CONTENTS. 
Notes on the Proportion of the Sexes in Dogs. By W. Heape . 
The Natural Units of Mass, Length and Time. By H. C. Pocklington 
Some New Platinocyanides. By L. A. Levy. (Communicated by 
Dr Fenton) 
A study of the Navicular in the Human and Anthropoid Foot. By 
T. Manners-Smith. (Preliminary note.) (Communicated by 
Professor Macalister) 
A Series of Substituted Bromanilines. By J. R. Hill. (Communicated 
by H. 0 . Jones) 
Some observations on Complex Carbonates. By T. B. Wood and 
H. O. Jones 
An optically active tetrahydroquinoline compound. By F. Buckney. 
(Communicated by H. 0 . Jones) ....... 
The Ethnology of Modem Egypt. By C. S. Myers . . . 
An experiment with a pair of Robison ball-ended Magnets. By G. F. C. 
Searle 
A method of determining the thermal conductivity of Indiarubber. By 
G. F. C. Searle - 
A new coloured fluorescent hydrocarbon. By Miss Annie Homer, 
(Communicated by H. O. Jones) 
The Resolution of Salts of Asymmetric Nitrogen Compounds and Weak 
Organic Acids. By Miss Annie Homer. (Communicated by 
H. O. Jones) 
Dithio.vanthoxalanil and its Homologues. By S. Ruhemann 
Note on the influence of extraneous forces upon the proportion of the 
sexes produced by Canaries. By W. Heape ..... 
A curvature method for measuring surf ace tension. By C. T. R, Wilson 
The tendency to fusion shown by the suboccipital vertebrae. By Professor 
Macalister 
Some points in the anatomy of the peripheral nerves. By E. Barclay - 
Smitht 
On an occipital vermian fossa and cerebellar vermian eminence. By 
G. F. Rogers. (Communicated by Professor Macalister) 
fn the mode of formation of the initial cell-wall, the genesis and 
neogenesis of the connecting threads, and the method of connection 
of living tissue cells. By W. Gardiner 
vhe ft rays from Potassium. By N. Campbell . 
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