114 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



(?) Eudromias vnlsoni Reiser, Denkschr. Mat. -Nat. Kl. K. Ak. Wiss. Wien, Lxxvi, 



1910, 94 (coast of Piehy, n. e. Brazil, Sept. 14). 

 Ochthodromus vnlsoni Sharpe, Cat. Birds Brit. Mus., xxiv, 1896, 214, 739, part 



(Carupano and Cumana, Venezuela; Oyapoc River, Cayenne?). 

 [Ochthodromus] wilsoni Sharpe, Hand-list, i, 1899, 153, part.^FoRBES and 



Robinson, Bull. Liverp. Mus., ii, 1899, 66, part (Cumana, Venezuela). 

 Ochthodrovius ivilsonius rufinuchus (not Mgialitis wilsonius var. rufinucha Ridg- 



way, 1874) Ridgway, Proc. U. S. Nat. Mus., vii, July 29, 1884, 177 (Sabanilla, 



Colombia, March). — Lowe, Ibis, 1907, 552 (Margarita Island, Venezuela). — 



Cory, Pub. 137, Field Mus. N. H., 1909, 197 (Aruba, Dutch West Indies), 214 



(Isla des Aves), 238 (Margarita Island). 

 Ochthodromus wilsonia rufinucha Hellmayr, Novit. Zool., xiii, 1906, 53 (Seelet, 



Trinidad; crit.). 

 A[egialitis] wilsonia rufinucha Ridgway, Man. N. Am. Birds, 1887, 175, part. 

 ^gialitis wilsonia rufinucha Robinson, Proc. U. S. Nat. Mus., xviii, 1896,656 



(Margarita Island). 

 Aegialitis wilsonius rufinucha Hartert, Novit. Zool., ix, 1902, 307 (Aruba and 



Bonaire, Dutch West Indies). 

 JSgialitis rufinucha ILahtert, Ibis, 1893, 307 (Aruba; Bonaire; crit.), 335 (Bonaire). 



Genus CHARADRIUS Linnaeus. 



Charadrius Linn^us, Syst. Nat., ed. 10, i, 1758, 150. (Type, by tautonymy, 



Charadrius hiaticula Linnaeus.) 

 Aegialitis Boie, Isis, 1822, 558. (Type, as designated by Gray, 1855, Charadrius 



hiaticula Linnaeus.) 

 Aegialites (emendation) Boie, Isis, 1826, 978. 

 Acgialcus Reichenbach, Syst. Avium, 1853, p. xviii. (Type, by monotypy, 



Charadrius semipalviatus Bonaparte.) 

 Leucopolius Bonaparte, Compt. Rend., xliii, 1856, 417. (Type, by tautonymy, 



Charadrius leucopolius Wagler=C marginatus Vieillot.) 

 Cirrepidesmus Bonaparte, Compt. Rend., xliii, 1856, 417. (Type, by tautonymy, 



Charadrius cirrhepidesmos Wagler=C. mongolus Pallas.) 

 Hiaticula Gray, List Gen. Birds, 1840, 85. (Type, by tautonymy, Charadrius 



hiaticula Linnaeus.) 

 ^gialophilus Gould, Handb. Birds of Australia, ii, 1865, 234. (Type, by original 



designation, Charadrius cantianus Latham.) 



Small to very small Charadriidse (wing 90-153 mm.) with tail much 

 less than half as long as wing, tarsus not more (usually much less) 

 than twice as long as middle toe without claw, and culmen less than 

 one-sixth as long as wing and less than two-thirds as long as tarsus, 

 the bill slender or small. 



Bill relatively small, slender, or else very short; exposed culmen 

 very slightly if at all longer than middle toe without claw, usually 

 equal to same or shorter, the greatest depth of bill equal to less than 

 one-fourth to more than one-third the length of culmen; arched 

 terminal portion of culmen usually shorter than depressed basal 

 portion, rarely longer; gonys as long as, longer than, or shorter than 

 mandibular rami. Wing long and pointed, the longest primary 

 (outermost) exceeding distal secondaries by about one-half length of 

 wing. Tail not more (usually less) than half as long as wing, truncate 

 to distinctly rounded, the middle pair of rec trices usually projecting 

 slightly beyond next pair. Tarsus one and a half times to twice as 



