CONTENTS (continued). 



PAGE 



XXIII. Approximate Greoruetrical Solutions of the Problems of the Duplication of 



the Cube and of the Quadrature of the Circle. By William Hayden . 525 



List of Presents * . . . 527 



Obituary Notices : — 



William B aird - xxiii 



Wilhelm Karl Bitter v. Haidinger xxv 



Heinrich G-ustav Magnus xxvii 



Sir Boderick Impey Murchtson, Bart xxi 



Colonel William Henry Sykes xxxiii 



EBBATA (No. 136). 



12, for change read correction. 



17, delete " with the signs changed." 



4, for Dec. 29 read Dec. 24. 



8 from bottom, for 0-000014 read 000010. 



5, for 2*22 read 22*2 • for 22 9 read 233 ; for 15*7 read 14*5; and 



for — 7*2 read— 8*8. 

 11 from bottom, for 25"82 read 25 '70. 

 10 „ for 25-96 read 25 92. 



21, for 33 7 read 24*1. 



EBBATUM (No. 137). 

 Page 521, line 13 from bottom, for Tiger read Lion. 



NOTICE. 



A Meeting of the Government- Grraut Committee will be held in February. It is 

 requested that applications to be considered at that Meeting be forwarded to the 

 Secretary of the Boyal Society before the 31st of January, 1873. 



Page 419, line 



fc „ 419, „ 



* „ 420, „ 



„ 420, „ 



M 421, „ 



„ 421, „ 



» 421, „ 



„ 422, „ 



TAYLOB AND FBANCIS, BED LION COUBT, FLEET STREET. 



