BIRDS OF NORTH AND MIDDLE AMERICA. 307 



E[urhinorhynchus] griseus Newton, Ibis, 1867, 235, footnote. 



Eu[rhinorhynchus] orientalis Bl'yth, Ann. and Mag. N. H., xiii, 1844, 179 (Edmon- 



stono Island, Bay of Bengal; based on Pearson, Asiat. Kesearch, xix, 69). 

 E[urhinorhynchus] orientalis Swinuoe, Ibis, 1867, 234 (crit.). 

 Eurhinorhynchus orientalis Newton, Ibis, 1867, 235, footnote. 



Genus CALIDRIS Illiger. 



Arenaria (not of Brisaon, 1760) Beciistein, Orn. Taschenb., ii, 1803, 462. (Type, 

 by monotypy, Tringa alba Pallas.) 



Calidns Illiger, Prodromus Orn., 1811, 249. (Type, by tautonymy and mono- 

 typy, Charadrius calidris Liniiseiia= Tringa alba TaWas.) 



Crocethia^ Billberg, S\Tiopsis Faunae Scand., i, pars. 2, 1828, tab. A and p. 132. 

 (New name for Calidris Illiger.) 



Medium-sized Eroliinje (^ving 113-127) without any hallux. Bill 

 about as long as head, straight, tapering in hiteral profile, contracted 

 in middle portion and slightly expanded terminally in vertical profile^ 

 the exposed culmcn about as long as or slightly longer than tarsus^ 

 less than one-fifth as long as wing; nasal groove broad basall}^, 

 gradually contracted terminally, extending about three-fourths the 

 distance to tip of maxilla; mandible with a narrow and rather 

 indistinct lateral groove; nostril sub-basal, longitudinally linear; 

 malar antia much in advance of loral antia (about on vertical line with 

 posterior end of nostril), the mental antia much farther forward 

 (on vertical line with middle of nostril) ; margin of frontal feathering 

 forming a V-shaped line at base of culmen. Wing rather long, 

 pointed, the longest primary (outermost) exceeding distal secondaries 

 by more than half the length of wing, the elongated tapering tertials 

 falling far short of tip of longest primaiy. Tail about two-fifths as 

 long as wing, truncate or faintly double-emarginate, the middle pair 

 of rectrices longest, subacuminate; rectrices 12. Tarsus nearly to 

 quite as long as exposed culmen, about one-fourth longer than 

 middle toe with claw, less than one-fifth as long as wing, continu- 

 f>uslv scutellate anteriorly and for upper two-thirds (approximately) 

 posteriorly; bare portion of tibia about half as long as middle too 

 without claw, partly scutellate before and behind; lateral toes 

 decidedly shorter than middle toe, the outer shghtly longer than the 

 inner; all the toes with rather wide, distinctly serrated, lateral mar- 

 gins, and both interdigital spaces completely cleft; hallux absent. 



»" . . graecis vocis kpokti litus et deiu curro, derivatum adoptavimus." (Billberg.) 



