*ARROYO MILLARD (Millard arroyo): Named in memory of S. C. Millard, aid and interpreter in the expedition of 1895 (died 1897). *ARROYO MARIANA (Mariana arroyo): Named in honor of Mariana (Papago Indian), a guard accompanying the 1895 expedition, who had once approached this arroyo on a hunting expedition. *ARROYO MITCHELL (Mitchell arroyo): Named in honor of John Walter Mitchell, photographer of the 1895 expedition. †POZO ESCALANTE (Escalante well): Generic Spanish, specific in honor of Sergeant Juan Bautista de Escalante, the first Caucasian to cross El Infiernillo (in 1700), who is reputed to have dug the shallow well still existing; the name has been retained ever since alternatively with “Agua Amarilla” (Yellow water); doubtless the “Carrizal” of certain early maps; the site of the only mission ever established in Seriland, and of the massacre of Fray Crisóstomo Gil in 1773. *POZO HARDY (Hardy well): Named in honor of Lieutenant R. W. H. Hardy, R. N., second known Caucasian visitor to the spot, 1826. *AGUAJE ANTON (Anton water, or water-hole): Generic a common Mexican term; specific applied in memory of Anton (Papago Indian), a guard and visitor to the spot in the expedition of 1895. *AGUAJE PARILLA (Parilla water): A traditional water (not found by the expedition of 1895) named in memory of Colonel Diego Ortiz Parilla, the vaunted destroyer of the Seri in 1749, whose imposing expedition may have reached this point. *BARRANCA SALINA (Saline gorge): Generic colloquial Mexican, specific denoting the character of the practically permanent water; the designation applied by Mexican vaqueros and Papago hunters, who occasionally visit the locality. *TINAJA ANITA (Anita basin): Generic a useful Mexican term for a water-pocket, or rock basin containing water supplied by storms or seepage; specific a tribute to Anita Newcomb McGee, M. D., Actg. Asst. Surg. U. S. A.; perhaps the “Aguaje de Andrade” of 1844. *TINAJA TRINCHERA (Entrenched basin): Specific a common Mexican term for the ancient entrenchments found on many mountains of Papagueria; applied in recognition of a few low, loose-laid stone walls about the tinaja, the only structures of the kind known in Seriland. RANCHO SAN FRANCISCO DE COSTA RICA: Name applied by the founder, Señor Pascual Encinas, about 1850. RANCHO SANTA ANA: Name applied by the founder, Señor Encinas, about 1870. RANCHO LIBERTAD: Name applied by the founder, Señor Encinas, about 1875.