24. 



TIGRISOMA. 195 



(1891: Santarem); Chapm. Bull. Ayner. Mm. vi. p 82 C1894- 

 Trinidad). ^' ^ 



Botaurus brasilieusis, Eeichen. J.f. O. 1877, p. 250. 



Adult. Above olive-brown with a greenish tinge, the feathers 

 coarsely barred and mesially streaked with black : lower back, rump 

 and upper tail-coverts blackish, with a slight green gloss and a few 

 cross-vermiculations of sandy buff; wing-coverts like the back the 

 greater series rather more finely vermiculated than the other coverts • 

 bastard-wing, primary-coverts, and quills black, externally slate- 

 colour, and edged with white at the tip, the secondaries glossed 

 with green and having small vermiciilatious of sandy buflp, the inner- 

 most like the back : tail uniform slaty grey, with a greenish gloss • 

 entu-e head and neck chestnut, the latter with remains of spots and 

 bars of blackish ; sides of face and ear-coverts also chestnut ; middle 

 of throat with dusky rufous feathers ; the lores, region of 'the eye 

 and sides of throat bare, with a line of white feathers skirtino- the' 

 latter, streaked with black ; lower throat and fore-neck for the°most 

 part chestnut, with broad streaks of white and narrower maro'inal 

 ones of black, the sides of the chest rayed with blackish bars • 

 breast and abdomen uniform rufous, mixed with grey, the bases of 

 the feathers being grey ; thighs and under tail-coverts dusky grey 

 washed with rufous ; under wing-coverts, axillaries, and long flank- 

 . feathers black, with broad white bars, very conspicuous^ quills 

 uniform slaty below. Total length 20 inches, culmen 4 wino- io-5 

 tail 3-8, tarsus 3-8. , ^ ±yj o, 



Young. Black, spotted with tawny buff like the young of the 

 other species of Tiger Bittern described below. 



ffah. British Guiana and Amazonia generally to Peru, Ecuador 

 and north to Panama ; Trinidad. ' 



a. Ad. St. British Guiana. Sir R. Schomburek 



rc 1 



b, c Ad. et juv. British Guiana. Sir R. Schomburok 



• rc 1 ° 



d. J ad. sk. Merumg Mts., British Guiana Salvin-Godman Coll. 



(H. Whitely). 



e,f Ad. et juv. Maroni Eiver, Simnam Salvin-Godman Coll. 



SK. (Kajjpler). 



g. A.A.; h. Z\XY. Isthmus of Panama (3fcieaw- Salvin-Godman Coll 



sk. nan). 



i, k I. Ad. et juv. Sarayacu, Ecuador ( C. Buck- Salvin-Godman Coll 



sk. let/). 



. m, n. Juv. sk. Yanayacu, Ecuador ( C. Buck- Salviu-G odman Coll. 



. %)• 



o, jo^ c? ad. et J uv. Pebas, E. Peru (J. HauxweU) . Salvin-Godman Coll. 



q, r. Skeletons. Zoological Society. 



2. Tigrisoma marmoratum. 



Garza jaspeada, Azarn,Apunt. iii. p. 160 (1805), juv. 

 Garza obscura azulada, Azara. Apunt. iii. p. KU (1805), ad. 

 Ardea marmorata, Vieill. N. Diet. d'Sist. Nat. xiv. p. 415 (1817>. 



o2 



