| Issue 1 | _ | 
            
              | Front matter | _ | 
            
              | Table of Contents | _ | 
            
              | Article: La faune de l'habitat de Sézegnin (Genève - Suisse) : IVe au VIIIe siècle après J.-C. | 3 | 
            
              | Article: Répartition et dynamique annuelle de la macrofaune benthique en fonction de la profondeur dans le Léman (petit-lac) : résultats préliminaires | 23 | 
            
              | Article: La chaîne alpine des Ibérides (Espagne) : un exemple d'évolution sédimentaire et tectonique intraplaque | 37 | 
            
              | Article: Découverte de Triasina hantkeni Majzon (foraminifère) dans un faisceau calcaire à polypiers (Rhabdophyllia) de la formation rhético-hettangienne prépiémontaise (nappe de Rochebrune, SE de Briançon, Alpes occidentales) | 63 | 
            
              | Article: Le cas de «Glomospirella friedli-Angulodiscus? Gaschei» (= Aulotortus friedli, Aulotortinae, Involutinidae, Foraminifère, Trias) : analyse structurale et révision taxonomique | 71 | 
            
              | Front matter | 87 | 
            
              | Rubric: Assemblée générale annuelle : du 27 février 1985 | 89 | 
            
              | Obituary: Hugo Saini : juillet 1902 - janvier 1983 | 93 | 
            
              | Obituary: Francis de Quervain : 1902-1984 | 95 | 
            
              | Obituary: E. C. G. Stueckelberg de Breidenbach : 1905-1984 | 99 | 
            
              | Article: La vie et l'œuvre de Félix Bloch | 103 | 
            
              | Issue 2 | 109 | 
            
              | Article: Étude physico-chimique, bactériologique et biologique de l'Allondon genevoise | 109 | 
            
              | Article: Réflexions sur deux méthodes de traitement de la polyarthrite rhumatoïde séro-positive | 131 | 
            
              | Article: Failles et diaclases suivant quelques vallées transversales alpines (Suisse et France voisine) : essai d'interprétation morphotectonique | 143 | 
            
              | Article: Plancton du Léman (X) : année 1984 | 177 | 
            
              | Front matter | 201 | 
            
              | Article: Quelle mécanique quantique pour la résonance magnétique nucléaire ? | 203 | 
            
              | Article: Hydrocarbures polycycliques aromatiques dans les sédiments du lac Léman | 215 | 
            
              | Article: Raoul Pictet : véritable auteur de la liquéfaction de l'oxygène | 225 | 
            
              | Issue 3 | 237 | 
            
              | Front matter | 237 | 
            
              | Table of Contents | 239 | 
            
              | Article: Remarks made by Mr. Alec Trembley at dedication of plaque | 241 | 
            
              | Article: Introduction | 243 | 
            
              | Obituary: In memoriam : Dr. John R. Baker, F.R.S. | 249 | 
            
              | Rubric: Part I : Abraham Trembley and his polyps | 251 | 
            
              | Article: Abraham Trembley : influences on his life, and his contributions to biology | 253 | 
            
              | Article: The mémoires of Abraham Trembley. I. The mémoires in their genre | 263 | 
            
              | Article: The mémoires of Abraham Trembley. II. The mémoires as a research monograph | 277 | 
            
              | Article: The mémoires of Abraham Trembley. III. His discoveries on hydra and his approaches to biology | 293 | 
            
              | Article: The rhetoric of proof and persuasion utilized by Abraham Trembley | 305 | 
            
              | Article: Trembley's experiment of turning the polyp inside out and the influence of dutch science | 321 | 
            
              | Article: Abraham Trembley's influence on the development of the aquatic microscope | 335 | 
            
              | Rubric: Part II : some new perspectives on Trembley's polyps | 345 | 
            
              | Article: Old and new perspectives on the behavior of hydra | 347 | 
            
              | Article: Does a hydra have a mouth (when it is closed)? | 359 | 
            
              | Article: The use of hydra for studies of cellular ultrastructure and cell junctions | 371 | 
            
              | Article: Origin and evolution of symbiosis in green hydra | 385 | 
            
              | Article: The morphodynamics and actions of stenotele nematocysts in hydra | 401 | 
            
              | Article: Another model of cell polarity : the outgrowing fungal spore | 419 | 
            
              | Rubric: Part III : some new directions in research on hydra | 427 | 
            
              | Article: Monoclonal antibodies : a new approach to the study of hydra development | 429 | 
            
              | Article: The mitochondrial DNA of Hydra attenuata and Hydra littoralis consists of two linear molecules | 439 | 
            
              | Article: The use of mutants and chimeras to explore the gradients underlying pattern formation in hydra | 447 | 
            
              | Article: The head activator, a neuropeptide, controls nerve cell differentiation in hydra | 461 |