158 ESSEX WORTHIES. I.—MEMOIR OF THE LATE JOHN BROWN, F.G.S., OF STANWAY. By ALFRED P. WIRE. [Read May 17th, 1890.] WHEN our President, Mr. E. A. Fitch, in January, 1889, suggested that as I had been personally acquainted with the late Mr. John Brown, of Stanway, I should write a memoir of him for the Essex Naturalist, I readily acquiesced. The attempt became a labour of love, but still one of difficulty, as it is thirty years since Mr. Brown's death, and many of those who could have supplied information have passed away; I fear, therefore, that the story of his simple life, as now recoverable, is very fragmentary and imperfect. John Brown should certainly rank as one of our Essex Worthies, and it is the duty of the Essex Field Club to keep fresh the memories of those who have in their time endeavoured to advance the cause of science in our county by doing good local work. John Brown was born at Braintree in the year 1780, and when old enough was apprenticed to a stonemason. He was a very diligent lad, and mastered his handicraft thoroughly. While working among the stones in his master's yard his attention, like Hugh Miller's of Scotland, was attracted to the science of geology. This subject thereafter became his hobby, and he studied it unremittingly until his death. During his apprenticeship he cultivated the habit of close and careful observation, and he quickly became a first class workman, many times receiving the approbation of his master for his skilful use of the chisel. Once in particular, he used proudly to tell, he cut a wheatsheaf in stone, the execution of which was much admired for its accuracy and finish. After the expiration of his time as apprentice, he worked for a few years as journeyman at Braintree and when about twenty-five years old removed to Colchester, where, as a master mason, he carried on business on East Hill about twenty- five years. This brings us to the year 1830, and during this twenty- five years of active business life I can find no record of any published observations. But it had certainly not been an idle time, as John