236 FALCONID^. 



The majority of the eggs of the American Harrier, or Marsh -Hawk, 

 are plain bluish white ; a few are marked with small blotches of 

 pale brown. They measure from l"? to 1"95 in length, and from 

 1*4 to 1'45 in breadth. 



2. l^oithAraenca (W. Wood: Smiths. Salvin-Godmau Coll. 



Inst). 



1. North America {Smiths. I?ist.). Salvin-Godman Coll. 



4. North America {Field Coll.). Crowley Bequest. 



5. Fort Yukon, Alaska {J. Lockhart : Salvin-Godman CoU. 



Henshaw Coll.). 

 1. Fort Siiupsou, Mackenzie River B. R. Ross, Esq. [P.]. 

 District. 



3. Iowa, U.S.A. Crowley Bequest. 



Circus cinereus, VieiU. 



Circus cinereus, Sharpe, Cat. Birds B. M. i. p. 56 (1874) ; Scl. i^ Huds. 

 Argent. Orn. ii. p. 57 (1889) ; Holland, Ibts, 1892, p. 203; Sharpe, 

 Hand-l. i. p. 245 (1899) ; von Ihering, Rev. Mus. Faulista, iv. p. 270 

 (1900). 



The eggs of the Cinereous Harrier are pale bluish white. Five 

 examples measure respectively : l"75byl"35; 1"73 by 1-31 ; 1'72 

 by 1-37; 1-71 by 137; 1-75 by 1-4. 



1. Chile. Crowley Bequest. 



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



Circas spilonotus, Kaup. 



Circus spilonotus, Sharpe, Cat. Birds B. M. i. p. 58 (1874) ; Tacz. Faune 

 Orn. Siber. Orient, p. 112 (1891) ; Sharpe, Hand-l. i. p. 245 (1899) : 

 Nehrk. Kat. Eiersaninil. p. 3 (1899). 



The eggs of Kaup's Harrier are white with a very faint tinge of 

 blue. They measure from I'S to 1"95 in length, and from 1"35 to 

 1*5 in breadth. 



5. Amur-land, 7th June [Field Coll.). Crowley Bequest. 

 2. Amur-land. Crowley Bequest. 



1. Amur-land. Crowley Bequest. 





Circus macroscelis, A. Newton. 



Circus macroscelis, Sharpe, Cat. Birds B. M. i. p. 73 (1874) ; id. Hand-l. 



i. p. 245 (1899). 

 Circus maillardi, var. macrosceles, Milne-Edivards ^- Grandidier, Hist. 



Nat. Madag., Ois. i. p. 90 (1879). 



The sole egg of the Madagascar Harrier in the Collection is 

 white faintly tinged with blue, and measures 2-01 by 1-48. 



1 . Madagascar. Crowley Bequest. 



