(Paper No. 4893.) " Uniform Flow in Alluvial Rivers and Canals." By GERALDLACEY, B.Sc., Assoc. M. Inst. C.E. INa previous Paper 1 the Author advanced a theory of silt transportation based for the greater part on hydraulic observations on irrigation-canals in India, and intended primarily for use of canal the engineers in design : inthis communication he colhtes a mass of observations from rivers and canals and derives by a more rigid analysis a general theory of flow applicable t o channels flowing uniformly in incoherent alluvium...