BIRDS OF SOUTHERN VERACRUZ — WETMORE 313 



forehead of the male duller and the edging's on the remiges duller. 

 As pointed out by Oberholser, it is not restricted to Newfoundland 

 but extends across Canada to central Alaska. No doubt it is this bird, 

 which must be numerically far more abundant than the Alaska 

 yellow warbler, that has been the basis of part of the records of 

 D. p. ruhiginosa at various localities in the eastern part of the 

 United States. 



Specimens identified as anmicola were secured as follows: Tres 

 Zapotes, March 20, 21, 30, and 31 and April 13, 1939, January 17 and 

 March 15, 1940; Tlacotalpam, February 19, 1940. Several of these 

 are in various stages of molt between the first fall plumage and the 

 nuptial dress. Identification of some of these immature individuals 

 is a difficult problem. 



Further collecting should reveal others of the eight recognized 

 forms of the aestiva group in this region. 



DENDROICA MAGNOLIA (Wilson) : Magnolia Warbler 



Sylvia magnolia Wilson, American ornithology, vol. 3, 1811, p. 63, pi. 23, fig. 2 

 (Fort Adams, Miss.). 



This is the most common of the migrant warblers that come to the 

 Tres Zapotes region. Carriker recorded it in January on his arrival, 

 and in 1939 I found it in numbers until April 13. Carriker secured 

 specimens at Tlacotalpam on February 5 and April 8. Immature 

 males were molting into adult body dress in March. The species was 

 found everywhere in groves and woodland. 



DENDROICA CORONATA HOOVERI McGregor: Alaskan Myrtle Warbler 



Dendroica coronata hooveri McGregor, Bull. Cooper Orn. Club., vol. 1, 1899, p. 32 

 (Palo Alto, Calif.). 



On March 22, 1939, I shot a myrtle warbler near camp at Tres 

 Zapotes, the only one that I saw in this vicinity. Carriker collected 

 two at Tlacotalpam on February 5 and 8, 1940, reporting that the 

 birds were common in trees and bushes in the marshy lands. On 

 April 20 he secured a female on the summit of Volcan San Martin at 

 5,400 feet elevation. 



These four specimens all belong to the Alaskan form, which is dis- 

 tinctly grayer brown above than the eastern subspecies in the plumage 

 stages of fall, winter, and early spring. 



DENDROICA VIRENS VIRENS (Gmelin) : Black-throated Green Warbler 



Motacilla virens Gmelin, Systema naturae, vol. 1, pt. 2, 1789, p. 985 (Philadelphia, 

 Pa.). 



Carriker collected males near Tres Zapotes on March 25 and 27 and 

 on the summit of Volcan San Martin on April 20. The latter was in 



