26. OCHTHODROMUS. 211 



a . A collar of ashy brown across the fore-neck or 

 lower throat. 

 a" . Wing exceediug 5 inches. 



a'". Feet dark brown; collar confined to 

 throat and very narrow ; quill-lining 



distinctly white obscurus, p. 211. 



b'" . Feet lighter and more yellowish brown ; 

 lower throat, fore-neck, and chest ashy 

 grey ; quill-lining dark, dull ashy .... asiaticus, p. 230. 

 b". Wing less than 5 inches. 



c'". Feet yellow ; collar on fore-neck well- 

 defined ; bill very stout wilsoni, p. 214. 



d'". Feet dark ; collar ill-defined on fore- 

 neck ; bill slender. 

 «\ Central upper tail-coverts dark brown, 

 not tipped with white; lateral upper 

 tail-coverts tipped or edged with white, 



not conspicuous bicinctus, p. 212. 



b 4 . Central upper tail-coverts tipped with 

 white; lateral upper tail -coverts 



entirely white pyrrhothorax, p. 226. 



b'. Xo complete collar across the fore-neck, which 

 is white like the rest of the under surface ; 

 sides of chest with a brown patch. 



c". Larger : culmen 1 inch geoffroyi, p. 217. 



d". Smaller : culmen - 75 inch mongolus, p. 223. 



b. Axillaries, under wing-coverts, and quill-lining 



smoky brown veredus, p. 232. 



1. Ochthodromus obscurus. 



Dusky Plover, Lath. Gen. Syn. iii. pt. 1, p. 208 (1785: Dusky 



Bay, N. Z.). 

 Charadrius obscurus, Gm. Syst. Nat. i. p. 686 (1788) ; Vieill. N. 



Diet. d'Hist. Nat. xxvii. p. 143 (1818: New Zealand); Wagl. 



Syst. Av., Charadrius, p. 68, sp. 35 (1827) ; Gray in Dieffenb. 



frar. N. Zeal. ii. App. p. 195 (1843) ; id. List Grail. Brit. Mm. 



p. 67 (1844: Mount Egmont, N. Z.); id. Voy.Ereb. $ Terr., 



Birds, p. 11, pi. ix (1846: Waikonati, Sept.); id. Gen. B. iii. 



p. 544 (1847); Reiche?ib. Grail, tab. cv. fig. 1068 (1851): Gray, 



Ibis, 1862, p. 234; Potts, Trans. New Zeal. Inst. ii. p. 68 (1870 : 



Dog Range, Ashburton distr., breeding); Gray. Hand-l. B. iii. 



p. 14, no. 9988 (1871); Finsch, J. f. O. 1872, p. 168 (N. Z.) ; 



Ilulicr, B. New Zeal. p. 208 (1873 : Mountains of New Zealand) ; 



Finsch, J. f. O. 1874, p. 193; Sharpe, Voy.Ereb. Sf Terr., Birds, 



App. p. 29 (1875); Seebohm, Geogr. Distr. Charadr. p. 151, pi. vi. 



(1888); Buller, B. New Zeal. 2nd ed. ii. p. 1, pi. xxv. fig. 1 



(1888). 

 Charadrius glareola, Licht. ed. Forster, Descr. Anim. p. 109 (1844). 

 Pluviorhvnchus obscurus, Bp. C. R. xliii. p. 417 (1856). 

 Hvetoeervx obscurus, Heine §■ Reichen. Nomencl. Mus. Hein. p. 336 



"(1890:* New Zealand; New Ireland). 



Adult in hreeding-plumar/e. General colour above brown, with a 

 slight greenish gloss, most of the feathers with rufous margins ; the 

 head like the back ; the hind-neck only slightly paler ; rump and 



