14 ARKIV FÖR ZOOLOGI. BAND 13. NiO 4. 



Thayer and Bångs state, that a nest containing two 

 fresh eggs was found in a tree on San Miguel, March 14. 



8. Agamia againi (Gmelin). 



Agamia agami Bångs, Auk. XVIII, 1901, 25 (San Miguel) — Thayer and 



Bångs, Bull. Mus. Comp. Zoöl. XLVI, 1905, 142 (ref.). 

 Ardea agami Salvin and Godman, Biol. Centr.- Am. Aves III, 1901, 171 (ref.). 



The Agami Heron was neither collected nor mentioned 

 by Dr. Bovallius. 



The single finding of this bird in the Pearl Islands is a 

 specimen collected by Mr. Brown in San Miguel, May 8th, 

 1900, on his first excursion to the Islands. On his second visit 

 he did not observe the bird. 



The specimen in question is in the first paper (Auk. 1901 

 1, c.) stated by Bångs as a male, in the second (Bull. Mus. 

 Comp. Zoöl. 1905 1. c.) it is said to be an old female. 



9. Butorides yirescens margaritopliilus (Oberholser). 



Butorides virescens Bangs, Auk. XVIII, 1901, 25 (San Miguel). 



Ardea virescens Salvin and Godman, Biol. Centr.- Am. Aves III, 1901, 169 



(San Miguel). 

 Buto7'ides virescens macidata Thayer and Bangs, Bull. Mvis. Comp. Zoöl. 



XLVI, 1905, 142 (San Miguel). 

 Butorides virescens margaritophilus Oberholser, Proc. U. S. Nat. Mus. XLII, 



1912 (San Miguel; type). 



Bovallius' Collection: 1 S, Chapera, April 2. 



On his first trip to San Miguel Mr. Brown collected but 

 one skin of the Green Heron and this was by Bangs referred 

 to B. virescens Lin., with the remark, that it is not typical 

 virescens, the wing-coverts being edged with rusty as in 

 the Cuban form B. hrunnescens. 



The second collection made by the same collector in the 

 Pearl Islands contains twenty-one specimens, determined by 

 Thayer and Bangs as B. v. maculata Bodd., separable from 

 B. v. virescens above all on account of its smaller size. The 

 quoted authors add, it is to be presumed, that the rank of this 

 form includes the whole of southern Central and northern 

 South America. 



In his revision of the subspecies of the Green Heron Mr. 

 Oberholser separates the species in eighteen more or less 

 distinguishable races. 



