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38 THE CONDOR Vol. XVI TOLMIE (or MAcGILLIVRAY) WARBLER. 0porornis tolmiei. Sparse visitant in summer to certain shaded canyon sides among the hills. The dense chaparral on the north-facing wall of Stra?vberry Creek canyon harbored at least two breeding pairs in June and July, 19o9; on Angust 4, 1912, two young in first- winter plumage were seen in thickets along Strawberry 'Creek just above the College Avenue entrance (J. G.). LONG-TAILED CItAT. Icteria virens longicauda. Rare transient: heard in early May, 19o9, from thickets along Strawberry Creek (J. G.). GOLDEN PII.EOLATED Wi?R}?LER. Wfisonia pusilia pileolata. Common summer visitant, occurring chiefly in thickets close along ravine bottoms. Dates of ar- rival: March 27, 1911, March 3 o, 1912 , and March 31, 1913 (A. S.A.). [n May and June, 1.0o9, a pair nested along the creek near the Faculty Club. None has been noted after the last week of August. AMERICAN IZ'IPIT. Artthus rubescerts. Irregular winter visitant, appearing at times in considerable ttocks on the grassy hill-tops. In rainy weather a small company often visits the open plot of ground just north of the tennis courts. The first dates of seeing them there have been: October 24, 19Io , and November 7, 1911 (J. G.); October 25, 1912 (H. C. B.); and October 25, 1913 (J. G.). 'CALIFORNIA THRASHER. Toxostoma redivivum redivivum. Regular resident, locally, in dense chaparral along Strawberry Creek canyon. A pair, or family, has always been in evidence just below the swimming pool, extending its domain up the hillside to Mosswood Road. Another family has its station nearly at the head of the same canyon. This m?trvelous singer is to be heard at its best in the early mornings of clear days from March to June. VmORS WREN. Thryomanes bewicki spilurus. Common resident of chapar- ral-covered hillsides as well as brushy ravine-bottoms. Individuals rove down along Strawberry Creek nearly to the .Center Street entrance. WESTERN House WREN. Troglodytes a?don parkmani. Common summer visitant. Earliest dates of record: March 27, I911 (A. S. A.); March I9, 1912 (J. G.); April 2I, 1913'(A. S.A.). Disappears in the fall some time before the loth of September. Nests are situated in knot-holes of oak-trees. One pair has' nested for several seasons within 50 feet west of the Faculty Club. WESTERN WINTER WREN. Nannus hiemaiis paei!ieus. Irregular mid-winter visitant. Observed only in brush-tangles and drift-piles along the bed of Straw- berry Creek close above and below the College Avenue entrance. Earliest dates: 'November 3, 198, and November 1, 1911 (J. G.). Latest dates: January 3 O, 19o 4 (A. S. A.), and April 26, 1913 (}?[. C. B.). SmRRA CREEPER. Certhia familiaris zelotes. Occasional mid-winter visitant, frequenting bay-trees and alders along stream-courses. Repeatedly seen along Strawberry Creek between the Faculty Club and Budd Hall. Earliest and latest dates, respectively: DeceMber lO, 1911 (A. S. A.), and March 16, 1912 (J. G.). RED-BREASTED NUTHATCH. Sitta cana?lensis. Irregularly common. winter visitant, appearing among the pines near the Center Street entrance and in the evergreen gro{'e around the Greek Theatre. Earliest and latest dates of obser- vation: September 24, 19o8 (J. G.), and March 24, 1913 (H..,C. B.). PLAIN TITMOUSE. 1taeolophus inornatus inornatus. Common resident among the live-oaks of the l'6wer part of the Campus. Natural hollows of trees are chosen as nesting sites. Unfortunately the custom on ,the part of the authorities in charge of'the grounds, of keeping all dead branches trimmed a/ray and .knot- holes filled up with cement, makes conditions unfavorable for birds of such nest- ing habits to readily find suitable sites. In two cases, regularly occupied he'sting