HAZZLEDINE WARREN : STUDY OF PRE-HISTORY IN ESSEX. 145 At Writtle, at 5.30 p.m., on the same day, Mr. Williams tells me there was another violent storm of thunder and lightning, accompanied by torrential rain. I desire to thank Miss Mabel Usborne, the late Mr. William Marriott, Mr. Williams, and Mr. Waters, for kind help. THE STUDY OF PRE-HISTORY IN ESSEX, AS RECORDED IN THE PUBLICATIONS OF THE ESSEX FIELD CLUB. Being a Presidential Address delivered to the Club at the Annual Meeting on 25th March 1916. By S. HAZZLEDINE WARREN, F.G.S. CONTENTS. PAGE I. Introduction .. .. .. .. .. 145 II. Problems of Pre-Palaeolithic Man . . .. 147 III. Relation of Palaeolithic and Glacial Deposits 148 IV. Palaeolithic Deposits: Stratigraphy and Fauna.. 150 V. Palaeolithic Implements .. .. .. 155 VI. Holocene : Stratigraphy, Fauna, Relic-Beds .. 159 VII. Surface Stone Implements .. .. .. 164 VIII. Bronze Implements .. .. .. .. 166 IX. Bone Implements .. .. .. .. 167 X. Pottery .. .. .. .. .. 167 XI. Pit-Dwellings, Rubbish Pits?, Pile-Dwellings .. 168 XII. Earthworks .. .. .. .. .. 169 XIII. Streamlet Dams .. .. .. .. 172 XIV. Roads .. .. .. .. .. 173 XV. Tumuli and Mounds .. .. .. .. 173 XVI. Human Remains.. .. .. .. .. 174 XVII. Interment Sites .. .. .. .. 175 XVIII. Deneholes .. .. .. .. .. 176 XIX. Red Hills .. .. .. .. .. 179 XX. Charcoal Burning .. .. .. .. 180 XXI. Game Trapping, Fishing .. .. .. .. 180 XXII. Folk Lore .. .. .. .. .. 182 XXIII. Miscellaneous .. .. .. .. .. 182 XXIV. Anthropology (Foreign).. .. .. .. 184 XXV. Prehistoric Research (Methods of) .. .. 184 XXVI. Bibliographical .. .. .. .. .. 185 XXVII. Maps .. .. .. .. 185 XXVIII. Personal .. .. .. .. .. 186 I. Introduction. PROFESSOR Huxley once said, that if every book in the world were destroyed, with the exception of the Philo- sophical Transactions of the Royal Society, the main structure of physical science would rest unshaken. For the Publications of our little Club, we cannot make, of course, such a comprehensive