Zoological Society. 445 fore the lovers of natural history so large and valuable a collection of materials. Too much praise cannot be awarded to the wood engraver, as we have never seen more perfect or beautiful specimens of this art than many of the illustrations of the present work. It is intended to be completed in ten or twelve parts, of which the seventh may be early expected. PROCEEDINGS OF LEARNED SOCIETIES. ZOOLOGICAL SOCIETY. October 23, 1838.— William Yarrell, Esq., in the Chair. A letter was read from M. Julien Desjardins, Secretary of the Natural History Society of the Mauritius, stating that it was his in-tention to leave that island on the 1st of Januaiy next, for England, with a large collection of objects in natural history, many of which he intended for the Society. A letter from Colonel P. Campbell, Her Majesty's Consul General and Agent at Alexandria, was also read. In this letter Col. P. Campbell states that he had not yet succeeded in gaining any further information respecting the pro-bability of procuring some White Elephants for the menagerie. A letter received from Lieut. -Colonel Doherty, Governor of Sierra Leone, stated, that he was using every exertion to procure for the Society a male and 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. Some specimens of Flying Lemurs {Galeopithecus) were upon the table, and in reference to them Mr. Waterhouse stated that kis ob-ject in bringing them before the Meeting was to notice certain cha-racters which appeared to him to indicate the existence of two spe-cies in these specimens. He remarked that in systematic works three species of the genus Galeopithecus are described, founded upon dif-ferences of size and colour ; as regards the latter character, he had never seen two specimens which precisely agreed ; and with respect to size, the dimensions given of two out of the three species are evi-dently taken from extremely young animals. Mr. Waterhouse then proceeded to point out the distinctive characters of the two species on the table, for which he proposed the specific names of Temminckii and Phillippinensis ; of these two the first is the larger species, mea-suring about two feet in total length, and having a skull two inches
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