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'An Extreme Case of Microcephaly. By E, G, Dru-Deury,, M.D„ 
B.S., D.P.H. (With Plates IX and X) . . . . . 149 
A Contribution to the Study of the Diamond Made, with a Note on 
the Internal Structure of Diamond. By J. E. Sutton, M.A., 
Sc.D., F.E.S.S.A., Hon. Memb. E.Met.S., Hon. Memb. S.A.S.O.E. 153 
Note on Carbolic Acid as a Fixative for Histological Preparations. 
By C. Lawrence Herman . . . . . . . . 169 
Note on a Sum of Products which Involves Symmetrically the Nth. 
Boots of 1. By Sir Thomas MuiR, LL.D. . . . ,173 
New and Interesting South African Mosses. By H. N. Dixon, M.A., 
F.L.S. (With Plates XI and XII) ...... 179 
Colour and Chemical Constitution. Part IX.— An Empirical Law 
of Change of Colour. By James Mom, M.A./D.Sc, F.I.C. . 225 
Additional Note on the Resolvabihty of the Minors of a Compound 
Determinant. By Sir Thomas Muir, LL.D. . . .229 
