RIDGWAY ORNITHOLOGICAL CLUB. 83 



DGndroica dUgesi sp. nov. Mexican Tellow Warbler. 

 Type: Adult :\ (No. 105,468 U.S. Nat'l. Mus. Moro Leon, Guana- 

 juato, Mexico. Prof. A. Duges). 



Description: Back, occiput, and scapulars light olive-yellow. 

 Crown, rump, and entire under parts canary-yellow; Primaries, 

 secondaries, and two central rectrices dull black, edged with yellow. 

 The other rectrices are yellow, except a narrow brownish-black 

 stripe lying on the outer edge of the shafts. Centres of upper tail- 

 coverts dusky. Breast and sides faintly marked with a few light 

 chestnut streaks. Bill black. Legs and feet brown. The species 

 most resembles Dendroica csstiva morcomi but is much larger. 

 Habitat, Mexico. 



Measurements : 



Dendroica dugesi 

 D. czstiva morcomi 

 D. cestiva 



I name this unique specimen in honor of Prof. A. Duges from 

 whom it was received by the National Museum. 



Through the courtesy of Prof. Ridgway I have recently ex- 

 amined the extensive series of Golden Warblers in the col- 

 lection of the National Museum, and the two new races described 

 above are the result. My acknowledgements are also due to Mr. 

 H. W. Henshaw for allowing me to use his specimens for com- 

 parison. 



♦Length taken from a dried skin. 

 *Sex not marked, but evidently a male. 



Length.* 



Wing. 



Tail. 



Tarsi. 



Bill (gape). 



5.IO 



2.9O 



2 45 



.80 



.60 



4-5° 



2.6o 



2.00 



•75 



■50 



4-5° 



2.6o 



2.00 



•75 



•5° 



