CATLOW, Agnes. Drops of Water; their marvellous and beatiful inhabitants displayed in the microscope, London, Reeve and Bentham, 1851, 12° in 6s, hand-coloured lithographed frontispiece and 3 plates by Achilles, original light green cloth decorated in blind and gilt, g.e. -- SANDERS, J. Milton. The Chrystal Sphere; its forces and its beings, or, reflections in a drop of water, London, Hippolyte Bailliere, 1857, 12°, hand-coloured lithograph frontispiece by P. Sanders, original blue cloth decorated in black and gilt, g.e. -- PRITCHARD, Andrew. Notes on Aquatic Microscopic Subjects of Natural History, selected from the "Microscopic Cabinet ", London, Whittaker & Co., 1854, 8°, 10 hand-coloured engraved plates, one folding (occasional spotting), original red cloth decorated in blind and gilt (spine worn and faded), PRESENTATION COPY inscribed on the front free endpaper "From the Author 15 August 1863" [Nissen ZB1 3244]; and 4 others. (7)