from The Century Dictionary and Cyclopedia
- n. A remarkable genus of rock-wrens, belonging to the family Pteroptochidæ, and characteristic of the Patagonian subregion, where they represent the genus Pteroptochus of the Chilian. Like others of this family, they have the nostrils covered by a membrane; in general appearance and habits they resemble wrens. Two species are described, R. lanceolata and R. fusca. The former is 8 inches long, the wing and tail each 3¼, olivaceous-brown above, with the head crested and its feathers marked with long white shaft-stripes, the tail blackish, the under parts cinereous, whitening on the breast and belly, and a chestnut patch on each side; the feet are large and strong, in adaptation to terrestrial habits.
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