LOCUSTELLA. 567 
¢@. Wing shorter than tail. 
at. Rictale bristles minutes tail rounded. ...:22-.0.::..-0-.002.-<0--22 Tribura (p 571) 
d*, Rictal bristles moderate, the longest more than one-half the bill from 
nostril; rectrices strongly graduated.....................- Megalurus (p. 582) 
b?. Tail square; the rectrices not pointed; first primary about equal to primary- 
coverts; third and fourth primaries equal and longest; rictal bristles 
ETN OT CC aa aE ew SE a ccs es nwo sdpannetcedesSaene Acanthopneuste (p. 584) 
a. Tail with ten rectrices; rictal bristles well developed; first pr perigee more than 
one-half the second; tail rounded or slightly graduate. 
bt. Front of tarsus scutellate; feathers of foreneau and chin with their shafts 
stiff and extending beyond the webs..............................-.-- Horornis (p. 586) 
b?. Front of tarsus entire; feathers of forehead and chin normal. 
Phyllergates (p. 588) 
Genus LOCUSTELLA Kaup, 1829. 
Bill small and slender; rictal bristles minute; wing flat and pointed, 
somewhat longer than tail; first primary narrow and pointed, less than 
primary-coverts ; second primary nearly as long as third which is longest ; 
rectrices graduated and slightly pointed, the outermost feather nearly 
as short as, or shorter than, under tail-coverts; tarsus and toes well 
developed, reaching nearly to tip of tail. “Plumage obscure, spotted in 
the smallest species. 
Species. 
a*, Larger; wing more than 60 mm.; plumage without spots or streaks. 
‘bY. Slightly larger; bill, tarsus, and toes decidedly heavier; bill from nostril 
about 11 mm.; rectrices uniform in color, th2 outermost pair slightly 
longer than the under coverts............... eee steAe 2st Baal fasciolata (p. 567) 
b?. Slightly smaller; bill, tarsus, and toes decidedly more slender; bill from 
nostril about 10 mm.; rectrices with pale tips and subterminal blackish 
bars, the outermost pair slightly shorter than the under coverts. 
ochotensis (p. 568) 
a’. Smaller; wing less than 60 mm.; feathers of upper parts with conspicuous, 
dark, median streaks; chest, sides, and flanks usually marked with elongate 
UAW back sca tscet ren rncn ee nctp ante eenpnicnbs Spechanigunenctansacetnans dee lanceolata (p. 569) 
548. LOCUSTELLA FASCIOLATA (Gray). 
GRAY’S GRASSHOPPER WARBLER, 
Acrocephalus fasciolatus GRAY, Proc. Zool. Soc. (1860), 349. 
Locustella fasciolata SrEsoum, Cat. Birds Brit. Mus. (1881), 5, 109, pl. 5; 
WHITEHEAD, Ibis (1899), 210 (habits, migration) ; SHarpe, Hand-List 
(1903), 4, 185; McGrrecor and WorcEsTER, Hand-List (1906), 87. 
Batan (McGregor) ; Calayan (McGregor) ; Luzon (Everett, Whitehead, Celes- 
tino); Marinduque (Steere Hap.); Mindoro (Porter); Sulu (Bourns & Wor- 
cester); Tablas (Bourns &€ Worcester); Tawi Tawi (Bourns & Worcester). 
Talaut, Sangir, and Molucca Islands, eastern Siberia, China, and Japan; in 
winter to Batchian, Halmahera, and Morotai. 
Male (Batan Island, May).—Above dark russet-brown; wings and 
tail seal-brown, edged with russet-brown; second primary edged with 
