons group of species (Crustacea: Isopoda) M. B. Jones OriginalPaper Pages: 264 - 270
Aglauropsis kawari (Limnomedusae: Olindiasidae), a new species from the South Atlantic Ocean G. S. MoreiraC. Yamashita OriginalPaper Pages: 271 - 274