RENDAHL, BIEDS FROM THE PEARL ISLANDS. 49 



85. ^Setophaga ruticilla (Linné). 



Setophaga ruticilla Thayer and Bångs, Bull. Mus. Comp. Zoöl. XLVI. 1905. 

 156 (San Miguel, March 2). 



The Redstart was not collected by Dr. Bovallius. 



Winter range: West Indies and central Mexico to 

 Ecuador, Venezuela, and British Guiana. Jewel (1. c. page 

 429) found it in Panama not uncommon at times. His ear- 

 liest record was October 1st, and the last March 31st, the 

 longest interval without record being January 1st to 23rd. 



Fam. Coerebidae. 

 86. Cyanerpes cyaneus (Linné). 



Cyanerpes cyaneus Bångs, Aiik. XVIII. 1901. 31 (San Miguel) — Thayer 

 and Bångs, Bull. Mus. Comp. Zoöl. XLVI. 1905. 157 (San Miguel). 



The Blue Honey Creeper was not collected by Dr. Bo- 

 vallius. 



Thayer and Bångs state there are no differences between 

 specimens from the Islands and the coast of Panama opposite. 



87.XCoerel)a ceriocluiiis (Bångs). 



Ccereba mexicana columhiana Bångs, Auk. XVIII. 1901. 30 (San Miguel). 

 Ccereba cerioclunis Bångs, Proc. New. Engl. Zoöl. Club II. 1901. 51 (San 



Miguel; type) — Ridgway, Birds North Middle Am. II. 1902. 408 (San 



Miguel). 

 Coereba cerioclunis Thayer and Bångs, Bull. Mus. Comp. Zoöl. ZvLVI. 1905, 



157 (San Miguel; Saboga). 



Bovallius' Collection: 1 ö", 1 ?, Viveros, April 10 and 11. 



Thayer and Bångs say (1. c. page 138) about the San 

 Miguel Bananaqiiit that «It is not nearly related to Coereba 

 mexicana of the adjacent mainland, but finds its closest ally 

 in C. luteola of the Caribbean coasts of Colombia and Vene- 

 zuela ». 



Such a case would, from a zoögeographical point of view 

 be very interesting, but I can find no reason for the validity 

 of this categorical statement of the quoted authors. 



Certainly I have but a very inconsiderable material for 

 comparison, but I think it nevertheless sufficient in order to 

 show that the inference of Messrs. Thayer and Bångs is some- 

 what hasty. 



Arkiv för zoologi. Band 13. No 4. 4 



