355 



NEMUBA CYANUKA. 



(RED-FLANKED BLUETAIL.) 



Motacilla cyanurus, Pall. Reis. Russ. Reichs, ii. App. p. 709 (1773). 



Motacilla cyanura, Pall. Zoogr. Rosso-As. i. p. 490 (1811). 



Nemura rufilatus, Hodgs. Proc. Zool. Soc. 1845, p. 27. 



Nemura cyanura (Pall.), Hodgs. Proc. Zool. Soc. 1845, p. 27. 



Litsciola cyanura (Pall.), Temm. & Schl. Fauna Japonica, p. 54, pi. 21 (1850). 



Sylvia (Nemura) cyanura (Pall.), Middend. Sib. Reise, ii. p. 177 (1851). 



Nemura rufilata (Hodgs.), Swinhoe, Ibis, 1860, p. 54. 



Ianthia rufilata (Hodgs.), Swinhoe, Ibis, 1861, p. 329. 



IantMa cyanura (Pall.), Swinhoe, Ibis, 1863, p. 298. 



Figurce notabiles. 



Pallas, Zoogr. Rosso-As. i. pi. xxx. ; Temm. & Schlegel, Fauna Japonica, pi. 21; Middendorft. 

 Sib. Reise, pi. xv. fig. 5 ; David & Oustalet, Ois. de la Chine, pi. 28. 



6 ad. supra saturate caeruleus, fronte, superciliis, tectrieibus alarum minoribus et uropygio lsete ultramarinis, 

 cauda nigricanti-cserulea : remigibus nigricantibus, extus saturate caeruleo marginatis : capitis et colli 

 lateribus nigro-caeruleis : mento, gula et gutture centraliter, cum corpore imo subtus, albis : hypo- 

 chondriis aurantiaco-ferrugineis : rostro et pedibus nigricantibus : iride fusca. 



$ ad. supra olivaceo-fusca : tectrieibus alarum minoribus cseruleo tinctis : uropygio et cauda, cteruleis : fronte 

 et regione ante oculos cervinis : gula, gutture et corpore subtiis albis cervino tinctis, pectore cinereo- 

 fusco tincto, hypochondriis aurantiaco-ferrugineis. 



Adult Male (Sikkim, December 1874). Upper parts deep Prussian blue tinged with bright ultramarine on 

 the rump and shoulders ; forehead and a broad streak over the eye rich ultramarine-blue, the latter 

 with concealed traces of white; quills blackish, externally margined with Prussian blue; tail deep 

 Prussian blue ; sides of the head and neck deep Prussian blue, the lores blackish ; chin, throat, and 

 underparts generally white, except the flanks, which are rich orange-rufous; bill and legs black; iris 

 dark brown. Total length about 5*5 inches, culmen 0'5, wing 3 - 4, tail 2*8, tarsus 088. 



Younger Male (Tingchow, China, December) . Resembles the above, but has the upper parts paler and rather 

 duller, the superciliary stripe is white intermixed with blue, the white on the throat covers a larger 

 area, and the underparts are not so pure white. 



Adult Female (Lake Baikal). Upper parts olivaceous wood-brown, tinged with blue on the shoulders ; rump 

 dull ultramarine-blue ; tail blackish grey broadly margined with blue ; quills dark brown, externally 

 margined with warm olivaceous brown ; sides of the head and neck brown slightly marked with warm 

 buff; forehead and a streak before and slightly above the eye buff; throat buffy white; breast white 

 tinged with brownish grey ; rest of the underparts dull white ; flanks rich orange-rufous. 



3c2 



