Remains of Extinct Kangaroo. 143 



It is therefoi-e not probable that the fossil kangaroo is a 

 Macropus giganteus. The Great Red Kangaroo {M. rufus, Desm.) 

 is somewhat larger than the Great Grey Kangaroo. Lydekker 

 gives the following measurements of the two species.^ 



The large pelvis in the National Museum may belong to Af. 

 riifus. But these measurements, as well as those of the skeleton 

 given by Owen, show that M. rufus, the largest of living 

 kangaroos, was much smaller than the fossil. 



We must, therefore, turn to the great extinct kangaroos for 

 comparison with the Fowler's Cove fossil. 



From the general resemblance of the pelvis to that of 

 Macropus giganteus it is natural first to compare the specimen 

 with AI. titan. Owen. This species is admittedly a close ally of 

 M. giganteus and it has been suggested may be only a variety 

 thereof. Its size was not much greater than that of even M. 

 rufus. Owen's figures and measurements show the relative sizes 

 •of the two species. Thus the width of the distal end of the 

 femur is 72 mm. in M. titan^" and 62 mm. in M. rufus.^ Compar- 

 ing the dentition, the length of the last molar in M. rufus is 

 ■shewn by Owen's figure to be 15'5 mm.; that of M. titafi is 

 27 mm. The length of the last four upper molai-s is 50 mm. in 

 AT. r7{fus,^ 59 mm. in M. titan.^ Hence M. titan did not exceed 

 M. ncfus by nearly as much as this fossil did. 



Owen has figured*^ part of an innominate, which he referred to 

 Palorchesies azael. The measurements are given in the fourth 

 • column on p. 142. They show that the Fowler's Cove fossil is 

 ■even lai'ger than in the giant Falorchestes. The cliaracters of the 

 innominates however, so far as the data are comparalJle, agree so 

 ■closely that they no doubt belong to the same species. 



1 Lydekker. Handbook to the Marsupialia and Monotremata (1896), pp. 15, 23. 



- Owen. On the Fossil Mammals of Australia, pt. x. Phil. Trans, vol. clxvi. (1876), pi. 

 jcxvii. 



3 Ihid., p. 203. 



■* Owen. On the Fossil Mammals of Australia, pt. viii. Phil. Trans., vol. clxiv. (1874), 

 j)l. xxi. fig. 2. 



5 Ibid, pi. xxi., fig. 1. 



6 Owen, op. eit. (1876), pi. xxii. 



