CONTENTS. 



ARTICLE PAGE 



I. — On the Internal Oobesiou of Liquids and the Suspension 

 of a Column of Mercury to a height more than douljle 

 that of the Barometer. By Professor Osborne Eey.volds, 

 RE.S I 



II. — On the Combinations of Aurin vrith Mineral Acids. By 



E. S. Dale, B.A., and C. Scuorlehmer, F.E.S 19 



III. — On the Estimation of Small Excesses of Weight by the 

 Balance from the Time of Tibratiou and the angular 

 Deflection of the Beam. By J. H. Poykting, B.A., B.Sc. 23 



IV. — On Siliceous FossiUzation. — Part II. By J. B. Hanxay, 

 F.E.S.E., F.C.S., Assistant Lecturer on Chemistry in the 

 Owens College 31 



V. — On the Mean Temperatures of the Winters of the last 

 Twenty-nine Years. By the Eev. Thomas Mackeeetii, 

 F.E.A.S., &c 34 



VI. — Colorimetrical Experiments. — Part II. By James Bot- 



TOMLEY, B.A., D.Sc, F.C.S 38 



VII. — List of LeguminosjE observed growing near the Egyptian 

 Seashore, West of Eosetta, 1875 to 1877. By II. A. 

 HuBST and A. Letouu.vecx 53 



VIII. — On Colorimetry. — Part III. By James Bottomley, B.A., 



D.Sc, F.C.S 66 



IX. — On the Origin of the Word " Chemistry." By Carl 



SCIIOBLEMMER, F.E.S 75 



