Vi Contents. 
January 31, 1887. PAGE 
On the Motion of a Ring in an Infinite Liquid. By A. B. Basset . . At 
On the Form and Position of the Horopter. By J. Larmor . : 60 
On the finer structure of the walls of the endosperm cells of Theirs 
communis. By W. Gardiner . t , ; . : : x 1G 
February 14, 1887. 
On the Influence of Capillary Action in some Chemical Decompositions. 
By G. D. Liveing . : : : : : . : . G6 
On Homotaxis. By J. E. Mare ‘ : 74 
Note on the functions of the secreting tees Poaadl upon the hodes af 
young stems of Thunbergia laurifolia. By W. Gardiner : 2 fe 
On the petiolar glands of the Ipomceas. By W. Gardiner . : 83 
On the occurrence of secreting glandular organs on the leaves of some 
Aroids. By W. Gardiner : 2 A : ; : : . 83 
February 28, 1887. 
Experiments on the magnetization of iron rods, especially on the effect 
of narrow crevasses at right angles to their length. By Prof. J. J. 
Thomson and H. F. Newall. ; : : 84 
On some measurements of the frequencies of ihe mete of a whiaile of 
adjustable pitch. By W. N. Shaw and F. M. Turner... . 90) 
On a Class of Spherical Harmonics of Complex Degree with Anliontion 
to Physical Problems. By E. W. Hobson c ‘ 7 / iy 99 
May 2, 1887. 
On the application of Lagrange’s equations to the motion of a per- 
forated solid through a liquid when there is circulation. By A. B. 
Basset. : 95 
On the deduction of the ence Deere eee oe the 
principle of Energy. By J. Larmor , : : : : a4 eo 
May 16, 1887. 
On a larva of Balanoglossus. By W.F.R. Weldon. : : = LOS 
May 30, 1887. 
On the expansions of the Theta functions in ascending powers of the 
argument. By J. W.L. Glaisher . 3 : : : : Bt 96 
Some Laboratory Notes. By W.N.Shaw . : : : : 4 Bs 
Corrigendum of paper on Observations and Statistics. By F. Y. Edge- 
worth . : : ‘ : : . : : : » LOL 
