338 PLEISTOCENE GEOLOGY OF THE THAMES VALLEY.
(3) 1838. Sowerby, (G. B.) "Comparison of Cyrena, Valvata and Unio,
found at Grays, with recent species." Ibid, p. 546.
(4.) 1843. Brown (John).—"Fossil Remains in Essex (Grays)." Ann. and
Mag. Nat. Hist., vol. xi.,p. 325.
(5.) 1844-1847. Falconer (Hugh) and Cautley.—Fauna Antiqua
Siva/ensis.
(5a.) 1846. Forbes (Prof. E.)—Memoirs of the Geological Survey, vol. i.,
pp. 393-5.
(6 ) 1846. Owen (Sir R.)—British Fossil Mammals and Birds.
(7.) 1848. Owen (Sir R.)—"Occurrence of the Megaceros hibernicus and of
Castor europaeus in the Pleistocene Deposits of Ilford and Grays
Thurrock." Q.J.G.S , vol. iv., p. 42.
(8.) 1848-1856. Wood (S. V.)—Crag Mollusca. Mem. Pal. Soc.
(8a.) 1850. Jones (T. Rupert.)—"Descriptions of the Entomostraca of the
Pleistocene Beds of Newbury, Copford, Clacton and Grays." Ann.
und Mag. Nat. Hist., ser. 2, vol. vi., pp. 25-28 (with a Plate).
(9.) 1855. Prestwich (Sir J.)—"On the origin of the Sand and Gravel-
pipes in the Chalk." Q.J.G.S., xi., p., 71.
(10.) 1856. Owen (Sir R.)—"Description, etc., of a bone of Cygnus musicus
from Grays" ; vide Q.J.G.S., xii., p. 211, pl. 3, fig. 13a and b.
(11.) 1857. Blasius (J. K.)—Säugethiere Deutchslauds. pp. 338-390, figs.
from 177.
(12.) 1857. Falconer (Dr. Hugh)—"On the Species of Mastodon and
Elephant occurring in the Fossil State in Great Britain. Part I.,
Mastodon." Q.J.G.S., xiii., p. 307 (and (24) vol. ii.)
(13.) 1860. Brown (John)—"On Some Fossil Remains of Mammalia lately
discovered in Essex ; with Remarks on the Position of the Beds of
Drift occurring in that County." Proc. Geol. Assoc. vol. i., p. 29.
(14.) 1861. Jones (E.)—"Sandpipes at Grays Thurrock." Geologist,
vol. iv., p. 258.
(15.) 1863 Lyell (Sir Chas.)—The Antiquity of Man. 1st ed., pp. 157-158.
(16.) 1865. Falconer (Dr. Hugh.)—"On the Species of Mastodon and
Elephant occurring in a Fossil State in Great Britain Part II.
Elephant."—Q.J.G.S., xxi., p. 253 (and (24) vol. ii.)
(17.) 1866. Wood (S. V., jun.)—"On the Structure of the Thames Valley
and its contained Deposits." Geol. Mag., iii., pp. 57-99.
(18.) 1867. Dawkins (Prof. W. B.)—"On the Age of the Lower Brickearths
of the Thames Valley." Q.J.G.S., xxiii., pp. 91-109.
(10.) 1867. Dawkins (Prof. W. B.)—"On the British Fossil Oxen." ibid,
pp. 176-184.
(20) 1867. Dawkins (Prof. W. B.)—"The Boulder Clay of the Thames
Valley." Geol. Mag., iv., p. 430.
(21.) 1867. Dawkins (Prof. W. B.)—"The Age of the Thames Valley
Deposits." ibid., p. 564.
(22.) 1867. Morris (Prof. J.)—"On the Occurrence of Grey Wethers at
Grays, Essex." ibid., p. 63.
(23.) 1867. Wood (S. V., jun.)—"On the Structure of the Post-Glacial
Deposits of the South-East of England." Q.J.G.S., xxiii., pp. 394-
417. (Corrections in Geol. Mag., v., pp. 43-53).