420 Messrs. G. M. Mathews and Tom Iredale : 



Genus NESIERAX, 



Nesierax Oberliolser, Proc. Acad. Nat. Sci, Philad. 1899, 

 p. 203. 



Type (by original designation) : A^. novaseelandice (Gmelm) . 



Nesierax novseseelandiae (Gmelin). Quail Hawk. 



Falco novdeseelnndi(B Gmelin, Syst. Nat. 1788, p. 268 : 

 Queen Charlotte Sound, South Island. 



Synonyms : — 



Falco harpe Forster, Descr. Anim. ed. Liclit. 1844, p. 68: Queen 



Charlotte Sound, South Island. 

 Nesierax yiovcpzealandice Buller, Suppl. vol. ii. p. 58. 



Range: — Both Islands (breeding). 



Nesierax pottsi, sp. n. Bush Hawk. 



Synonyms : — 



FaJco hrunnea (not Bechstein, 1805) Gould, Sjnops. Birds Austr. 



pt. iii. 1838, p. 42: New Zealand. 

 Falco avstrrdis (not Gmelin, 1788) Hombron & Jacquiuot, Annal. 



Sci. Nat. Paris, 2nd ser. vol. xvi. 18il, p. 312: Otago, South 



Island. 

 Falco ferox (not Gmelin, 1788) Peale, U.S. Expl. Exped. 1848, 



p. 67 : Bay of Islands, North Island. 

 Nesierax australis Buller, Suppl. vol. ii. p. 59. 



Range : — Both Islands (breeding). 



Note : — Many good ornithologists have maintained that 

 two species of Nesierax inhabit New Zealand. We are 

 Tinable to settle the question, but find the presumed smaller 

 form to be nameless. In providing the above name we 

 select as t^^pe the smallest bird measured by us, which 

 fortunately comes from the North Island, viz. Paroah Bay, 

 and has a wing measurement of 230 mm. This small form 

 does not differ in coloration from A^. novceseelandia (Gmelin), 

 and if later investigation proves that the smaller species 

 is not existent, as we anticipate, we also suggest that 

 the North Island form will prove separable from the 

 South Island one and the name here given will then be 

 available for that. We have named the species to honour 



