PROCEEDINGS OF SOCIETIES. 
149 
mammiferous character. Mr. Owen had examined four specimens, of which one 
is in the Museum at York, another in the collection of Mr. Broderip, and the 
other two in the possession of Dr. Buckland. The double fangs to the molar 
teeth, and the ramus of the jaw being formed of a single bone, Mr. Owen thought 
sufficiently attested the mammiferous nature of these remains; while minor 
anatomical characters led him to regard them as belonging to a marsupial genus. 
Mr. Martin read a paper, in which he described a peculiarity in the dentition 
of two species of the genus Certhopithecus , and illustrated his views by the exhi¬ 
bition of several crania in the Society’s possession.—Lastly, a letter was read, by 
Mr. Owen, from Drury Onley, Esq., of Exeter, calling the attention of the 
Society to some points of interest in the anatomy of the Coypou. 
Oct . 23.—Mr. Yarrell in the chair.—Letters were read from the following 
Corresponding Members of the Society. M. Julian Desjardins, Secretary of 
the Natural History Society of Mauritius, stating that it was his intention to 
leave that island on the 1st of January next, for England, with a large collection 
of objects in Natural History, many of which he intended for the Society. 
•—From Col. P. Campbell, dated Alexandria, to the effect that he had not yet 
succeeded in gaining any further information respecting the possibility of pro¬ 
curing some white Elephants for the menagerie in the Regent’s Park.—From 
Lieut.-Col. Doherty, Governor of Sierra Leone, stating that he was using every 
exertion to procure for the Society a male and a female Chimpanzee, in which 
attempt he fully expected to be successful, but he feared that he should not be 
able to obtain a living specimen of the Hippopotamus, from the superstitious 
dread with which the natives regard these animals. 
Mr. Owen concluded his treatise upon the osteology of Marsupialia , the 
reading of which he had commenced at the previous meeting. His paper 
embraces the details of the entire skeleton, with a description of the various 
modifications which it assumes in different marsupial genera. Mr. Owen 
remarked, that when Major Mitchell first submitted to his inspection the fossil 
marsupial bones discovered by that gentleman in Australia, he was unable to 
speak with confidence upon their probable affinities; and that for his own satis¬ 
faction, and with a view of assisting the subsequent researches of naturalists in 
that portion of the globe, he had entered upon the examination of all the accessible 
skeletons of marsupial genera, for the purpose of drawing up a complete history 
of their comparative osteology. 
Mr. Waterhouse exhibited the skulls of several^ specimens’ of the. genus 
Galeopithecus , for the purpose of pointing out certain osteological peculiarities, 
which he thought of material importance in determining their specific characters. 
Mr. Blyth read a paper “ On the Dentition of the Lemurs, in which he 
endeavoured to explain a supposed anomaly in their dental formula, by regarding 
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