FSEUDOLE1STES. 383 



Genus PSEUDOLEISTES, Sclater. 



Pseudoleistes guirahuro (Vleill.}. 



(Plate XVII. figs. 6 & 9.) 



Pseudoleistes guirahuro, Scl Cat. lin-d* />'. M. xi. p. 352 (188G); Enler, 

 7.V/-. J/w/. Paul 1*1 <t, iv. p. 34 (1900) ; Iheriny, t. c. p. 221 (1900) ; 

 X/mri>(>, Hand-', v. p. 411.") (1<K)<)); Nehrk. Kat. Eiersamml. p. 344 

 (1910) j C/ii/46, 76/s, 1910, p. (342. 



Eggs of the Yellow-backed Marsh-bird are of a broad oval shape, 

 sometimes almost spheroidal, and distinctly glossy. The ground 

 is pinkish-white mottled with pinkish and lilac-grey ; towards the 

 larger end the shell is spotted and blotched with deep chocolate 

 and brown-pink or maroon, some of the dark chocolate markings 

 taking the form of irregular lines and sometimes partially bordering 

 the brown-pink blotches. They vary from -9 to 1-08 in length, 

 and from -7 to *8 in breadth. 



3. Sou tli Brazil. Crowley Bequest. 



2. South Brazil. Crowley Bequest. 



10. Sapucay, Paraguay, 20th Nov. W. Foster, Esq. ("C.I. 



2. Sapucay. W. Foster, Esq [C.]. 



Pseudoleistes virescens (Vitill.). 



Pseudoleistes virescens, Scl. Cat. Birds B. M. xi. p. 352 (1886) ; Scl. fy 

 Huds. Arc/. Orn. i. p. 102 (1888); Holland, Ibis, 1892. p. 199; 

 Nehrk. Kat. Eiersamml. p. 101 (1899), p. 344 (1910) ; Hitler, Rev. 

 Mas. Paulista, iv. p. 31 (1900) ; Ihering, t. c. p. 221 (1900) : Sharpe, 

 Hand-l. v. p. 496 (1909j ; C. Grant, Ibis, 1911, p. 107. 



The eggs of the Yellow-breasted Marsh-bird closely resemble 

 eggs of P. ynirahuro, and are of a broad oval shape and glossy. 

 They are white or pinkish-white, densely speckled and blotched 

 with rich reddish-brown, brown-lake or maroon, and lavender-grey. 

 The markings are more or less confluent at the broad end of the 

 egg, and form an irregular /one or imperfect cap. Examples 

 measure from -94 to I'll in length, and from '72 to -8 in breadth. 



2. Argentine Republic. Crowley Bequest. 

 5. Argentine Republic. Crowley Bequest. 



5. Argentine Republic, Nov. A. H. Holland, Esq. CO.]. 



5. Argentine Republic, Nov. A. H. Holland, Esq. [C.J. 



3. Argentine Republic, Nov. A. H. Holland, Esq. ["C.J. 



4. Buenos Ayres (with one egg of W. H. Hudson, Esq. [P.]. 



Molothrus bonariemis) ^ (see 

 p. 375). 



3. Buenos Ayres (with three eggs of W. H. Hudson, Esq. [P.]. 

 M. bonui'tensix ) . 



Ajo, Buenos Ayres, 30th Oct. (C'. Ernest Gibson, Esq. fP.1 

 ' II. 



