THE ESSEX FIELD CLUB. 127 Mr. Jane showed under the microscope some Zoeae of the prawn Palae- mon serratus, and described, with lantern-diagrams, his observations on their structure and movements. Mr. Scourfield exhibited, under the microscope, specimens of Euglena which formed a green carpet of sluggish individuals of these plants, and which seemed to suggest a winter habit of resting on the bottom of ponds in a quiescent, though not encysted condition. Mr. Hugh Main exhibited specimens of the larvae of Vermileo and Myr- meleo, and gave an account, illustrated by lantern photographs, of the life- histories of these "ant-lions." The President called upon Mr. Sidney W. Wooldridge, M.Sc., F.G.S., who read a paper "On Sections showing a Transition from London Clay to Bagshot Sand at Rayleigh." Mr. H. C. Berdinner, B.Sc., followed with an account of the method of grading silt and sand particles by means of an elutriator, with special reference to the Bagshot Sand of Essex and other counties ; and Mr. Arthur Wrigley, F.G.S., concluded by an account of some of the rarer fossils which had as yet been met with in the London Clay at Rayleigh. This tripartite communication was illustrated by lantern diagrams, and by the exhibition of the fossils found at Rayleigh, as well as of London Clay fossils from other localities preserved in the Stratford museum. After an interesting discussion, in which Professor Gordon, of King's College, London, who was present as a visitor, took part, cordial thanks were passed to the joint-authors, and the meeting adjourned. VISIT TO WOODFORD (593RD MEETING.) SATURDAY, 21ST MARCH, 1925. This, the first day of Spring, according to the calendar, was celebrated, in not unusual manner, by a snow-blizzard during the afternoon, not- withstanding which a hardy little band of some 20 Members duly carried through the chiefly outdoor programme which had been arranged. Assembled at the parish church of St. Mary, Woodford, at 2.30 o'clock, the party was received by the Rector, the Rev. F. J. Albery, and listened with interest to an exhaustive description of the church and its monuments, accompanied by an account of some of the local worthies and events of past times, which had been prepared by our leader, Mr. Stephen J. Barns : as this most careful compilation will, it is hoped, before long be embodied in a history of Woodford, which Mr. Barns has in contemplation, it cannot be given here. The rector kindly produced the parish registers for in- spection by the visitors, and the entry of the burial of Richard Warner on April 20, 1775, was read with interest. Regret was expressed that the tomb of Warner can no longer be identified, although its description and situation, "an altar-tomb, covered with a grey-marble slab, on the north side of the chancel, near the chancel door," are given with con- siderable exactitude. The present incumbent is gradually clearing away the tangled creepers and bushes which grow over and mask many c f the older tombs in the churchyard, and this action may, it is to be hoped, result in the re-discovery of the exact resting-place of our local botanist.