Poulton, Mr. C., Wooburn, near Marlow, Bucks; beautiful preparations of minute fossil animal and vegetable structures for the microscope at 1s. 3d. per slide. Infusorial earths admirably prepared. Specimens of foraminifera, recent and fossil. Grignon sand with, foraminifera, &c.
Powell, Mr., 24, Clarendon-street, Clarendon-square.
Pritchard, Mr. Andrew, Fleet-street; the author of various useful works on microscopical subjects. Mr. Pritchard’s microscope, of from seven to ten guineas, has been purchased by several of my geological friends, and admirably answers the purpose of investigation.
Ross, Mr. 21, Featherstone-buildings, Holborn; justly celebrated for the perfection of his instruments.
Smith and Beck, Messrs. 6, Coleman-street, City.
BRIGHTON.
Nightingale, Mr. 52, Frederick-street, near the railway station Brighton A large assortment of Sussex chalk and other fossils. Mr. Nightingale is a first-rate artist in clearing chalk fishes and crustaceans.
Thatcher, Mr., West Cliff, King’s-road, has often very choice chalk fossils, admirably cleared, and at fair prices.
Most of the pebbles cut and set in brooches, and sold by the lapidaries and jewellers in this town, as Brighton common German moss-agates. The green brooches called Brighton aqua marines! are rolled fragments of bottle-glass. Occasionally good sections of the Choanites (see p. 234) may be obtained: inquire for "petrified sea-anemones."
CHIPPENHAM, WILTS.