VI 



May 19, 1892. 



Page 



On Nova Aurigse. By William Huggins, D.C.L., LL.D., F.R.S., and 

 Mrs. Huggins. [Plate 4] 486 



On the Changes produced by Magnetisation in the Length of Iron and 

 other Wires carrying Currents. By Shelford Bidwell, M.A., LL.B., 

 F.R.S 495 



On the Measurement of the Magnetic Properties of Iron. By Thomas 

 Gray, B.Sc, F.R.S.E 503 



On the Development of the Stigmata in Ascidians. By Walter Garstang, 

 M.A., Jesus College, Oxford, Berkeley Fellow of the Owens College, 



Manchester « 505 



Observations on the Post-Embryonic Development of Ciona intestinalis 

 and Clavelina lepadiformis. By Arthur Willey, B.Sc. Loud 513 



The Human Sacrum. By A. M. Paterson, M.D., Professor of Anatomy 

 in University College, Dundee, St. Andrews University... , 520 



List of Presents 525 



No. 314. 



Index Number. 



Obituary Notices : — 



Sir George Airy i 



Edmond Becquerel xxi 



Thomas Sterry Hunt xxiv 



Carl Wilhelm von Nageli xxvii 



Philip Henry Carpenter xxxvi 



The Duke of Devonshire xxxviii 



Sir James Risdon Bennett xli 



Sir Edward Sabine xliii 



Index .,. liii 



