cover image: Memoirs of the Geological Survey of India  Paleontologia Indica  Figures and Descriptions of the Organic Remains Procured During the Progress of the Geological Survey of India

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Memoirs of the Geological Survey of India Paleontologia Indica Figures and Descriptions of the Organic Remains Procured During the Progress of the Geological Survey of India

1865

It is the fore part of the snout, between the orbits and nostrils, of a Labyrinthodont, the upper surface of which presents the characteristic sculpture and the mucous canals' of that group of Amphibia : while the lower face exhibits, in front, the posterior boundaries of the posterior nares ; behind, the anterior boundaries of the great posterior palatine apertures ; and at the sides, the double [...] In the present specimen, on the other hand, the outer wall of the ramus swells out, suddenly, just behind the level of the articular cavity, and the upper edge of the supra-angular process is, as it were, bent in by the develop- ment of this projection (figs. [...] The upper part of the process thus forms a trihedral pillar, the front edge of which curves upwards and forwards to the under surface of the pre-zygapo- physis, while the posterior edge sweeps upwards and backwards, along the sides of the neural arch, to become continuous with the outer margin of the post- zygapo- physis. [...] The posterior leg of the (11) answers to the hinder part of the curved ridge seen on the sides of the cervical vertebra. [...] The details of the structure of the dorsal vertebrae of Protorosaurus have not yet been satisfactorily made out ; but, in Iguanodon, the capitular costal process of the dorsal vertebrae becomes vertically elongated in the same way ; the root of the"FROM THE PANCHET ROCKS.
technology medicine science
Pages
39
Published in
India
SARF Document ID
sarf.100011
Segment Pages Author Actions
Frontmatter
1-2 Thomas Oldham view
On a Collection of Vertebrate Fossils from the Panchet Rocks Ranigunj Bengal
3-24 Thomas Oldham view
On the Manner of Occurrence of the Reptilian Remains Found in the Panchet Beds of the Raniganj Coal-field and on the Probable Conditions Existing at the time when these Rocks were Deposited
i-xv William Blanford view

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