43 Pasadena Academy of Sciences. Publication II. 



Nests mostly on buildings, from May to July. Sets are pf four to six 

 eggs. 



240 — 6ij. Chelidon erythrogastra (Bodd.). 



Barn Swallow. 



Occurs as a tolerably commou migrant over the lower parts of the 

 County. My earliest record is March 27 ('96); and in the fall F. S. 

 Daggett has noted it as late as Sept. 30 ('96); both in the vicinity of 

 Pasadena. A few remain through the summer and nest on the bluffs 

 along the coast in the neighborhood of Santa Monica. 

 241 — 614.. TachyciJieta bicolor (Vieill.). 



Tree Swallow, 



Abundant in spring and summer in the willow regions of the low- 

 lands, especially in the vicinity of ponds and marshes. The majority 

 leave in the fall, but a few remain throughout the winter. By the 

 middle of March this swallow again appears in full force and is soon 

 nest-building. Breeds mostly from the last of April through May. 

 Earliest set, four fresh, taken by H. J. Leland near El Monte, April 15 

 ('97); latest .set, five incubated about one-half, taken by E. D. Parker 

 at El Monte, June 9 ('95). Sets are of four to six eggs. 



242 — 61^. Tachycineta thalassina (Swains. J. 



Violet-green Swallow. 



Abundant summer resident of the mountainous districts, and 

 occurring during migration on the mesas and lowlands. Arrives in 

 large numbers along the foot-hills by the middle of March. My earliest 

 and latest dates are respectively, Feb. 16 ('95) and Oct. 20 ('94). 

 Breeds principally before the last of May. R. Arnold took a set of 

 five fresh eggs on Mt. Wilson, June 19 ('93). Full sets are of four 

 or five eggs, usually the latter number. 

 248 — (5/(5. Clivicola riparia (Linn.). 



BaoK^ Swallow. 



Commou in summer in suitable localities on the lowlands. Large 

 numbers nest in the sandy bluffs along the coast. Evan Davis states 

 it to breed in June and July, laying from four to six eggs. 



244 — (5//. Stelgidopteryx serripe7inis (Aud.). 



Rough-winged Swallow. 



Common over the mesas during the spring migrations. In the 

 vicinity of Pa.sadena, this swallow is most numerous in April, though 

 I have taken it as early as March 12 ('97) near El Monte.' A few 

 pair remain to breed along water courses with steep sandy banks. H. 

 A. Gaylord furnishes our only nesting data, that of a set of four fresh 

 eggs taken May 30, '96, near Pasadena. The nest was in a hole in a 

 cement wall in the Arroyo Seco. 

 245 — 61 g. Ampelis cedrorum (Vieill. j. 



Cedar Waxwing. 



Irregular winter visitant. At times, usually in the spring months 

 this species visits us in large numbers, feeding in flocks on the berries 

 of the pepper-trees. My earliest and latest records are respectively 

 Sept. 14 ('97) and May 17 ('95). H. J. Leland tells us that he sawa 



