84 MIMIDJ5. 



colour and markings, than ordinary eggs of M. polyglottus. They 

 nieasure from 1-03 to 1-1 in length, and from -75 to -85 in breadth. 



7. Argentine Republic. Crowley Bequest. 



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



1. Uruguay, 22nd Oct. O. V. Aplin, Esq. [P.]. 



2. Uruguay, 15th Nov. O. V. Aplin, Esq. [P.T. 



1. Uruguay. ' 0. V. Aplin, Esq. [P.]. 



Mimus gilvus ( Vieill.). 



Mimus gracilis, O^oen, Ibis, 1861, p. 60, pi. ii. fig. 2. 



Mimus gilvus, Scl. Sf Salv. P. Z. 8. 1879, p. 492 ; Salv. ^ Oodm. Biol. 



Centr.-Amer., Aves, i. p. 36 (1879) ; 8harpe, Cat. Birds B. M. vi. 



p. 850 (1881) ; Nehrk. Kat. Eiersamml. p. 49 (1899) ; Sharpe, 



Handel, iv. p. 104 (1903> 



The eggs of the Graceful Mooking-Thrush resemble very closely 

 those of M. polyglottus, but one set of three from Grenada differs 

 so much from the ordinary type that it deserves special mention. 

 To begin with, the eggs are all of a very long pointed oval form : 

 each differs strikingly from the others, the first being of a very clear 

 pale blue with only the faintest trace of yellowish-brown spots ; the 

 second is densely freckled all over with tiny specks of pale reddish 

 brown, more so even than in the case of the first type of M. tJienca 

 already described; while the third egg has larger and less numerous 

 spots, allowing more ground-colour to be seen and thereby approach- 

 ing the ordinary type. The other set from Grenada is a handsome 

 one, the eggs being boldly marked and the colouring of the blotches 

 a rich red-brown. They measure from -92 to 1-1 in length, and 

 from -70 to -79 in breadth. 



3. Grenada, W. Indies ( J". (3. J-rrf/.s). Crowley Bequest. 

 3. Grenada, 3rd July (■/. O. W.). Crowley Bequest. 



2. St. Vincent, "W. ladies. May Salvin-Godman Coll. 



{Mrs. D. TV. Smith). 



1. Yucatan. Crowley Bequest. 



2. San Geronimo, Guatemala, May Salvin-Godman Coll. 



(S. Owen). 



3. San Geronimo, 30th May (R. O.). Salvin-Godman Coll. 

 1. San Geronimo, May (B. O.). Crowley Bequest. 



1. Medellin, Antioquia, U.S. Colombia Salvin-Godman Coll. 

 {T. K. Salmon). 



Genus OEEOSCOPTES, Baird. 



Oreoscoptes montanus (Townsend). 



(Plate IV. flg. 14.) 



Oreoscoptes montanus, Coues, Birds N.- West, p. 7 (1874) ; Baird, BrPU'er 

 8{ Midgw. N. Ainer. Birds, i. p. 82 (1874) ; Coues, Birds Color. Vail. 

 p. 48 (1878) ; Sharpe, Cat. Birds B. M. vi. p. 333 (1881); Nehrk. 

 Kat. lliersamml. p. 48 (1899) ; Sharpe, Hand-l. iv. p. 106 (1903). 



The eggs of the Mountain Mocking-Thrush, or Sage-Thrasher, 

 have a very striking and handsome appearance. They are of a 



