Problems Presented by Haemocyanins..- Hemocyanin as a Protein.- Heterogeneity of Panulirus interruptus Hemocyanin..- Structure, Dissociation and Reassembly of Limulus polyphemus Hemocyanin..- Association Equilibria of Callianassa Hemocyanin..- Spider Hemocyanins: Recent Advances in the Study of Their Structure and Function..- Scorpion Hemocyanin Subunits: Properties, Dissociation, Association..- Subunit Association and Oxygen-Binding Properties in Spider Hemocyanins..- Heterogeneous Subunits of the Hemocyanins from Jasus edwardsii and Ovalipes catharus..- Crystals of Limulus Hemocyanin and Its Subunits..- Subunits of Hemocyanin.- Digestion of Lymnaea stagnalis Haemocyanin with Trypsin..- Structural Investigations on ?-Haemocyanin of Helix pomatia by Limited Proteolysis..- Composition and Structure of Glycopeptides Obtained by Cyanogen Bromide Cleavage of Buccinum undatum Haemocyanin..- Breakdown of Murex trunculus Haemocyanin into Subunits..- The Minimal Subunit of Arthropod Hemocyanin..- Morphology of Helix pomatia Hemocyanin and Its Subunits..- Physical Properties of Hemocyanin.- The Investigation of the Proton Magnetic Resonance Spectra of Some Copper Proteins..- Fluorescence and Absorption Studies of Limulus Hemocyanin and Its Components..- Limulus polyphemus Hemocyanin. A Nuclear Magnetic Resonance Study of Its Subunits..- Hemocyanin as a Copper Complex.- On the Active Site of Molluscan Haemocyanin and of Tyrosinases. Opening Address..- Photooxidative and Spectral Studies of Octopus vulgaris Hemocyanin..- The Photooxidation of Helix pomatia Haemocyanin..- X-Ray Photoelectron Spectroscopic Studies of Hemocyanin and Superoxide Dismutase..- Electron Paramagnetic Resonance in the Study of Binuclear Centres of Copper Proteins..- Reactions of Hemocyanin.- Some Reflections About Linked Phenomena in Macromole- cules..- Oxygen Binding to Haemocyanin: A Tentative Analysis in the Framework of a Concerted Model..- The Oxygen Equilibrium of Murex trunculus Haemocyanin..- PrlĂ#