322 BUBONTDJR. 



Bubo ignavus, Dresser, Birds Eur. v. p. 339 (1873) ; Sharpe, Cat. Birds 

 B. M. ii. p. 14 (1875) ; Irby, Orn. Str. Gibr. 2nd ed. p. 143 

 (189-5). 



Bubo bubo, Sharpe, Hand-l. i. p. 282 (1899). 



The eggs of the Eagle-Owl are of a short oval or elliptical shape 

 and glossy. They measure from 2*1 to 2-5 in length, and from 

 1-81 to 1-95 in breadth. 



2. Laid in confinement [Catton Hall, Salvin-Godman Coll. 



Norwich (J. H. Gurney)']. 



5. Laid in confinement [Swaysland Crowley Bequest. 



Aviaries, Brighton, April]. 



2. Lapland, 23rd April. Crowley Bequest. 



2. Muonioniska, Lapland (Nordvi}. Seebohm Coll. 

 1. Salmojarvi, Finmark, llth April Seebohm Coll. 



(J. Wolley). 



1. Gothenburg, Sweden, April (Tris- Crowley Bequest. 

 tram Coll.). 



3. Pomerania, 2nd April ( T. Holland) . Seebohm Coll. 

 1 . Stolp, Pomerania, 6th April (T.H.). Seebohm Coll. 

 1. Gibraltar (L. H. Irby). Seebohm Coll. 

 1. Parnassus, Greece, 4th May (H. Seebohm Coll. 



Seebohm). 



Bubo virginianus (Gm.). 



Bubo virginianus, Baird, Brewer 8f Ridgw. N. Amer. Birds, iii. p. 60 

 (1874) ; Sharpe, Cat. Birds B. M. ii. p. 19 (1875) ; Bcndire, Life- 

 Hist. N. Amer. Birds, i. p. 376, pi. xii. fig. 12 (1892); Sharpe, 

 Hand-l. i. p. 282 (1899) ; Nehrk. Kat, Eiersamml. p. 10 (1899). 



The eggs of the American Great Horned Owl resemble those of 

 B. bubo, but are rather smaller, measuring from 2'08 to 2*25 in 

 length, and from 1'7 to 1-89 in breadth. 



4. North America. Crowley Bequest. 



1. Labrador Crowley Bequest. 



2. Ithaca, New York (W. E. D. Princeton University, N.J.[E.]. 



Scott). 



Bubo ascalaphus, Savign. 



Ascalaphia savignii, Baedeker, Eier Eur. Vog. tab. 73. fig. 5 (1855-63). 



Strix ascalaphus, Bree, Birds Eur. i. p. 130, pi. (1866). 



Bubo ascalaphus, Tristram, Ibis, 1865, p. 262; Heugl. Orn. N.O.-Afr. 

 i. pt. 1, p. Ill, tab. xl. (1873) ; Bree, Birds Eur. 2nd ed. i. p. 145, 

 p]. _ (1875) ; Sharpe, Cat. Birds B. M. ii. p. 24 (1875) ; Dresser, 

 Birds Eur. ix. (Suppl) p. 267 (1895) ; Sharpe, Hand-l. i. p. 282 

 (1899) ; Nehrk. Kat. Eiersamml. p. 10 (1899). 



The egg of the Egyptian Great Horned Owl taken by Mr. Cochrane 

 in Egypt is spheroidal in shape. The two brought by Canon 

 Tristram from Palestine are elliptical. They measure respectively : 

 2-15 by 1-59 ; 2-3 by 1-6 2-09 by 17. 



