Adolph, E. F. 1967. Ontogeny of volume regulation in embryonic extracellular fluids.Anderson, K. S., Randall, E. J., Main, A. J. & Tonn, R. J. 1966. Netting at High Pines.Davis, F. W. 1965. Robins and D.D.T.Gans, C. & Bock, W. J. 1965. The functional significance of muscle architecture—a theoretical analysis.Grant, P. R. 1966. Retarded or arrested cranial development in a Mexican passerine, Myiopagis viridicata (Vieillot)Hudson, G. E., Parker, R. A., Van den Berge, J. & Lanzillotti, P. J. 1966. A numerical analysis of the modifications of the appendicular muscles in various genera of gallinaceous birds.KING, J. R. Adipose tissue composition in experimentally induced fat deposition in the 1967.Peiponen, V. A. & Bosley, A. 1964. Torpidity in a captive Nightjar (Caprimulgus europaeus L.).Powell, J. R. & Burke, J. D. 1966. Avian blood oxygen capacity.Rijke, A. M. 1967. The water repellency and feather structure of cormorants, Phalacrocoracidae.Siegfried, W. R. 1966. Growth, plumage development and moult in the Crowned Guineafowl Numida meleagris coronata Gurney.Sladen, W. J. L., Boyd, J. C. & Pederson, J. M. 1966. Biotelemetry studies on Penguin body temperatures.Snow, D. W. & Snow, B. K. 1963. Meights and wing‐lengths of some Trinidad birds.Zwckel, F. C. 1966. Sex and age ratios and weights of Caprrcaillie from the 1965–66 shooting season in Scotland.