Letters, Extracts, and Notes. 155 



The Condor. (Vol. siv. Nos. o, Q, 1912.) 



The Emu. (Vol. xii. pt. 2, 1912.) 



Message!' Omithologique. (Moscow) (Nos. 3, 4, 1912.) 



The Scottisli Naturalist. (Nos. 11-13, 1912.) 



Zoological Society Bulletin, New York. (November 1912.) 



Zoologischer Anzeiger. (Bd. xl. Nr. 10-13; xli. Nr. 1-4, 1912.) 



X. — Letters, Extracts, and Notes. 



We have received tlie following letters addressed " to the 

 Editor '^— 



SiR_, — Mr. W. P. Lo^ye^s most interesting account of tlie 

 Gannets {Sula capensis Licht.) on Ichabo Island ('Ibis/ 1912, 

 p. 263), has induced me to make some further enquiries, 

 and I learn from Mr. Miiller, H.B.M. Consul^ that they 

 are as numerous as ever, covering the whole island. 

 He writes, under date of October 2nd : — 

 " The men's quarters have had to be fenced off to keep 

 the birds away, and they had to expedite the loading of the 

 last lot of guano collected, as the biids returning to nest 

 began laying upon the stacks, "^^arious attempts have been 



made to estimate the numbers of the Malagas " 



It seems possible that there are more Gannets on Ichabo 

 than on the celebrated Bird Island in Algoa Bay. 



I am, Sir, 



Yours &c., 

 Keswick Hall, J. H. GuRNEY. 



Norwich. 



Sir, — In the October number of 'The Ibis ' I had occasion 

 to figure the male and female of the Blue Chaffinch of Gran 

 Canaria {Frmgilta teydea polatzeki). May I be permitted 

 to point out the discrepancies between the original painting 

 and the reproductions (Plate xii.), which are so marked as to 

 take away to a large degree from the value of the plate. 

 In fairness to the artist — H. Gronvold — I should like to 



