39 3mi. S Tenango del Valle, 2600 m., Mexico, Mexico June 14, 1954 2442 ♂ Cypseloides niger Testi O 40.3 2443 ♀ "" " ovary Brood-patch? 40.0 2444 ♂ "" " T=O 38.4 2445 ♀ "" " Partiel B.Patch ova No O.L. 39.0 2442 2443 2444- Longer umoso areas 2445 15 mi. NNW Tacámbaro, 9000 ft., Michoacán, México June 16, 1954 2446 ♂?C. megalopterus iri blue-gray Sio ossification 28.2 2447 ♂ju" SNO iri pale blue-gray Feet & legs pale alba dull yellowish 29.9 2448 sex? ju" " " iri pale blue-gray SNO 28.3 2449 ♂ju" " T=a SNO iri sameas above 30.0 2450 ♂" " iri reddish brown-full T=O 33.4 2451 ♀ " No.O.L. ovary =winter No Brood-patch 29.7 2452 ♀ " " " iri orange-brown full - Brood-patch 29.7 2453 ♀" " ovary winter iri dull reddish brown-full 28.0 2454 ♂" T=O" iri orange brown- only ring not full 37.4 2455 ♂" " T=O Feet-legs: dull straw yellow atwist of green 30.8 2456 ♂.. " T=O 31.8 2457 ♂ Atlapetes pileatus SCO Testi=O 22.0 2458 ♂ Troglodytes brunneicollis SCO T=O 14.6