LOCUSTELLA. 567 



c 2 . Wing shorter than tail. 



d 1 . Eictal bristles minute; tail rounded Tribura (p571) 



d z . Rictal bristles moderate, the longest more than one-half the bill from 



nostril; rectrices strongly graduated Megalurus (p. 582) 



6 2 . Tail square ; the rectrices not pointed ; first primary about equal to primary- 

 coverts; third and fourth primaries equal and longest; rictal bristles 



moderate Acanthopneuste (p. 584) 



a 2 . Tail with ten rectrices; rictal bristles well developed; first primary more than 

 one-half the second; tail rounded or slightly graduate. 



6 1 . Front of tarsus scutellate; feathers of forenead and chin with their shafts 



stiff and extending beyond the webs Horornis (p. 586) 



6 J . 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-cherts ; 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 1 . Larger; wing more than 60 mm.; plumage without spots or streaks. 

 "* 6 1 . Slightly larger ; bill, tarsus, and toes decidedly heavier ; bill from nostril 

 about 11 mm.; rectrices uniform in color, tin outermost pair slightly 

 longer than the under coverts fasciolata (p. 567) 



6 2 . 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 2 . Smaller; wing less than 60 mm.; feathers of upper parts with conspicuous, 

 dark, median streaks; chest, sides, and flanks usually marked with elongate 

 dark spots lanceolata (p. 569) 



548. LOCUSTELLA FASCIOLATA (Gray). 

 GRAY'S GRASSHOPPER WARBLER. 



Acrocephalus fasciolatus GRAY, Proc. Zool. Soc. (1860), 349. 



Locustella fasciolata SEEBOHM, Cat. Birds Brit. Mus. (1881), 5, 109, pi. 5; 

 WHITEHEAD, Ibis (1899), 210 (habits, migration); SHABPE, Hand-List 

 (1903), 4, 185; MCGREGOR and WORCESTER, Hand-List (1906), 87. 



Batan (McGregor); Calayan (McGregor); Luzon (Everett, Whitehead, Celes- 

 tino) ; Marinduque (Steere Exp.) ; 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 



