327 



by the shedding of the deciduous molars before the Lut true molar* come into place, M shown 

 iu the present example, which by its lise appears to hare belonged to a female. 

 Prom South Australia. 



Pretexted by Governor Sir George Grey, C.B. 



1755. The skull of a somewhat older individual of the same species of Lagorckrttti. 



The permanent dentition is in place, and show* the rare variety of a luperaumerary molar 

 tooth on each side of the upper jaw, making the dentition, i |, e j, p J-^j, M jEj=32. 

 A portion of the jaw is removed above the right upper premolar, exposing its long fangs, and 

 the absence of any germ of a successor. 



Pretexted by Governor Sir George Grey, C.B. 



175G. The skull of a young individual of the same species of Lagorchettet. 



The deciduous molars are still retained, with the first and second true molars. The crown 

 of the premolar is expoaed on the right side of the upper jaw. 



Presented by Governor Sir George Grey, C.B. 

 The following detached bones are from the Moeropm major. 



1757. The atlas and dentata. 1758. The fifth and sixth cervical vertcbne. 



1759. Two dorsal vertebrae. 1760. Five lumbar vertebrae. 



1761. The ninth caudal vertebra. 1762. The left scapula. 



1763. The left radius, in longitudinal section. 



1764. The right carpus and metacarpus. 



1765. The pelvis, with the marsupial bones. 



1706. The left femur. 1767. The right femur, in longitudinal section. 



1768. The left tibia and fibula. 



1769. The right tibia and fibula, in longitudinal section, showing the distinction of 

 the two closely united bones. 



