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By a. RENDLE SHORT, B.Sc. 
Bibliography 
i “ Observations on the Earths, Rocks, Stones and Minerals 
for some miles about Bristol.” Owen, 1754. 
II “ Geology of East Somerset” {Geol. Surv. Mem.). H. B. 
Woodward. 
III Geological Magazine, 1892, p. 110. H. B. Woodv/ard. 
IV Jurassic Eocks of Britain, vol. v. p. 230. H. B. Woodward. 
V Geological Magazine, 1899, p. 77. H. B. Woodward. 
VI Q. J. G. S., 1894, p. 393, Beeby Thompson. 
CONTENTS 
A. General Description op the Gotham Marble. 
B. Previoits Theories as to its Mode op Origin. 
C. A New Theory. 
A. General Description. 
‘HIS rock occurs in irregular lenticular patches 
X varying from one to twelve or more inches 
in thickness, from Bristol to Uplyme, in Devon, reaching 
the coast between Axmouth and Lyme Regis. The 
patches are usually only a few feet in length, but stone 
of similar texture, without the characteristic arborescent 
1 This communication is a short abstract of a rather lengthy essay, 
and the condensation that is necessary must be my apology for its 
baldness. 
135 
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