1 Experiments and Modelling in Biology -- Simulation of the entrainment of the respiratory rhythm by two conceptually different models -- Glycolytic oscillations: an attempt to an โ{128}{156}in vitroโ{128}{157} reconstruction of the higher part of glycolysis: modelling and experimental approach -- Medical exploration of some rhythmic phenomena: a topological semeiology -- Spatio-temporal organization in immobilized enzyme systems -- Stereological analysis of circadian rhythms in nucleoli of rat sympathetic neurons -- Formalization of adrenal-postpituitory circadian rhythms by the model for the regulation of agonistic-antagonistic couples. Parameter identification -- 2 Theoretical Study of Biological Models -- The spruce budworm-forest and other ecosystems -- On the conservation of physiological function in a population of interactive and self replicative units -- Dynamics and stability of induction of the lactose operon of Escherischia Coli -- Automata networks as models for biological systems: a survey -- A critical discussion of plausible models for relay and oscillation of cyclic-AMP in Dictyostelium cells -- Fully asynchronous logical description of networks comprising feedback loops -- The rotor in reaction-diffusion problems and in sudden cardiac death -- 3 Deterministic Modelling of Rhythms -- Spatio-temporal oscillations of a cellular automaton in excitable media -- On the use of renormalization technics in the study of discrete population models in one dimension -- Hydrodynamics and cell division -- On the solutions of some differential equation in IR3 with small parameter -- Self-pulsing in ring-lasers -- Numerical analysis of the behaviour of an almost periodic solution to a periodic differential equation, an example of successive bifurcations of invariant tori -- 4 Stochastic Modelling of Rhythms -- Evolutive spectral analysis by autoregressive process of isotopic climatic data from Antartica -- Optimal randomness in foraging movement: a central place model -- A model for weather cycles based on daily rainfall occurrence -- A statistical approach to difference-delay equation modelling in ecology-two case studies -- Identification and modelling techniques for biological rhythms -- Chaotic curves -- Time series analysis and biology -- Large deviations and more or less rare events in population dynamics