CERTHIAD.E. 



12; 



SUB-FAMILY VI. 

 Orthoxycix.e. * The Mohouas. 



Gen. Charac— Toes long and very strong, tlie outer toe nearly as long as the 

 middle one, and united slightly at the base, the hind toe moderate and very 

 strong ; the claws remarkably long, strong, slightly curved, and acute. 



^f^ 



1 l|t« 



FiCV. 50. — THE YELLOW-HEADED ORTttONYX. 



( OHkoityx ockrocepkalug. ) 



Tliis sub-family embraces a small group of birds 

 found in the islands of the South Seas, and also in 

 New Zealand. Like the true Creepers, they are 

 usually seen running upon the trunks of trees, 

 searching for their subsistence, which chiefly consists 



* 6p96g, orthos, straight ; ovv^^ onyx, a claw ; Straight-clawed. 



