1923 BIRDS OF THE SANTA RITA MOUNTAINS 49 



1918, at 4,800 feet, after which "they were occasionally seen in mixed flocks 

 of other birds as high as 7,500 feet." An adult was taken, August 11, and two 

 immatures, August 6 and 12. On the afternoon of April 5, 1921, when the 

 snowstorm was over, a Virginia and a Lucy Warbler were found in the mes- 

 ([uites of the ranch, so they may perhaps hjivo taken shelter in the oaks with 

 the other birds of the region. 



Vermivora ruficapilla gutturalis. Calaveras Waibler 



Found by Henshaw "quite common during the last few days of August 

 and the first of September", 1874, about Camp Crittenden, "in the low trees 

 and bushes," specimens being taken August 27, 29, and September 3. An 

 adult was taken by Howell August 4, 1918, at about 6,000 feet in Madera 

 Canyon, and a few were seen ))y him August 19, 1918, in the eottonwoods and 

 in the mesquite forest soutli of Tucson. 



Vermivora celata lutescens. Lutescent Warbler 



One was taken by Howell, August 11, 1918, in the sycamores of Madera 

 Canyon at 5,000 feet. On March 15, 1921, two were discovered in the bloom- 

 ing sycamore tops at camp — the first warbler migrants. The next were seen 

 three days later and soon they became abundant, daintily picking insects from 

 the under-sides of leaves, occasionally dropping to the ground to hunt over 

 the leaves, but mainly hunting in the flowering sycamores, mesquites, and 

 live oaks wdiicli were full of insects. Two were seen on May 2, shortly be- 

 fore we left the mountains. 



Peucedramus olivaceus. Olive Warbler 



A young bird was taken l)y Howell, August 1, 1918, in a pine in Madera 

 Canyon at about 7,200 feet. A female was taken by Taylor, February 4. 1923, 

 at 5,000 feet in Madera Canyon. "It was in the same general locality with 

 Bridled Titmice and a Ruby-crowned Kinglet." ])ut was alone, "foraging 

 nervously through the foliage of an oak." 



Dendroica aestiva sonorana. Sonora Yellow Warbler 



A juvenile was taken by Nelson, July 14, 1884, at Camp Crittenden, and 

 an adult by Howell, August 16, 1918 at Continental. 



Dendroica auduboni auduboni. Audubon Warbler' 



One was seen by Bailey, January 22, 1921, in Stone Cabin Canyon, one 

 was seen January 30 and several February 12, at camp, after which their 

 numbers gradually increased until they were very common, hunting through 

 the mesquites, live oaks, and sycamores. By April 2, there had been a de- 



-^The Arizona form has been referred to under the name Dendroica auduhovi 

 memorabilis. Greater Audubon Warbler. 



