1886*.] A. B. Kempe on Knots on Endless Cords. 37 
The advantage of this mode of representation is that it involves a 
smaller number of lines than the former mode, and thus the dia- 
grams are simpler and clearer. 
11. In the lower half of the plate the same knots are indicated 
again, but on this new plan. [By an oversight the last, and the last 
but two, of the seven-folds have been interchanged in this part of 
the diagram.] 
3. On the Bing- Waves produced by throwing a Stone into 
Water. By Sir W. Thomson. 
(Printed in full in the Philosophical Magazine , Jan. 1887.) 
4. On the Waves produced by a Ship advancing uniformly" 
into Smooth Water. By the Same. 
(Phil. Mag., Jan. 1887.) 
5. Expansion of Functions in terms of Linear, Cylindric, 
Spherical, &c., Functions. By P. Alexander, M.A. 
Communicated by Dr T. Muir. 
(This paper is printed in the Transactions. ) 
6. On Even Distribution of Points in Space. By Prof. Tait. 
[Abstract.) 
The question raised is very closely connected with § 6 of my 
paper on the Kinetic Theory of Gases [Trans. R.S.E. xxxiii. 71). 
The result arrived at is that, when (in the thin layer) some particles 
prevent others from doing their full duty, the formula should be 
g - n^Sx ? i ns tead of 1 - 71 1 tts 2 8x 
as given in the text. 
