GENUS RHIPIDURA. 67 
Key to the species. 
A. Bill small, not more than 13 cm. in length from 
front '). 
a. Dark form, no rusty red or cinnamon on upper 
surface. 
a. Some of the tail-feathers, if not all, with 
white shafts. 
a’. Shafts of all the tail-feathers white. 
a”. Inner web of tail-feathers entirely white. flabellifera 1. 
6”. Inner web of tail-feathers only edged 
with white... ... - . « « bulgeri 2. 
b”. nee of centre pair of tae Pater brown. 
. Breast and abdomen uniform ochraceous. 
en Lower throat dark, either black or gray. 
a’, Outer web of outermost tail-feathers 
entirely white. 
albiscapa 3. 
“(diemenensis 4. 
66. Throat-patch gray, chest also gray, 
a6. Throat-patch black . 
streaked with ochraceous buff . . preissi 5. 
65, Outer web of outermost tail-feathers 
dull white, brownish at tip. . . . pelzelni 6. 
c5, Outer web of outermost tail-feathers 
and tips to all the tail-feathers smoky 
brown... . … . brenchleyi ue 
64. No dark anne the mils ieee sur- 
face » except the white chin and upper 
throat, being ochraceous buff . . . . cervina 8. 
6”. Breast and abdomen not uniform ochraceous. 
at. Chin black with hoary gray margins, 
throat, chest and breast uniform dull 
ashy brown . . . nebulosa a 
bt. Throat white, east eet ail BE spilodera 10. 
ct. Throat entirely white, chest and breast 
black with white edgings . . . . . verreauzi 11. 
b'. No white shafts in the tail-feathers. 
a”. Upper and lower surface dark, nearly uniform. 
a”. No white superciliary stripe. 
a*. Upper and lower surface, with the ex- 
ception of the black head and tail, sooty 
brown, tinged with olive . . . . . fuliginosa 12. 
1) An exception from this rule is formed by ZR. albiventris, which, for its larger bill, 
would belong to the large-billed group, but is placed here on account of its very near 
relationship to R. cyaniceps. 
Notes from the Leyden Museum, Vol. XV. 
