162 



PEOFESSOE OWEN ON THE GEXFS DINOEMS. 



The musculai' system, as has been shown in Apteryx, is correspondingly developed ^ ; 

 and when, to the proportionably still more powerful neck-muscles in Dinornis, were 

 added their thick integument and covering of feathers, the neck must have been a 

 feature of strength very different from the slender character of that lengthy part in an 

 Ostrich and the like lining birds. 



FIFTEENTH VERTEBRA, Dinornis gic/anieus (| nat. size). 

 Fig. 22. Fig. 23. 



Fig. 24. 



Aspects. 

 Fig. 22, lateral; 23, neural; 24, hfemal. 



This consideration adds significance to the record of one of the oldest living colo- 

 nists in NeAv Zealand, recently published. 



' Trans. Zool. Soc. vol. iii.p. 288 et seq. pis. 31-35. 



