238 MAESUPIALIA. 



of the family, the length of the entire cranium being estimated at 

 sixteen inches. 



Hah. Victoria, Queensland, and New South Wales. 



46316. The anterior portion of the cranium, showing the alveoli of 

 {Fig.) the incisors and the five cheek-teeth in an imperfect con- 

 dition ; from the Pleistocene of Victoria. This specimen 

 is the type, and is figured by Owen in the * Phil. Trans.' 

 1874, pis. Ixxxi., Ixxxii., Ixxxiii., and 1876, pi. xx. ; as 

 well as in the 'Extinct Mammals of Australia,' pi. xcvii. 

 fig. 1. It was discovered in 1851 by Dr. L. Becker, by 

 whom it was sent to Dr. Kaup. 



Presented by Sir B. Owen, K. C.B. 



M. 2573. Cast of the palatal region of the cranium, showing the 

 five cheek-teeth of either side. The original was obtained 

 from a cave in the Wellington Valley, N^ew South Wales, 

 and is preserved in the Australian Museum, Sydney. The 

 specimen, which is labelled Macropus ajax in Sir R. 

 Owen's writing, presents no characters by which it can be 

 distinguished from the type. 



Presented hy Prof. Ramsay, 1885. 



40034. Two portions of the mandibular rami of one individual ; 



{Fig.) from the Pleistocene of Darling Downs, Queensland. The 

 right ramus, which shows the entire first three true molars 

 and the anterior lobe of the fourth, is figured by Owen in 

 the ' Phil. Trans.' 1876, pi. xix. figs. 1-4, and the left 

 ramusj in which m. 2 remains, in figs. 5-8 of the same 

 plate ; all the figures being reproduced in pi. cvi. of the 

 ' Extinct Mammals of Australia.' 



Presented hy Sir D. Cooper^ Bart.^ 1866. 



M. 34. The greater portion of the mandible of a large individual ; 



{Fig.) from Queensland. On the left side the four true molars, 

 and on the right side the last three teeth of that series are 

 shown. This specimen is the type of P. crassus, the 

 right ramus being figured by Owen in the ' Trans. Zool. 

 Soc' vol. xi. pi. X. under that name. In the left ramus 

 the four teeth are in their normal position ; but in the 

 right it appears that m. 3 and m. 4 have changed places, 

 and it was from considering the teeth occupying the places 

 of ^^ and mTl as really being these teeth, that Owen' 

 was mainly led to specifically distinguish the specimen 

 from P. azael. Presented hy Dr. George Bennett, 1879. 



