17 April '81 Biemega Station 5904 217 Helmintostaphyga luciai 7.3x6.7 ♀ 5905 218 Ditto 4.1x6.6 ♀ 5906 219 Berthilypis trichas 5.7x6.9 ♂ I. brown, Bill black, bluish underneath Legs pale brown. Abundant along streams. Insects 5907 220 Pyrocephalus var. mexicanus 6.9x8 ♂ 5908 221 Myioides fusciilis [illegible] 4.7x6.5 ♂ I. brown, Bill dark above, pale brown below. Legs brown. Common in Willows and underbrush along streams. 5909 222 Hydrochilidon fusipes 9.6x23.9 ♀ I. dark brown. Bill and legs black This one and three others were flying over the marsh. Not common. Larvae catch an insect on the wing like a Flycatcher. 5910 223 Pipilo foxi chloronius 7.8x11.2 ♂ Drove half way to Tucson in the afternoon.