Contents. ix 



November 10, 1879. 



On implement-bearing loams in Suffolk. By 0. Fisher .... 285 

 On Green's function for a rectangular parallelepiped. By A. G. Greenhill 289 



November 24, 1879. 



A preliminary notice on the development of the kidney in its relation to 



the Wolffian body in the chick. By A. Sedgwick .... 293 



December 8, 1879. 



On the value of the constant in Legendre's formula for the number of 



primes inferior to a given number. By J. W. L. Glaisher . . 296 

 On experiments with mercury electrodes. By W. N. Shaw . . . 309 



On two models of parallel motions. By H. Hart 315 



On some results in the theory of equations. By J. B. Kearney . .318 



February 9, 1880. 



A theorem in elementary trigonometry. By J. W. L. Glaisher . , 319 

 Note on the reflexion and refraction of light. By E. T. Glazebrook . 329 



February 23, 1880. 



On the transport of fine mud and vegetable matter by conferva. By 



Professor T. M^K. Hughes . 339 



On the altered rocks of Anglesea. By Professor T. M K. Hughes . . 341 



Note on some antlers of the fallow deer. By W. W. Cordeaux . . 348 



March 8, 1880. 



On the Schwarzian derivative and the polyhedral functions. By 



Professor Cayley 349 



Observations of the Sun on the Northern sea-horizon, taken between 

 10 P.M. and 3 a.m., August 1 — 2, 1879, at and near the North Cape. 



352 



359 

 361 



By J. B. Pearson ......... 



On a section of Newton's Principia in relation to modern geometry, 



By C. Taylor 



Integrals expressed by inverse elliptic functions. By A. G. Greenhill 

 On a method of constructing an electrical telescope, and on the applica- 

 tion of the principle to the theory of vision. By H. Middleton . 372 



April 19, 1880. 



On the minimum aberration of a single lens for parallel rays. By Lord 



Eayleigh ............ ?,~'i 



Note on the value of the least root of an equation allied to Jq {£) - 0. By 



A. Freeman . 375 



