WORKS ON GEOLOGY, MINERALOGY, AND PALEONTOLOGY. 789 
1848. 
(100) Baxer, T. Practical Survey of the Geology, Mineralogy, &c. 
.. . of the District of Dudley. 8vo. Birmingham. 
(zo1) Bockman, J. Notice of the Discovery of some new Cystideans 
from the Wenlock Shale near Walsall. Rep. Brit. Assoc. for 1847, 
Sections, p. 61. 
(102) Davipson, T. Mémoire sur les Brachiopodes du systeme 
silurien supérieur d’Angleterre. Bull. Soc. Géol. France, 2 sér. t. v. 
. 309. 
. (103) Ormerop, G. W. Outline of the principal geological features 
of the Salt-field of Cheshire and the adjoining districts. Quart. Journ. 
Geol. Soc. vol. iv. p. 262. 
1849. 
(104) Davinsoy, T. Observations sur quelques brachiopodes siluriens. 
Bull. Soc. Géol. France, 2 sér. t. vi. p. 271. 
(105) M’Coy, [Pror.] F. On some new Paleozoic Echinodermata. 
Ann. Mag. Nat. Hist. ser. 2, vol. ui. p. 244. (Dudley, p. 249.) 
(106) Morris, [Pror.] J. Note on the genus Siphonotreta, with a 
description of a new Species [S. Anglica]. Ann. Mag. Nat. Hist. vol. iv. 
p- 315. (Brit. Assoc.) 
(107) Vaux, F. Ultimate Analysis of some varieties of Coal. Quart. 
Journ. Chem. Soc. vol. i. p. 318. 
1850. 
(108) Ecerton, Sir P. ve M.G. Palichthyologic Notes. No. 3. On 
the Ganoidei Heterocerci. Qwart. Journ. Geol. Soc. vol. vi. p. 1. 
(109) Frercuer, W. Observations on Dudley Trilobites. Quart. 
Journ. Geol. Soc. vol. vi. pp. 235, 402. 
(110) Howarp, 8. Ona continued spontaneous Evolution of Gas at 
the Village of Charlemont, Staffordshire. Rep. Brit. Assoc. for 1849, 
Sections, p. 38. 
(111) Joxes, J. B. On the Relations between the New Red Sand- 
stone, the Coal-measures, and the Silurian Rocks of the South Stafford- 
shire Coal-field. Rep. Brit. Assoc. for 1849, Sections, p.55. 
(112) M’Coy, Prov. F. On some new genera and species of Silurian 
Radiata in the Collection of the University of Cambridge. Ann. Mag. 
Nat. Hist. ser. 2, vol. vi. pp. 270, 474. 
1851. 
(x13) Trier, J. On the Erratic Tertiaries bordering the Pennine 
Cham, between Congleton and Macclesfield; and on the Scratched 
Detritus of the Till. Quart. Journ. Geol. Soc. vol. vii. p. 201, 
1853. 
(114) Davipson, T. (Découverte de deux espéces nouvelles d’Obolus 
dans les couches siluriennes supérieures de l’Angleterre.) Bull. Soc. Géol. 
France, 2 sér. t. x. p. 389. 
(115) Juss, J.B. On the Geology of the South Staffordshire Coal- 
field. Journ. Geol. Soc. Dublin, vol. v. p. 114. 
(116) On the Occurrence of Caradoc Sandstone at Great Barr, 
South Staffordshire. Quart. Jowrn. Geol. Soc. vol. ix. p. 179. 
(117) Trimmer, J. On the Erratic Tertiaries bordering the Pennine 
_ Chain, Part 2, Quart. Journ. Geol. Soc. vol. ix. p. 352. 
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