INDEX SLIP. 
Hicks, W. M.— Researches in Vortex Motion. Part III.—On Spiral or 
Gy^static Vortex Aggregates. 
^ Phil. Trans., A, vol. 192, 1898, pp. 33-99. 
Vortex Atoms 
and the Periodic Law. 
Hicks, W. M. Phil. Trans., A, vol. 192, 1898, pp. 33-99. 
Vortex, Spherical, of Hill.—Extension to Poly-ads. 
HiCK.s, W. M. Phil. Trans., A, vol. 192, 1898, pp. 33-99. 
