19 



COMMUNICATIONS 



TO THE 



MONTHLY MEETINGS, 

 1851. 



January. — John Phillips, Esq. — On Magnetism in Yorkshire. 



June. — J. Hall, Esq. — On the Walls of Roman York. 



November. — W. Gray, Esq. — On the total Eclipse of the Sun, of 

 the 28th July last, as observed by him in Norway. 



