42 PROCEEDINGS OF THE NATIONAL MUSEUM vol. 74 



Chanchan and Chiguancay Rivers, 4; Pedregal. 1; Chimbo, 2 (in- 

 termediate) ; La Puente. 2; Las Pinas, Alamor Range, 1: Zariima, 1; 

 Rio Jiibones. 1. Peru: Paletillas (1.550 feet), Pima. 8: Palambla 

 (3,900-6,500 feet), Piura, 6; Milagros (2.200 feet), Piura. 1- 

 Total. 94. 



BASILEUTERUS FRASERI OCHRACEICRISTA Chapman 



Bamleuterus chrysogastcr (not Sctophaga chrysogasicr von Tschucli) 



ScLATER, Proc. Zool. Soc. London, 1800, p. 273 (Babahoyo, Ecuador) ; 



Proc. Zool. Soc. London, 1865, p. 2S4, part (refs. ; diag. ; range). 

 Basilcuterus fraseri von Berlejpsch and Taczanowski, Proc. Zool. Soc. 



London, 1883, p. 541, part (Guayaquil. Ecuador). — Sclateb, Proc. Zool. 



Soc. London, 1883. p. G53. part (Babahoyo, Ecuador). — Sharpe, Cat. 



Birds Brit. Mus., vol. 10, 1885, p. 304, part (Babahoyo, Santa Rita, and 



Balzar, Ecuador). — Taczanowski and von Berlepsch. Proc. Zool. Soc. 



London, 1885, p. 120. part (range). — Salvadori and Festa, Boll. Mus. 



Zool. ed. Anat. comp. Torino, vol. 15. No. .357. 1800. p. 0. exd. syn. part 



(Vinces, Ecuador; refs. ; crit.). 

 Basilenterus fraseri ochmcekrista Chapman. Amer. Mus. Nov. No. 18, 1021, 



p. 11 (Chone [type locality], Guayaquil, Puna Island. Balzar, Santa Rita, 



Babahoyo. and Naranjito, Ecuador ; orig. descr. : type in coll. Amer. 



Mus. Nat. Hist.). 



SuhspeelfiG characters. — Similar to Basileuterus fraseri fraseri^ but 

 vertical spot Mars orange instead of bright yelloAv. at least super- 

 ficially. 



Measurements. — Male (five specimens) : AYing, 67-70 (average, 

 69); tail, 55-61 (58.5); bill, 11-12.5 (12); tarsus, 21.5-23 (22). 

 Female (four specimens) : Wing, 57-65 (62) ; tail, 52-55 (53.5) ; bill, 

 11-12 (11.2) ; tarsus, 22-23 (22.5). 



Range. — Arid Tropical Zone of western Ecuador, from the Prov- 

 ince of Manavi south to Puna Island. 



Retnarks. — In separating this race from typical yraseri Doctor 

 Chapman calls attention to iho, constancy of its characters in the 

 Guayaquil region of Ecuador, intermediates coming from the edge 

 of the forest region. In allocating the series examined I have relied 

 very largely u])on the characters shown by the individual specimens, 

 aside from the localit3\ The race seems clearly entitled to recogni- 

 tion in spite of such discrepancies. 



Specimens examined. — Guayaquil. 3: Bucay. Guayas. 4: Chon- 

 concito, Guayas, 2; Chongon Hills, 2; Chimbo. 1; Chone, Manavi, 4 

 (including the type). Total, 16. 



BASILEUTERUS FLAVEOLUS ^Baird) 



Muscicupa hivittaia Lafresnaye and D'Orbigny, Syn. Avium, pt. 1, Mag. 

 Zool., cl. ii, 1837, p. 51, part (Yungas, Chiquitos, Bolivia; descr. female). 



Myiothlypis flaveolus Baikd. Rev. Amer. Birds. 1865. p. 252. note (Paraguay; 

 orig. descr.; type in coll. U. S. Nat. Mus.). — von Pelzeln, Orn. Brasilieus, 

 pt. 2, 1868, p. 72 (Rio das Podras, Porto de Rio Parana, Goiaz. and Matto 

 Grosso, Brazil; crit.). — Goeldi, Aves Brasil. 1804, p. 269 (local range). 



