BIBLIOGRAPHY 
3SS 
Letter ‘ On the Track of a Quadruped imprinted on Lower 
Silurian Sandstone, from Beauharnois, 20 miles above Montreal 
(Chelonian).’ Quart. Journ. GeoL Soc. vii. 1851, p. Ixxv. 
On Metamorphosis and hfetagenesis. Proc. Roy. Inst. i. 1851, 
pp. 9-16. 
On New Fossil Mammalia from the Eocene Freshwater Formation 
at Hordwell, Hants. Rep. Brit. Assoc. 1851, pt. 2, p. 67. 
On the Megatherium {Megatherium americanum, Blumenbach). 
Part 1. Preliminary Observations on the Exogenous Processes 
of Vertebne. Phil. Trans. 1851, pp. 719 764, pis. xliv-liii. 
Monograph on the Fossil Reptilia of the Cretaceous Formations. 
Pt. I, Chelonia (Lacertili.a, &c.), pp. i -ii8, pis. i-x.xxvii, vii. a, 
and ix. A. Pal. Soc. v. 1851. 
Synopsis of the Hunterian Lectures on Comparative Osteology. 
Edinb. New Phil. Journ. 1. 1851, pp. 329-334. 
Comparison of the Modification of the Osseous Structure in the 
Megatherium with that in the other known existing and ex- 
tinct Species of the class Mammalia. Edinb. New Phil. Jotirn. 
li. 1851, pp. 350-356. [Extract Roxa. Phil. Trans.] 
Review of Lyell’s ‘ Principles of Geology,’ 8th ed. ; ‘ Manual of Ele- 
mentary Geology,’ 3rd ed. ; and ‘ Anniversary Address to the 
Geological Society, 1851.’ Quarterly Review, Ixxxix. 1851. 
1852 
Descriptive and Illustrated Catalogue of the Physiological Series of 
Comparative Anatomy contained in the Museum of the Royal 
College of Surgeons. Vol. i. Including the Organs of Motion 
and Digestion. 2nd ed. 4to, London, 1852, 276 pp., 13 pis. 
On the Raw Materials from the Animal Kingdom. Lecture on the 
Results of the Great Exhibition of 1851, delivered before the 
Society of Arts. No. 3, vol. i. pp. 75-132, 8vo, London, 1852. 
On the Anatomy of the Wart Hog {Phacocharus Pallasii, Van der 
Hoeven). Proc. Zool. Soc. xix. 1852, pp. 63-69. 
Description of the Impressions and Footprints of the Protichnites 
from the Potsdam Sandstone of Canada. Quart. Jotmt. Geol. 
Soc. viii. 1852, pp. 214-225, pis. ix-xiv. A. 
Note on the Crocodilian Remains accompanying Dr. T. L. Bell’s 
paper on Kotah. Quart. Journ, Geol. Soc. viii. 1852, p. 233. 
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