"PROCEEDINGS | 
OF ) 
THE ROYAL SOCIETY. 
Series B. Vol. ‘Bo. “No. Besse. 
BIOLOGICAL SCIENCES. 
CONTENTS. 
eae 7 Page 
“on a On the Structure of Sigillaria scutellata, Brongn., and other Eusigillarian : 
: Stems, in Comparison with those of other Palzeozoic Lycopods. By 
E. A. NEWELL ARBER, M.A., F.L.S., F.G.S., Trinity College, Cambridge ; 
- University Demonstrator in Palaobotany, and HUGH H. THOMAS, B.A, 
formerly Scholar of Downing College, Cambridge. (Abstract) j . 148 
3 Dietetics in Tuberculosis: Principles and Economics. By NOEL DEAN 
BARDSWELL, M.D., M.R.C.P., F.R.S. (Edin.), Medical Superintendent, 
King Edward VII Sanatorium, and JOHN ELLIS CHAPMAN, M.R.C.S., 
FO ce s __L.R.C.P., Medical Superintendent, Coppin’s Green Sanatorium ; . 51 
~ On the Weight of Precipitum obtainable in Precipitin Interactions with Small 
Weights of Homologous Protein. By Professor D. A. WELSH and 
Dr. H. G. CHAPMAN Fo Re COIR. UN CR ga toes hd. BOE 
Observations upon Peeeocicss carried out by Means of Melanin to. 
_Ascertain more particularly whether the Opsonic Index is Identical with 
the Hzemophagocytic Index. By S. G. SHATTOCK and LEONARD S. 
Dee eens ee eet Oe eee eee 
A Contribution to the Study of the Mechanism of Respiration, with Especial 
~ — Reference to the Action of the Vertebral Column and Diaphragm. By 
Per AES DALEY: M2, MLD. Cantab. 0 ey ie ee 
¥ 
| | roe Notices of Fellows deceased :— 
- Sir D. Brandis ; Sir W. H. Broadbent, Bart., K.C.V.O. ; W. T. Gairdner ; 
___-R. Warington; W. F. R. Weldon. | 
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