170 ARDEID^. 



c Ad. sk. Nagasaki. Tweeddale Coll. 



/> ff- d 2 juv- sk. Nagasaki, Aug. 8. F. Einger, Esq. [P.]. 



/(. Ad. sk. Formosa. Seebohm Coll. 



z, A. Ad. etjuv.sk. MimWa, huzon (Maitla7id Tweeddale Coll. 



Mei-iot). 



I- 2juF.sk. Ayala, Mindanao, Dec. 12 Steere Expedition. 



(K L. Moseleij). 



19. SYRIGMA. 



Type. 



Sjvigma, liidffwm/, £ull. U.S. Geol. 4" Geoyr. Surv. 



iv. p. 247 (1878) S. cyanocephaluin. 



Syricter, Heine Sf Reichen. Nomencl. Mus. Hein. 



p. 309 (1890) S. cyanocephalum, 



Jtange. Confiued to South America. 



I. Syrigma cyanocephalum. 



Flauta del sol, Aza7-a,'Apunt. iii. p. 169 (1805). 



Ardea cyanocepliala, Molina, Vieill. N. Diet, d! Hist. Nat. xiv. p. 412' 



(1817) ; id. Ene. Meth. iii. p. 1114 (1823), 

 Ardea sibilatrix, Temm. PI. Col. v. pi. 271 (1823) ; Wagl. Syst. Av., 



Ardea, p. 183, sp. 24 (1827) ; lieichenb. Grail. Taf. 91. fig. 465 



(1840) ; Hartl. Ind. Azara, p. 23 (1847) ; Bimn. Th. Bras. iii. 



p. 407 (18-56 : Brazil) ; Schl. Mus. Pmjs-Bas, Ardeas, p. 36 (1803 : 



Brazil) ; Scl. Sf Salv. P. Z. S. 1869, p. 634 (Buenos Ayres) ; Pelz. 



Orn. Bras. pp. 301,455 (1871: Ytarare) ; Gray, Hand-l. B. iii. 



p. 30, no. 10143 (1871) ; Set. ^- Salv. Nomencl. Av. Neotr. p. 125 



(1873) ; White, P. Z. S. 1882, p. 024 (Salta, Nov.) ; Barrows, 



Auk, i. p. 271 (1884 ; Lower Uruguay, Nov.) ; Scl. 8f Huds. Arg. 



Orn. ii. p. 100 (1889) ; Graham 'Kerr, Ibis, 1892, p. 144 



(Pilcomayo). 

 Nycticorax sibilatrix. Gray, Gen. B. iii. p. 558 (1847) ; LicJit. 



Nomencl. Av. Mus. Berol. p. 90 (1854: Montevideo); Beicheu. 



J.f. O. 1877, p. 240. 

 Buphus sibilatrix, Bj). Consp. Av. ii. p. 127 (1855). 

 Syrigma sibilatrix, Bidgw. Btdl. U.S. Geol. ^ Geoyr. Surv. iv. p. 247 



_(1878). 

 Sirycter cyanocephalus, Heine ^' Reichen, Nomencl. Mus. Hein. 



p. 309(1890: Brazil). 



Adult male. Upper back and scapulars ashy grey ; lower back, 

 rump, and upper tail-coverts, as well as the tail, creamy white •,. 

 wing-coverts reddish streaked with grey ; bastard-wing, primary- 

 coverts, and quills black, the latter inclining to grey on the outer 

 webs, the secondaries with white bases ; head dark slate-colour, 

 with a long nuchal crest, the feathers of which are tipped with 

 whitish ; ear-coverts and sides of upper neck pale chestnut ; throat 

 white, tinged with rufous ; neck all round, fore-neck, and upper 

 breast isabelline ; lower breast grey, tinged with rufous ; remainder 

 of under surface creamy white, including the under wing-coverts 

 and axillaries. Total length 23 inches, culmen 2-6, wing 12,. 

 tail 4"5, tarsus 3-5. 



Hab. Southern Brazil and Uruguay. 



