FAMILY MUSCICAPID^. 



283 



10 



* 



Tarsus booted, adult with red throat, young spotted . 

 Tarsus in front with large scutes, never red on throat, 

 adult and young without spots ...., 



Outer rectrices chestnut-red at base, or brownish-chestnut 

 throughout 



Outer rectrices without chestnut or brownish-chestnut 11 



4 



Tail rounded or graduated 12 



Tail square 14 



First primary much longer than primary -coverts 



First primary shorter or not longer than primary -coverts 13 



Bictal bristles obvious 



Rictal bristles obsolete 



Rictal bristles obvious 15 



Bictal bristles obsolete 



Tarsus generally weaker and under 20 mm. 



Tarsus stronger and over 20 mm 16 



Upper tail-coverts conspicuously white .... 

 Upper tail-coverts not white 



Erithacua 



Herbivocula 



Luscinia 



Lusciniola 



Acrocephalus 

 Locustella 



Sylvia 

 Muscicapa 



(Enanihe 

 Saxicola 



Genus MUSCICAPA Briss. 



MUSCICAPA Brisson, Orn., I., p. 32 (1760 Type by tautonymy : 

 " Muscicapa," i.e., M. striata ; cf. Orn., II., p. 357). 



Bill wide at base, wider than half the length of the exposed 

 culmen. Rictal bristles conspicuous. Plumage soft and full. 

 1st primary in all British species longer than primary -coverts but 

 considerably shorter than half the length of the 2nd, 3rd and 4th 

 longest. Tail square or slightly emarginated, rectrices 12. Feet 

 weak, tarsus short. Sexes alike or different, young in first plumage 

 spotted. Numerous species in all parts of Old World, but genus 

 very differently limited, even British species sometimes divided into 

 three or four genera, e.g., " Butalis " (=Muscicapa s.s.), Hedymda 

 or Ficedula (for hypoleiica), Alseonax (for latirostris), Siphia 

 (parva). 



Key to species of genus MUSCICAPA. 



f Uppar-parts spotted with buff . . Juveniles of all species 

 1 1 Upper-parts not spotted with buff 2 



f Crown with blackish spots . . . M.striata, ad. and juv ,p. 284 

 "" I Crown uniform, unspotted . . 3 



f Crown black, white patch on forehead 4 



I Crown brown or brownish-grey . 5 



