LOCl'STELLA. 567 



c^. Wing shorter than tail. 



d\ Rictal bristles minute; tail rounded Tribura (p571) 



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



nostril; rectrices stronglj^ 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 



moderate Acanthopneuste (p. 584) 



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

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

 6^. Front of tarsus scutellate; feathers of foreUeaa and chin with their shafts 



stiff and extending beyond the webs Horornis (p. 58G) 



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 fiat 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. 



6\ Slightly larger; bill, tarsus, and toes decidedly heavier; bill from nostril 

 about 11 mm.; rectrices uniform in color, th3 outermost pair slightly 



longer than the under coverts fasciolata (p. 5G7) 



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 



dark spots lanceolata (p. 669) 



548. LOCUSTELLA FASCIOLATA (Gray). 

 GRAY'S GRASSHOPPER WARBLER. 



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



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

 Whitehead, Jbis (1899), 210 (habits, migration); Sharpe, Hand-List 

 (1903), 4, 185; McGregor and Worcester, Hand-List (1900), 87. 



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

 tino) ; Marinduque {Steere Exp.) ; Mindoro {Porter) ; Sulu {Bourns d Wor- 

 cester) ; Tablas {Bourns cC- Worcester); Tawi Tawi {Bourns d 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 



