P8EUD0LEIS1ES. 383 



Genus PSEUDOLEISTES, Sclater. 



Pseudoleistes guirahuro (VieilL). 



(Plate XVir. figs. 6 & 9.) 



Pseudoleistes guirahuro, Sd. Cat. Birds B. M. xi. p. 352 (1886); Mder, 

 Mei). Mm. Paidista, iv. p. 34 (1900) ; Iherinq, t. c. p. 221 (1900) ; 

 Sharpe, Hand-/, v. p. 495 (1909); NehrJt:. Kat. i:iersamml. v- SU 

 (1910) i Chubb, Ibis, 1910, p. (54-2. 



Eggs of the Yellow-backed ilarsh-bird .ire of a broad oval shape, 

 sometimes almost spheroidal, and distinctly glossy. The oround 

 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 mariiings 

 taking the form of irregular lines and sometimes partially bordering 

 the brown-pink blotches. They vary from -9 to 108 in length, 

 and from -7 to -8 in breadth. 



3. South Brazil. Crowley Request. 



2. South Brazil. Crowley Bequest. 



10. Sripucay, Paraguay, 30th Nov. W. Foster, Esq. fC.l. 



■2. Sapiicay. A\'. Foster, Esq [C.]. 



Pseudoleistes virescens ( VieilL). 



Pseudoleistes virescens, Scl. Cut. Birds B. M. xi. p. 352 (1886) ; Scl. ^ 

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

 Nehrk. Kat. Hiersamml. p. 101 (1899), p. 344 (1910) ; Huler, Rec. 

 Mas. Paulista, iv. p. 34 (1900) ; Ihering, t. c. p. 221 (1900) ; Sharps, 

 Hand-l. v. p. 496 (1909) ; C. Grant, Ibis, 191], p. 107. 



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

 eggs of P. guirahuro, 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 zone or imperfect cap. Examples 

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



2. Argentine Repuhh'c. Crowley Bequest. 

 5. Argentine Republic. Crowley Bequest. 



5. Argentine Republic, Nov. A. H. Holland, Esq. [0.]. 



5. Argentine Republic, Nov. A. IT. Hollaud, Esq. [C. 1. 



3. Argentine Republic, Nov. A. H. Hollaud, Esq. [Cj. 



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



Molothrus bonariensis) (see 

 p. 375). 

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

 M. bonariensis). 



5. Ajd, Buenos Ayres, 30th Oct. [C. Ernest Gibson, Esq. [P.]. 



' H. B. Grant). 



