PEOCEEDINGS OF UNITED STATES NATIONAL MUSEUM. 407 



*39. Geothlypis trichas, (Linn.). — Maryland Yellow-iliroat. 



Two or more of tbese birds were seen at Marysvillc January 2, 1878, 

 and occasionally thereafter nntil about the middle of the month, when 

 their favorite cover was Hooded by the Yuba lvi\ er. It was not seen at 

 Stockton during- the following Mai'ch, nor until A})ril 12, soon after 

 which it became abundant in the thickets near water and in the edges 

 of tule swamps near sloughs. It was also found there in DecenibePj 

 1878, but was rare. I have not seen it in the mountains. 



It became rare at Stockton after about November 1, 1878. 



74263 

 7(5552 



d ad 



•Stockton. 

 do... 



Apr. Ki, 1878 

 Dec. 3, 1878 



*40. Geothlypis mac ^illivrayS (And.). — Mac/jiUivraij's WarhUr. 



I have not seen this bird below an altitude of about 3,800 feet. It is 

 rather common at Big Trees in the sunnuer months, but was rare at 

 Soda Springs in September. It is seldom, if ever, found out of low 

 shrubbery in the Sierras. 



June .3. 1877 

 Julv 22, 1H78 

 July 22, 1878 



'41. Icteria vireas, j3. lo-.igic udn, Lawr. — Western Yellow-brcas ed Chat. 



This is a very common summer resident at Stockton, especially in the 

 thickets along the rivers, which it follows into the mountains as high 

 as Murphy's. I first noticed it at Stockton on May 0. It left previ- 

 ous to September 7. 



73005 

 74434 

 74435 



— ad. *Murphy'3 ! .Inne 9.1877 



cT ad. *Stoc'kton j May 9, 1878 



d ad. I do . May 13, 1878 



42. Myiodioctes pusUlus, /3. pileolata, (Pall.). — Californian Black-capped Green 

 Warblir. 



Arrived at Murphy's April 18, 1877. It was fiist seen at Stockton 

 May G, 1878. The last seen during the s])ring migration was on May 

 27. Between the dates given it had been abundant in the willows along 

 the San Joaquin River. 



At Big Trees it was common from about the middle of May to June 8, 

 1878, wliileat Soda Sjmngs it was abundant in fall. 1 did not find it at 

 Big Trees from July 4 to August 4, though after this it was common. 



It is usually found among low bushes in the pine forests, but, like 

 many other birds, frequents deciduous oaks when the leaves are young. 



MuiTihy's 



do . 



Stockton. 

 Mui-phy's 



Apr. — . 1877 

 A pi-. — . 1X77 

 May 9. IK78 

 Apr. — , 1877 



