R.K.Selander, 1953 Helesdytes chiapensis 2 Tonala, Chiapas, Mexico Oct. 28 Main alula feather of left wing is old, that of right is unsheathed and short. Iri lighter, less red than # 164). Bill & legs 9 feet similar. Specimen 1642: Tail & coverts as in 1641. Dorsum behind 1641, head behind also, Entire underparts unsheathed. Right wing: Primaries: 10-8 old, 7 short - also its greater upper covert, 6 unsheathed a upper covert new, 5 unsheathed a little, other new. First row under primary coverts old but 2 unsheathed with old one between, 2 row all unsheathed with nine ones longest. Secondaries: 1 full new, 2-3 unsheathed, 4-6 old, 7 short, 8-9 new, several inner grad. sec. coverts unsheathed, under sec. coverts old, leading edge unsheathed, inner ones being longest. Alula old, its coverts unsheathed. Left wing: Primaries: 10-8 & upper coverts old, # 7 # covert (upper) unsheathed, 6-# unsheathed with full new upper coverts, rest complete new. Secondaries new: 152 unsheathed, 3 unsheathed, 4-6 old, 7 short 8-9 full. Under primary coverts similar to right wing but first inner few of first row unsheathed Alula short, unsheathed. Skull #1641 Skull #1642 unsymmetrical but think - northern as in true juveniles. I think these specimens are adult. The clear areas are not as clear as they are in juvenile birds.