222 MAESUPIALIA. 



young individual, showing the incisor, pm. 3, mm. 4, and 

 m. 1 in use, and pmTi in alveolo ; from the same locality. 

 Presented by the Trustees of the Australian Museum, 1876. 



42664. Fragment of the left ramus of the mandible of a young in- 

 dividual, showing the incisor and pm. 3 ; from the same 

 locality. Same history. 



42660 a. Fragment of the left ramus of the mandible, containing 

 the first three cheek-teeth ; from the same locality. 



Same history. 



Some or all of the following specimens prohahly belong to this 

 species ; all are from the Wellington Valley. 



42668. The imperfect right humerus. Same history. 



42669. The proximal half of the left ulna. Same history. 



42595. The imperfect right innominate. Same history. 



32321. Two specimens of the femur. Purchased, 1857. 



43939. Eight specimens of the calcaneum. 



Presented by the Trustees of the Australian Museum, 1870. 



43927. Three specimens of the fourth metatarsal. Same history. 



Platropu^ robui^tu^g, Gould \ 



Syn. Petrogale robusta, Gould ^. 

 Osphranter robustus, Gray ^. 



In this species, which is one of the largest existing Kangaroos, 

 the upper true molars (as in all the preceding species) have no 

 longitudinal bridge between the anterior ridge and talon ; pm. 4 is 

 shorter than m. 1 ; pm. 4, which has a simple secant crown, is fre- 

 quently shed in old individuals ; the alveolar border of the mandibular 

 diastema descends rapidly in advance of the last-named tooth ; and 

 i- 3 is of moderate length. M. erubescens, Sclater, cannot be palieon- 

 tologically separated from this species. The molars in this and the 

 following species are more elongated and somewhat more complex 

 than in all the preceding forms. 



Hab. New South Wales and Queensland. 



50065. The palatal region of a nearly adult individual; from the Pleis- 

 tocene of Gowric, Queensland. All the cheek-teeth are 



^ Proc. Zool. Soc. 1840, p. 92. 



'•^ Monograph of Macropodida), pi. v. (1841). 



'•^ List Spec. Mamm. Brit. Mus. p. 91 (1843). 



