Some apparent but no decisive affinities between the Otomi of Mexico and the Tinné or Athapascan dialects are shown in ([55]); and in ([59]) the ancient Guetares of Costa Rica are proved, on linguistic evidence, to have been members of the Talamancan linguistic stock.
The Matagalpan is an interesting family, first defined in The American Race, and in ([60]) more fully discussed, as they survive in San Salvador.
In ([61]) some unpublished vocabularies from the tribe of the Ramas, on the Mosquito coast, place them as members of the Changuina stock, most of whom dwelt on the Isthmus of Panama.
IV. South American and Antillean Languages.
62. Remarks on the MS. Arawack Vocabulary of Schultz. In Proceedings of the American Philosophical Society, 1869.
63. The Arawack Language of Guiana in its Linguistic and Ethnological Relations. In Transactions of the American Philosophical Society, 1871.
64. Studies in South American Languages. pp. 67. In Proceedings of the American Philosophical Society, 1892.
65. Some words from the Andagueda dialect of the Choco stock. In Proceedings of American Philosophical Society, November, 1897.
66. Vocabulary of the Noanama dialect of the Choco stock. In Proceedings of the American Philosophical Society, November, 1896.
67. Note on the Puquina Language of Peru. In Proceedings of the American Philosophical Society, November, 1890.