of Edinburgh, Session 1876-77. 419 
which is an obvious truism. The method seems well worth the 
attention of any one with leisure and some analytical skill. 
July 24. — Mr Muir has kindly given me a reference to Crelle, 
vol. xii. p. 354, where it is stated that the above identity in one of 
its forms is in Schweins’ “ Analyse,” p. 237. This work I have not 
seen. Mr Muir adds that no developments or applications of the 
theorem are made. 
The following Gentlemen were duly elected Fellows of 
the Society : — 
1. James Stevenson, 4 Woodside Crescent, Glasgow. 
2. James Roberton, LL.D., Professor of Conveyancing, 1 Park- 
Terrace East, Glasgow. 
3. George A. Panton, 24 Rennet’s Hill, Birmingham. 
4. Isaac Baylf.y Balfour, Sc.D., 27 Inverleith Row. 
5. Sir Daniel Macnee, 6 Learmonth Terrace. 
6. William Pole, Mus.Doc., Memb. Inst. Civil Engineers, 31 Parlia- 
ment Street, Westminster. 
