Our readers, after the various references of late to the state of health of the universally-esteemed pastor of Salem, Wilton-square, were not taken by surprise on reading the brief announcement in the August number of Earthen Vessel and Gospel Herald, that Mr. William Flack had "Crossed the narrow sea." This took place on July 17, 1895, in the 80th year of his age. Our departed brother's life was a very eventful one, and it would well repay the reader to get a copy of "The Christian Pathway," if it is to be had, and peruse the same. All we can do is to supply a brief summary, and commence by giving his birth-place and origin.  William Flack was born in the town of Ware, Herts.,…