47 [Vol. xlii. 



founded on a bird also said to be from Gaboon, and this fits 

 the Prince's Island bird very well. 



I would therefore propose to call the Prince's Island bird 



Corythornis cristata nais Hartlaub. 



The following is a brief synopsis of the forms of the 

 genus : — 



COKYTHOENIS CRISTATA CRISTATA. 



Alcedo cristata Pallas in Vroeg, Cat. Adumb. no. 55, p. 1 

 (1764) : Cape of Good Hope. 



Synonyms are Alcedo galerita P. L. S. MiilL, Alcedo 

 cceruleocepJiala Gmel., Alcedo cyanocephala Shaw, Alcedo 

 cyanostigma Riipp. 



Distribution. The whole of Africa south of the Sahara. 



Corythornis cristata nais. 



Aleedo nais Kaup, Fam. Eisv. p. 12 (1848) (nom. nud.) ; 

 Hartlaub, Syst. Orn. Westafr. p. 37 (1857) : Gaboon ?, more 

 probably Prince's Island. 



Distribution. Prince's Island. Possibly Gaboon and 

 Loanda. 



Corythornis vintsioides. 



Alcedo vintsioides Eydoux et Gervais, Voy. La Favourite 

 Ois. in Mag. Zool. 1836, p. 30, pi. 74 : Madagascar. 

 Synonym Alcedo cristata Linn. 1766 (nee Pall.^ 1764). 

 Distribution. Madagascar. 



Mr. H. F. Witherby exhibited some birds from a col- 

 lection he had made in October 1921 in the region of 

 the Picos de Europa (Provinces of Leon, Asturias, and 

 Santander), North Spain. Comparing some of the birds 

 of this region — the Cantabrian Mountains — with those of 

 Portugal and the Pyrenees, Mr. Witherby pointed out that, 

 while the Goldfinch and Coal-Tit were of the same geo- 

 graphical race as the Portuguese (viz. Carduelis c. loeigoldi 



