The Oologists' Record, September 1, 1923. 51 



only " Hobby " that could possibly have bred there. (El Penon 

 is, of course, the ordinary Spanish name for the Rock.) I think 

 Arevalo's statement should read that about a century ago (not for 

 about a century) some species of Falcon bred on the rock, but it 

 must be remembered that the Mediterranean Peregrine still breeds 

 there, so that the evidence of the breeding and even of the 

 occurrence of this species on the Spanish mainland does not rest 

 on a very secure foundation. 



NOTES ON EGGS OF RAPTORES. 



Colonel R. Sparrow has kindly sent us for publication the follow- 

 ing notes on some rare eggs of the raptores in his collection. Six 

 of the species will be seen to be new to the lists of the collections 

 of Messrs. Gordon and Swann. 

 Torgos t. tracheliotus. Black Vulture, c/1, c/1 



1st laying, large white oval egg, unspotted, 17th July. 2nd 

 laying, smaller white oval egg with a few dark red spots at the larger 

 end, taken from same nest on August 18th, at Potchefstroom, 

 Transvaal. 

 Accipiter rufiventris. African Sparrow-hawk. 



c/4 from the Mooi River, Natal, 11th October, 1906. Very 

 similar to those of the European species [Accipiter n. nisiis), but 

 smaller. 

 Hieraetus fasciatiis spilogaster. 



One single egg taken by Mr. Carlisle on the Strathmorc Ranch, 

 near Buluwayo. It resembles a large egg of the European Kite. 

 This egg belongs at present to Mr. Carlisle. 

 Spizactns bellicosus. Warlike Crested-Eagle. 



c/1 taken by Mr. Austin Roberts near Potchefstroom in the 

 Transvaal on 19th July, 1903. It is a large creamy white egg 

 covered all over with blotches and spots of pale brown. 

 Circaettis pectoralis. Black-breasted Snake-Eagle. 



c/1 taken in British East Africa on 19th July, 1909. A large 

 white oval egg believed to be of this species but the identification 

 is not certain as the parent bird was not seen by owner. It measures 

 75 mm. X 57-6 mm. 

 Haliaetus vocifer. Vociferous Sea-Eagle. 



c/1, c/1. Taken on 14th June, 1902. and 19th August, 1909, 

 both from the Bluff at Durban, Natal. Pure white, unspotted. 



A3 



