Scientia Sinica

CONTENTS

PHYSICS On the Equilibrium and Vibration of a Transversely ; Isotropic Elastic Body ......-------00-8000s Hu Hai-Chang (GAYE) Internal Friction Peaks Associated with the Tempering of Martensite in Steels...... Ké Ting Sui (T. S. Ké, ERE)

and Ma Ying-Liang (iE)

On Volume Visco-elastic Theory of Fluids and Its Application to Sound Dispersion Bhenomenawe eye eee =e eee Lu Ho-Fu (Hoff Lu, #82)

CHEMISTRY

Studies on Fused Ring Systems II A. Resolution of y-(6-Methoxy-2-carboxy-1,2,3,4-tetrahydro-1naphthyl)-butyric Acid B. Preparation of Methyl d-and-I-1-hydroxy-2-methyl-2- . carbomethoxy-7-methoxy-1,2,3,4,9,10,11,12octahydrophenanthrene-l-acetate ..........----- Chang Chin (% $f) Studies on the Activity Coefficients of Noneletrolytes in Aqueous Salt Solutions ; I. The Effect of Cobalt-ammines on the Solubilities of n-Valeric Acid in Water ............ _.. Tzu-Ching Huang (#54) and Wen-Cheh Yang (#2018)

BIOCHEMISTRY Studies on Succinic Dehydrogenase I. Isolation, Purification and Properties...... Wang Tsing-Ying (JERSE),

_ Tsou Chen-Lu (28K®), and Wang Ying-Lai (KERR) A Comparative, Physico-chemical Study of Tropomyosins from Different Sources .........-.- 0022200 Tsao Tien-Chin (@ K 3), Tan Pe-Hsing (2a), and Peng Chia-Mu (GRE)

ANATOMY The Formation of New Epidermal Cells during the Process of Wound-healing on the Rabbit's Ear ..........-- Ma Wen-Chao (2c"5) Notes on the Ossification and Growth of the Human Zysomatic Bone y.s-aqe2- 2s Woo Ju-Kang (2iKE) PALAEONTOLOGY On Some Specimens of Lepidodendropsts hirmen Lutz from the Wutung Series of Kiamgsu .....-..-----+2+-+---->- H. C. Sze ( #fT2) The Correlation and the Age of the Yenchang Flora, Northern Shensi .........--------- H. C. Sze (R472) New Species of Brachiopods [I] ........------- Wang Yi (Y. Wang, = &) GEOLOGY

Preliminary Results on the Hydrothermal Synthesis Oe IByetdile Mies 54..cecccace=pess55c005c0%0r Tu Kwang-Chih GRICE)

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