Ill 
The Rise and Progress of Anthropology. By Robert Munro, M.A., 
M.D. (With a Plate), 
On the Compressibility of Fluids. By Prof. Tait, 
On a New Water-Bottle for Collecting Samples of Sea-Water from 
Moderate Depths. By H. N. Dickson, F.R.G.S., . 
Hydrolysis in some Aqueous Salt Solutions. By James Walker, 
D.Sc., Ph.D., ‘ . 
The Pallia! Complex of Dolabella. By J. D. F. Gilchrist, M.A., 
B.Sc., Ph.D. Communicated hy Professor Ewart, F.R.S. {From 
the Natural History Laboratory of the University of Edinburgh.) 
(With a Plate), ....... 
Coordinates versus Quaternions. By Professor Cayley, 
On the Intrinsic Nature of the Quaternion Method. By Prof. Tait, 
On the AjDjDlication of Van der Waals’ Equation to the Compression of 
Ordinary Liquids. By Prof. Tait, ..... 
Note on Magnetic Induction in Nickel Tubes. By Professor C. G. 
Knott, D.Sc., and A. Shand, Esq., ..... 
Note on the Volume Changes which accompany Magnetisation in Nickel 
Tubes. By Professor C. G. Knott, D.Sc., F.R.S.E., and A. Shand, 
Esq., ......... 
Note on Professor Cayley’s Proof that a Triangle and its Reciprocal are 
in Perspective. By Thomas Muir, LL.D., .... 
A Problem of Sylvester’s in Elimination. By Thomas Muir, LL.D., . 
Note on Dr Muir’s Paper, “A Problem of Sylvester’s in Elimination.” 
By Professor Cayley, ...... 
The Reproduction of the Edible Crab {Cancer pagurus). By Gregg 
Wilson, M.A., B.Sc., Natural History Laboratory, University of 
Edinburgh. Communicated by Prof. J. C. Ewart, M.D., F.R.S., . 
On the Chemical Composition of Sea-Water. By John Gibson, 
Ph.D., 
On a Theorem regarding the Difference between any Two Terms of the 
Adjugate Determinant. By Thomas Muir, LL.D., 
On the Measurement of Simple Reaction Time for Sight, Hearing, 
and Touch. By Professor Rutherfurd, M.D., F.R.SS. Lond. and 
Edin., ........ 
An Experiment on the Influence of Thyroid Feeding on the Proteid 
Metabolism in Man. By J. J. Douglas, M.B., C.M., F.R.C.P. 
Edin. {From the Research Laboratory of the Royal College of Physi- 
cians of Edinburgh), ....... 
Further Note on the Volume Changes which accompany Magnetisation 
in Iron and Nickel Tubes. By Professor C. G. Knott, D.Sc., 
F.R.S.E., and A. Shand, Esq., ..... 
Notes on a Peculiarity in the Form of the Mammalian Tooth. By 
J. Smith, M.D. (Illustrated), ..... 
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