168 



PROCEEDINGS 



OF 



THE GEOLOGICAL SOCIETY. 



POSTPONED PAPERS. 



On some OuTLorE-DEAWiNGS and PnoToanAPHS of the Skull of the 



Zygomaturus trilobus, Madeay (Nototherium, Owen?). 



By Professor Owen, F.R.S., F.G.S., &c. 



[Read March 10th*, 1858.] 



[Platest VII. and Till.] 



SiE E. I. MuECHisoisr placed in my hands a few days ago seven pho- 

 tographs, three of which are stereoscopic, of, perhaps, the most 

 extraordinary mammalian fossil yet discovered in Australia. 



These photographs, with a brief printed notice of their subject by 

 Wm. Sharpe Macleay, Esq., P.R.S., and some MS. notes by J. D. 

 Macdonald, M.D., E.IST., had been transmitted to Sir Roderick by his 

 Excellency the Governor Sir W. Denison, from Sydney, New South 

 Wales ; and it is by the desire of Sir Roderick Murchison that I now 

 bring the subject under the notice of the Geological Society of Lon- 

 don, to whom Sir Roderick desires to present the Photographs, on the 

 part of His Excellency, Sir Wm. Denison. 



I had, some weeks previously, received from my friend and cor- 

 respondent, George Bennett, Esq., E.L.S., of Sydney, New South 

 Wales, the accompanying outlines of the same fossil skull, made by 

 him on the reception of the specimen by the authorities of the 

 Australian Museum at Sydney, and I had penned notes of my com- 

 parisons of these sketches before receiving the photographs and 

 descriptions of the fossil skull from Sir Roderick I. Murchison. 



Mr. Macleay 's description appears in a Report on ^' Donations to 

 the Australian Museum during August, 1857," publishedin a Sydney 

 newspaper of about the same date. It is as follows : — 



" Fossil Skull of a new marsupial animal, which bears a nearer approach to 



* For the other Communications read at this Evening-meeting, see Quart. 

 Journ. Geol. Soc. vol. xiv. p. 533 et seq. 



t In Plate VII. the skull under description is figiired, on a reduced scale, 

 from casts received at the British Museum since the reading of this paper. See 

 further on p. 176. 



