aLOCID. 9 
a’, Inner claw not obviously different in size or shape from the others; corner of 
mouth without thickened naked skin or “ rosette.” 
b. Angle of chin much nearer to nostril than to tip of bill. 
c’. Nostrils exposed, overhung by a more or less distinct horny scale, and 
feathers of lores never reaching to anterior end of nostrils; second- 
aries without white tips. (Subfamily Phalerine.) 
d', Gonys occupying more than half the total length of the lower 
mandible, or else tip of upper mandible not abruptly decurved 
from a long, straight culmen. 
e'. Distance from anterior border of nasal hollow to nearest loral 
feathers equal to one half or more than one half the dis- 
tance from the same point to the tip of the bill. (Phaleree.) 
fi. Bill about as long as the head (culmen about 1.00); wing 
more than 6.50.....ccceeee Cerorhinca. (Page 11.) 
f?. Bill much shorter than head (culmen less than .75) ; wing 
less than 6.50. 
g'. Upper mandible broader than deep at base; culmen 
nearly straight. (Wing about 5.00.) 
Ptychoramphus. (Page 12.) 
g’. Upper mandible higher than broad at base; culmen 
decidedly curved. 
i}. Lower mandible very narrow, strongly and very 
regularly recurved, the tip acute; edge of 
upper mandible very regularly convex. (Wing 
5.25-6.00.)....... Cyclorrhynchus. (Page 12.) 
i?. Lower mandible more than half as deep as the 
upper, not recurved, or else tip not acute; 
upper mandible with edge nearly straight or 
else not regularly convex. (Wing 5.25 or 
leSS.).....cceeeceee Simorhynchus. (Page 12.) 
é. Distance from anterior border of nasal hollow to nearest loral 
feathers equal to not more than one-fourth the distance 
from the same point to the tip of the bill. (Brachyramphee.) 
fi. Tarsi scutellate in front, much longer than the horny 
portion of the commissure. 
Synthliboramphus. (Page 13.) 
f?. Tarsi reticulate in front, not longer than horny portion of 
commissure............... Brachyramphus. (Page 14.) 
d?. Gonys occupying less than half the total length of the lower man- 
dible; culmen straight to near the tip, where abruptly decurved. 
(Cepphee.) 
Loral feathers forming an acute angle. (Wing 6.50-7.50 ; 
culmen 1.00 Or MOTE.)....ceeeeeeeereee Cepphus. (Page 16.) 
@. Nostrils completely concealed or enclosed within a dense, velvety 
feathering, which extends from the lores to or beyond their an- 
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