Sipilo fuscus 2 mi. S. of Mula, 5400 ft., Oaxaca, Mex. July 15, 1946 and I collected 2 a piece. Both of mine were taken as they perched well up in the candelabra cactus, although others were seen in the mesquite. The birds were very wild & hard to hunt. They uttered two notes, one a "sip - sip - sip," rather wiry, and quite a bit like petulans. The other was a loud, brubled "Che-rink," quite unlike any S. fuscus note I have ever heard. Other birds seen in the vicinity were Helodytes (brunnecapillus), mocking- birds, and green-backed goldfinches. Jura doves were also noted, + 1 Robin. These birds are apparently Dipilo (fuscus?) rutilus, at least they certainly conform to Ridgway's de- scription of that bird, of which I have never seen an example. It appears that Moore's S f. fori is merely the winter-plumaged rutilus found all through this area. These birds have several interesting features: - a). Reddish-brown iris; b). White superciliary stripe in varying degree; c). a definite tooth on the lower mandible; d). One bird shows a touch of yellow on the bend of one wing. The amount of orange on the side of the throat is variable, as is the black breast spot. The orange of the throat is flecked