Conlentx. 



V. — Chemistry and Physigs. 



Art. 1. The Chemical Composition o1 Meat-extract. Bv A. M. Wright. 

 F.C.S. 



l[. On certain Changes in the Composition of the Nitrogenous Con- 

 stituents of Meat-extracts. By A. M. Wright, F.C.S. 



[II. The First-noted Occurrence of Pcntathionic Acid in Natural Waters. 

 By J. 8. Maclaurin, D.Sc. 



IV. The Conductivity of Aqueous (Solutions of Carbon -dioxide prepared 

 under Pressure at various Temperal ures ; with Special Refer- 

 ence to the Formation of a Hj'drate at Low Temperatures. 

 By C. M. Stubbe. M.A. 



V. On the Velocitj' of Evolution of Oxygen from Bieaching-powder 

 Solutions in Presence of Cobalt-nitrate, and the Modifications 

 produced bv the Addition of vario\is Compounds. By N. M. 

 Bell, M.A. ■ . . 



VI. Depression of the Freezing-point of Water by Carbon-dioxide in 

 Solution. By F. D. Farrow, M.Sc. 



VII. On the Rate of Oxidation of .Acetaldehvde to Acetic Acid. By 

 D. B. Macleod, M.A. . . . . " 



VIII. Studies on the Chemistry of the New Zealand Flora. Part IV : 

 The Chemistry of the PodocarpL By T. H. Easterfield 



IX. Furthei- Exjeriments on the Influence of Artesian Water on the 

 Hatching of Trout. By C. Coleridge Farr, D.Sc, and D. B. 

 Macleod, M.A. 



PAGES 



1-b 



7-8 



9-11 



1 1-26 



26-28 



29-33 



33-52 



53-55 



56-57 



Index. 



Authors of Paperis 



(J79-680 



PROCEEDINGS. 



[Following p. ()80.] 



Pakt 1. — Issued lUth September, 1910. 

 U. — Issued ISth January, 1911. 

 III.— Issued 12th May, 1911. 



