File:Medical and physical researches, or, Original memoirs in medicine, surgery, physiology, geology, zoology, and comparative anatomy (1835) (14590051589).jpg

Identifier: 62720150R.nlm.nih.gov
Title: Medical and physical researches, or, Original memoirs in medicine, surgery, physiology, geology, zoology, and comparative anatomy
Year: 1835 (1830s)
Authors: Harlan, Richard, 1796-1843
Subjects: Medicine Natural History Paleontology
Publisher: Philadelphia : Printed by Lydia R. Bailey
Contributing Library: U.S. National Library of Medicine
Digitizing Sponsor: Open Knowledge Commons, U.S. National Library of Medicine

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ed a more extensivefield of observation, in the examination of the numerous and magnificent collec-tions in every department of natural science, both in Great Britain and in France.He has satisfied himself that the Missouri fossil (I. Missouriensis) must be arrang-ed as an extinct genus altogether new, characterized, more particularly, in thefragment in question, by the extreme length, breadth, and projection of the inter-maxillary bone, in which it presents a marked difference from any species of thegenus Ichthyosaurus, and approaches, in a slight degree, animals of the Batrachianorder. EXPLANATION OF THE PLATE. Fig. 1.—View of the superior surface of the anterior extremity ofthe snout of the Ichthyosaurus Missouriensis. Fig. 2.—The fractured surface of the same. Fig. 3.—Palatine surface of the same. Fig. 4.—Lateral view of the same, external surface. Fig. 5.—Internal lateral view of the anterior extremity of the in-ferior maxilla. Fig. 6.—Fractured extremity of the same.
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BASILOSAURUS OF ALABAMA. 349 Description of the remains of the (iBasilosaurus alarge fossil marine animal, recently discovered in thehorizontal limestone of Jllabama. In the Transactions of the American Philosophical So-ciety for 1834, will be found the description of an enor-mous fossil vertebra, presented to the Society by JudgeBree, from the i( marly banks of the Washita river,Arkansa territory. We there ventured to refer this bone tothe vertebra of a large extinct Saurian, of a nondescriptgenus, and proposed to name the animal provisionally Basilosaurus. Accompanying this vertebra, was a mass of the matrixwhich enveloped the fossil, and contained fossil shells,which Mr. Conrad referred to the genus Corbula, and toa species found plentifully in the Alabama tertiary depo-sits. Regarding our opinion then expressed, as to thegeological age of this marly deposit, our subsequent infor-mation furnishes no fact either to confirm or to disprove it. In the course of last autumn, Mr. Conrad

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