280 PEOCEEDINGS OF THE ACADEMY OF [June-Oct., 



notes or syllables, repeated several times. More often two birds near 

 together sing at the same time, but in a different pitch, as if one song 

 was an accompaniment to the other. 



I follow Dr. Hubert Lyman Clark in placing this bird in the 

 Tanagridse and have altered Mr. Ridgway's vernacular name "Thrush 

 Warbler" as suggested by Dr. Clark (cf. The Auk, 1913, p. 11). 



ICTERID^. 



[419.] Zarhynchus wagleri wagleri (Gray). Wagler's Oropendula. 

 [420.] Gymnostinops montezuma (Lesson). Montezuma Oropendula. 

 [421.] Cacicus microrhynchus (Sclater and Salvin). Small-billed Cacique. 



422. Cacicus vitellinus Lawrence. Lawrence's Cacique. 



Male, near Agua Clara on the Trinidad River, March 12, 1911. 

 Iris bright blue, bill light lemon-yellow, feet black. 



One of a flock that were building nests in a fair-sized tree on the 

 river bank. Many nests were under way, but none advanced enough 

 to judge of their size. 



423. Cassidix orizivora violea Bangs. Colombian Rice Grackle. 



Female, Gatun Lake, July 16, 1911. Iris buffy-yellow, bill and 

 feet black. 



Shot from a tree top; was alone. 



*[424.] Dolichonyx oryzivorus (Linnaeus). Bobolink. 

 425. Amblycercus holosericeus (Lichtenstein). Provost's Cacique. 



Female, Gatun, February 5, 1911. Iris very light yellowish- 

 brown, bill light greeni.sh-yellow, feet bluish-gray. 

 An inhabitant of the jungle. 



[426.] Leistes militaris (Linnaeus). Red-breasted Blackbird. 

 *[427.] Icterus spurius (Linnaeus). Orchard Oriole. 

 *[428.] Icterus galbula (Linnaeus). Baltimore Oriole. 



[429.] Icterus giraudii Cassin. Giraud's Oriole. 



430. Icterus mesomelas salvinii (Cassin). Salvin's Oriole. 



Three males, Gatun, February 18 (2) and 22, 1912; two females, 

 Gatun, May 14 and 28, 1911, and a male, Toro Point, August 4, 1912. 

 Iris brown, bill bluish-gray darker on culmen, feet grayish-blue. 



Found in wild banana thickets and in trees. 



[431-1 Megaquiscalus major macrourus (Swainson). Great-tailed Grackle. 



CORVID^. 

 432. Cyanocorax affinis zeledoni Ridgway. Talamanca Jay. 



Male, Gatun, January 1, 1912; another not in the collection was 

 secured August 13, 1911, at the same place. 



Found in the forest in small flocks, shy and hard to approach. 



