Genetic variability in Littorina saxatilis from different habitats on an island in Galway Bay I. F. WilsonE. M. Gosling OriginalPaper Pages: 1 - 10
Electrophoretic heterogeneity within and between flat periwinkles (Mollusca: Gastropoda) along an intertidal transect at Ria Ferrol, northwest Spain C. OlabarriaJ.-M. TimmermansT. Backeljau OriginalPaper Pages: 11 - 19
A preliminary study on genetic differentiation in Littorina saxatilis from Galway Bay, Ireland: Littorina tenebrosa Montagu – a valid species or ecotype? E. M. GoslingI. F. WilsonJ. Andrews OriginalPaper Pages: 21 - 25
Lack of significant esterase and myoglobin differentiation in the periwinkle, Littorina striata (Gastropoda, Prosobranchia) H. De WolfT. BackeljauR. Verhagen OriginalPaper Pages: 27 - 32
A comparison of different protocols for RAPD analysis of Littorina N. MikhailovaK. Johannesson OriginalPaper Pages: 33 - 42
Radular myoglobin and protein variation within and among some littorinid species (Mollusca: Gastropoda) R. MedeirosL. SerpaT. Backeljau OriginalPaper Pages: 43 - 51
Allozyme variation and behavioural dimorphism among populations of Littorina brevicula (Philippi) from Japan N. I. ZaslavskayaY. Takada OriginalPaper Pages: 53 - 57
Sexual selection and assortative mating by size and their roles in the maintenance of a polymorphism in Swedish Littorina saxatilis populations J. ErlandssonE. Rolán-Alvarez OriginalPaper Pages: 59 - 69
Rough periwinkle polymorphism on the east coast of Yorkshire: comparison of RAPD-DNA data with morphotype C. S. WildingJ. GrahameP. J. Mill OriginalPaper Pages: 71 - 78
Assortative mating between two distinct micro-allopatric populations of Littorina saxatilis (Olivi) on the northeast coast of England S. L. Hull OriginalPaper Pages: 79 - 88
Natural selection on a vertical environmental gradient in Littorina saxatilis: analysis of fecundity R. CruzE. Rolán-AlvarezC. Garcia OriginalPaper Pages: 89 - 94
Effects of habitat on growth and shape of contrasting phenotypes of Bembicium vittatum Philippi in the Houtman Abrolhos Islands, Western Australia M. S. JohnsonR. Black OriginalPaper Pages: 95 - 103
Increasing precision in randomised field experiments: barnacle microtopography as a predictor of Littorina abundance E. G. BouldingF. M. Harper OriginalPaper Pages: 105 - 114
Temporal variation in parasite loading in relation to life history patterns of Littorina obtusata and L. fabalis Gray A. WilliamsT. J. Brailsford OriginalPaper Pages: 115 - 127
Gills and size in some small Littorina D. H. BlackJ. GrahameP. J. Mill OriginalPaper Pages: 129 - 132
A hot summer, cold winters, and the geographical limit of Trochocochlea lineat in Somerset J. H. Crothers OriginalPaper Pages: 133 - 141
Density and shell-size variation of Nodilittorina lineolata (Orbigny, 1840) in the intertidal region in southeastern Brazil C. A. De Magalhães OriginalPaper Pages: 143 - 148
Spawning periodicity of three species of Nodilittorina in Hong Kong Y. M. Mak OriginalPaper Pages: 149 - 160
What to do when there is nothing to do: the ecology of Jamaican intertidal Littorinidae (Gastropoda: Prosobranchia) in repose R. C. LangJ. C. BrittonT. Metz OriginalPaper Pages: 161 - 185
Seasonal variation in soluble uric acid concentration in Littorina saxatilis (Olivi) D. C. SmithT. P. Smith OriginalPaper Pages: 187 - 191
Intersex and Littorina littorea in Cork Harbour: results of a medium-term monitoring programme J. D. CaseyS. De GraveG. M. Burnell OriginalPaper Pages: 193 - 197
Imposex in Nucella lapillus and intersex in Littorina littorea: interspecific comparison of two TBT-induced effects and their geographical uniformity J. OehlmannB. BauerB. Markert OriginalPaper Pages: 199 - 213
Toxico-kinetic and -dynamic aspects of TBT-induced imposex in Hydrobia ulvae compared with intersex in Littorina littorea (Gastropoda, Prosobranchia) U. Schulte-OehlmannJ. OehlmannU.-S. Leffler OriginalPaper Pages: 215 - 225
Ultrastructure of prostate gland tissue in males and females with intersex phenomena of Littorina littorea L. G. SundermannB. BauerJ. Oehlmann OriginalPaper Pages: 227 - 233
A novel method to assess the cercariae emission intensity of littorinid populations A. J. KnowlesM. S. Davies OriginalPaper Pages: 237 - 239
Additional records of rough periwinkles in northwest Scotland D. C. Smith OriginalPaper Pages: 241 - 242
