HABITS. This handsome and rather recent addition to our fauna is a Northern Mexican species, which extends north to the valley of the Rio Grande and into Texas, from various localities in which it has been procured. Lt. D. N. Couch, who found this species common from the Lower Rio Grande to the Sierra Madre, speaks of the strong mutual attachment shown by the sexes. He describes its song as soft and melancholy, and the notes as resembling _peut-pou-it_. The sweetness of its notes renders it a favorite as a caged bird. In the State of Vera Cruz this bird is given by Sumichrast as inhabiting the temperate regions, and as there having exclusively their centre of propagation. They are very common in the district of Orizaba, where they breed. Their common name is _Calandria_, a name also given, without discrimination, to four or five other species of _Icteri_ common in Vera Cruz. Mr. Pease, in 1847, observed either this species or the _melanocephalus_ at Jalapa, and in the neighborhood of the city of Mexico, in considerable numbers. This bird was first described and brought to notice as belonging to our fauna, by Mr. Giraud, in 1841. Since then, Mr. John H. Clark, zoölogist on the Mexican Boundary Survey, obtained several specimens from the Lower Rio Grande. It was first seen by him near Ringgold Barracks. It was not abundant, and its quiet manners and secluded habits prevented it from being very conspicuous. It was most frequently observed by him feeding on the fruit of the hackberry, but whenever approached, while thus feeding, it always showed signs of uneasiness, and soon after sought refuge in some place of greater concealment. Usually pairs were to be seen keeping close together, apparently preferring the thick foliage found on the margin of ponds, or in the old bed of the river. They did not communicate with each other by any note, and Mr. Clark was struck with their remarkable silence. Their habits seemed to him very different from those of any other Oriole with which he was acquainted. From the papers of Lieutenant Couch, quoted by Mr. Cassin, we learn that these birds were seen by him, March 3, at Santa Rosalio, eight leagues from Matamoras. They were in pairs, and both sexes were very shy and secluded, seeking insects on the prickly pear, or among the low mimosa-trees, seeming to be never at rest, but ever on the lookout for their favorite food.