--A contribution to the physical analysis of the phenomena of absorption of liquids by animal tissues, by R.W. Webster.--The distribution of blood-vessels in the labyrinth of the ear of Sus scrofa domesticus, by G.E. Shambaugh.--The animal ecology of the Cold Spring sand spit, with remarks on the theory of adaptation, by C.B. Davenport.--The finer structure of the neurones in the nervous system of the white rat, by Shinkishi Hatai.--The phylogeny of angiosperms, by J.M. Coulter.--Studies in fat necrosis, by H.G. Wells.--Oogenesis in Saprolegnia, by B.M. Davis.--The early development of Lepidosteus osseus, by A.C. Eycleshymer.--The structure of the glands of Brunner, by R.R. Bensley.--Mitosis in Pellia, by C.J. Chamberlain.--A description of the brains and spinal cords of two brothers dead of hereditary ataxia (Cases XVIII and XX of the series in the family described by Dr. Sanger Brown) by L.T. Barker.