OCR Text |
Show 1901.] LEMUR MONGOZ AND L. RUBRIVENTER. 257 characteristic feature to the skull of Lemur mongoz, are so peculiar in this and the following species (Lemur rubriventer) that, in order to understand them, some general considerations must precede their description. Text-fig. 63. Left orbital region of Lepidolemur mnstelinus, | nat. swe, (Letters as in text-fig. 61.) Text-fig. 64. Lepidolemur mnstelinus. Same specimen as fig. 63. The bones forming the roof of the sinus have been removed, in order to exhibit its floor. mt. =basal plate of maxillo-turbinal; other letters as in text-fig. 61. It has been stated that in the "Common Lemur"-whereby I take the genus Lemur to be implied-" the os planum of the ethmo-turbinal does not enter into the inner wall of the orbit, but is shut out from it by the maxilla, as in most inferior Mammals " '. At this Society's meeting on February 19th, I showed that in 1 W. H. Flower, An Introduction to the Osteology of the Mammalia, 3rd ed., p. 166 (1885). |