CONTENTS {continued). 



PAGE 



III. On the Structure and Development of the Skull in the Batrachia. Part 



III. By W. K. Parker, F.R.S. . . . . . . .435 



IV. On the Relation of the Urea to the Total Nitrogen of the Urine in 



Disease. No. I. By W. J. Russell, Ph.D., F.R.S., and Samuel 

 West, M.B. Oxon 438 



Y. On the Amount of Nitrogen excreted in the Urine by Man at Rest. No. 

 II. By Samuel' West, M.B. Oxon., and W. J. Russell, Ph.D., 

 F.R.S.. 444 



VI. On the Artificial' FormWion of the Diamond. By J. B. Hannay, 



F.R.S.E., FlC.S. ,iy , 450 



VII. Further Note on the> Spectrum of Carbon. By J. Norman Lockyer, 



FMvv^..'":. ;-">"• . . . ., . . . . . . 461 



List of Presents 463 



GOVERNMENT GRANT OP £1000. 



A Meeting- of the G-overnment-G-rant Committee will be held in February, 1881. 

 It is requested that applications to be considered at that Meeting be forwarded to 

 the Secretaries of the Royal Society, Burlington House, before the 31st December, 

 1880. 



GOVERNMENT FUND OP £4000 



FOR THE PROMOTION OF SCIENTIFIC RESEARCH. 



A Meeting of the Goyernnient-Fund Committee will be held in February, 1881. 

 It is requested that applications to be considered at that Meeting be forwarded to 

 the Secretaries of the Royal Society, Burlington House, before the 31st of December, 

 1880. 



CATALOGUE OF SCIENTIFIC PAPERS, COMPILED BY THE ROYAL 



SOCIETY. 



Published by Her Majesty's Stationery Office. 

 8 toIs., 4to. 1800—1873. Per vol. : 20s., cloth ; 28s., half -morocco. 

 On Sale by Murray, Albemarle Street, and Triibner and Co., Ludgate Hill. 



HARRISON AND SONS, 45 & 46, ST. MARTIN'S LANE, W.C., 



AND ALL BOOKSELLERS. 



