xcii Errata. ERRATA. Page 12 line 3 (from bottom), for Peryginae read Perigynae. ,, 27 „ 14 „ or „ on. „ 125 ,, 1 ,, Xenophana Potentilla read Xesto- phanes Potentillae. ,, xviii ,, 14 and 46 ,, "Dane-holes" read "Dene-holes." ,, xxxii „ 17 (from bottom) „ side read site. „ xxxiv heading, ,, July „ June. ,, xxxix lines 4 and 5. A curious error has crept in here ; the founder of "Fairlop Fair was Daniel Day, a block and pump maker, of Wapping. The author of ' Sandford and Merton ' was Thomas Day, of Stapleford-Abbots, near Abridge, Essex.—Ed. Plate iv. fig. 2. The horizontal scale is ten times too great; the reader is requested to strike off a cipher from each number ; the vertical scale is correct.—Ed. WEST, NEWMAN AMD CO., PRINTERS, 54, HATTON GARDEN, LONDON, E.C.