THE BIRDS OF SOUTH-WEST AND PENINSULAR SIAM. 



55 



,o|Toes nmrkedly webbed 



I Toes i)iacticiilly free to the base 



20' 



Bill Ifiiif,', much exceeding the tail 



I Hill moderate, not much if at all exceeding the tail 



„, jBill strongly curved . . 

 I Bill almost straight . . 



rtrt /Smaller; top of head with a single median stripe 

 I Larger ; top of head much striped 



Nitiiicniiis pli. i)h(e<*i>H>i. 

 . Nniitcnins a. lineatus. 



ty.. I Bill widened and pitted at the tip 

 (Bill not widened or pitted at the tip 



f, , / TaiJ barred 

 ( Tail not barred 



q/rjBill from gape not less than the tarsus or only slightly less 

 ( Bill from gape less than tarsus 



„/. jBill straight or slightly curved downwards 

 ( Bill curved upwards 



ty„ (Tarsus much longer than middle toe and claw 



(Tarsus equal to, or shorter than, middle toe and claw . . 



„^ (Wing over 5 inches; rump white 



jWing under 5 inches ; rump like the back . 



qq (I-iegs red or reddish . . 

 1 Legs sage-green 



„^ ( Secondaries pure white 



( Secondaries barred brown and white 



Mncnirhaiiiphus (j. tacznnowskii. 



L'ntiosa limnsn tnelntturoides. 

 Limosa lapponica novae-zclnndinc. 



.,, /Bill very slender 

 ( Bill much stouter 



Tot an lis och roph us . 

 Triiicjoides Iti/poh'itco:^. 



Totanus atmjiiatili'i. 



Totnmis calidris. 

 Totanus fuscun. 



Terek ia cineren. 



32 



(Inner and middle toes united at the base by a membrane; 

 ' bill stout ; tarsus less than 2 inches 

 Inner and middle toes hardly united at the base by a mem- 

 \ brane; bill more slender ; tarsus more than 2.2-5 inches 



("Wing 6.5 inches and over ; sexes markedly different in 

 .,., breeding plumage 



Wing less than 5.0 inches; sexes i)raetically alike in 

 I breeding plumage 



..J /Eyes not placed far back in head 

 ( Eyes placed far back in head 



.,,- (Bill from gape not longer than tarsus 

 (Bill from gape longer than tarsus 



.,«/ Only first primary with shafts white 

 (All primaries with shafts partly white 



^„ /All tiiil feathers pale brown ; middle toe 0.9 inch 

 (Outer tail feathers pure white; middle toe 0.75 inch 



rsciidoglottis fjuttifcr. 

 Glottis ncbulariiis. 



Pavoncclla pugnnx, 

 Rhijacophilus glarcola. 



38 



Bill straight ; wing about 7 inches 



Bill decurved at tip ; wing less than 6 inches 



Liiiioiiitcs minutci. 



Liiiinnitcs m. subminiitn. 

 .. Linionites teiiuitinchi. 



Tiimja tenuirostris. 



„g (Bill narrow ; wing about 5 inches 

 (Bill broad ; wing about 4 inches . , 



.1 nculochilus aubarqiiatiis. 

 Limicola platurlujncho. 



20 

 34 



21 

 25 



22 

 23 



24 



26 

 33 



27 

 31 



29 



28 



30 



32 



35 

 40 



36 

 38 



37 



39 



VOL. V, NO. 1, 1921. 



