BIRDS OF NORTH AND MIDDLE AMERICA. 807 
E{urhinorhynchus] griseus Newton, Ibis, 1867, 235, footnote. 
Eufrhinorhynchus] orientalis Buyta, Ann. and Mag. N. H., xiii, 1844, 179 (Edmon- 
stone Island, Bay of Bengal; based on Pearson, Asiat. Research, xix, 69). 
Efurhinorhynchus] orientalis Swinnoe, Ibis, 1867, 234 (crit.). 
Eurhinorhynchus orientalis Newton, Ibis, 1867, 235, footnote. 
Genus CALIDRIS Illiger. 
Arenaria (not of Brisson, 1760) BecustE1n, Orn. Taschenb., ii, 1803, 462. (Type, 
by monotypy, Tringa alba Pallas.) 
Calidris Int1gER, Prodromus Orn., 1811, 249. (Type, by tautonymy and mono- 
typy, Charadrius calidris Linneus=Tringa alba Pallas.) 
Crocethia? BritBERG, Synopsis Faunae Scand.,i, pars. 2, 1828, tab. A and p. 132. 
(New name for Calidris Iliger.) 
Medium-sized Eroliine (wing 113-127) without any hallux. Bill 
‘bout as long as head, straight, tapering in lateral profile, contracted 
n middle portion and slightly expanded terminally in vertical profile, 
he exposed culmen about as long as or slightly longer than tarsus, 
ess than one-fifth as long as wing; nasal groove broad basally, 
rradually contracted terminally, extending about three-fourths the 
listance to tip of maxilla; mandible with a narrow and rather 
ndistinct lateral groove; nostril sub-basal, longitudinally linear; 
nalar antia much in advance of loral antia (about on vertical line with 
yosterior end of nostril), the mental antia much farther forward 
on vertical line with middle of nostril); margin of frontal feathering 
orming a V-shaped line at base of culmen. Wing rather long, 
vointed, the longest primary (outermost) exceeding distal secondaries 
»y more than half the length of wing, the elongated tapering tertials 
alling far short of tip of longest primary. Tail about two-fifths as 
ong as wing, truncate or faintly double-emarginate, the middle pair 
f rectrices longest, subacuminate; rectrices 12. Tarsus nearly to 
juite as long as exposed culmen, about one-fourth longer than 
niddle toe with claw, less than one-fifth as long as wing, continu- 
‘uslv scutellate anteriorly and for upper two-thirds (approximately) 
vosteriorly; bare portion of tibia about half as long as middle toe 
vithout claw, partly scutellate before and behind; lateral toes 
lecidedly shorter than middle toe, the outer slightly longer than the 
aner; all the toes with rather wide, distinctly serrated, lateral mar- 
ins, and both interdigital spaces completely cleft; hallux absent. 
a“. graecis vocis xpoxn litus et dew curro, derivatum adoptavimus.”’ (Billberg.) 
