Cœlogenis paca. Páca. (Lingoa Geral).—This animal is generally abundant. It is nocturnal, and is much esteemed for its meat, which is the very best the country produces, being fat, delicate, and very tender.
Dasyprocta nigricans, Natt. Black Agouti. Cotía, (Lingoa Geral).—This species is found on the Rio Negro.
D. punctata? Yellow Agouti.—This is probably the common Amazon species.
D. agouti? Cotiwya. (Lingoa Geral).—A smaller species, very widely distributed. All are eaten, but the meat is rather dry and tasteless.
Cercolabes prehensilis. The Brazilian Porcupine.—This animal is scarce. It is eaten by the Indians.
Echimys——. Several species of these curious, spinous, rat-like animals are found on the Upper Rio Negro.
Cercoleptes caudivolvus. The Potto.—It is a nocturnal animal, and inhabits the banks of the Upper Amazon.
Nasua olivacea? Coatí.—Two species, the "Coatí" and the "Coatí mondi" of the Indians, are found on the Amazon.
Lontra Brasiliensis? The Brazilian Otter,—is abundant on the Rio Negro.
Galera barbara. Irára, (Lingoa Geral). Teeth, I. 6 / 6 C. (1—1) / (1—1) M. (4—4) / (4—4). This is a curious animal, somewhat allied to the bears. It lives in trees, and eats honey, whence probably its Indian name,—from Irá, in the Lingoa Geral, "honey."