Essex Well-Sections. 163 Southchurch. Information got by Mr. Dalton from Mr. Purkiss, well-sinker. Water up to 36 feet below the surface. To base of London Clay..................... 355 Sand ............................................. 40 395 Southend.—On the Green, Lower Southend. About 1850. Communicated by Mr. Scott (of the Royal Hotel). Surface about high-water mark. Sand and shingle [beach] ........................ 35 Blne [London] Clay........................about 440 To sand and water.................. 475 Another well near by, 380 feet. According to Mr. Purkiss a well at the Royal Hotel Mews reached the base of the London Clay at 370 feet; but these figures would seem to be too low, as also is the case with the following (from the same authority, through Mr. Dalton):— Southend.—Railway Station. Gravel .................................... 15 London Clay.............................. 340 Sand ....................................... 40 395 Stanstead.—Acus Almshouses, Sunk and communicated by Mr. G. Ingold. Shaft 46 feet; the rest bored. Water 47 feet down. Stratford.—Messrs. Howard & Son's Chemical Works. On the main road, about midway between Bow and Stratford. 1884. Sunk and communicated by Messrs. Legrand & Sutcliff. Shaft 14 feet ; the rest bored. Water-level 31 feet down.