P. 153, line 1: In the Bibliográfia mexicana of García Icazbalceta the statement was made that Bishop Agurto "founded at Zebú a hospital for sick persons of all nations and creeds, with such liberality that he gave up to it even his own bed, having been obliged to ask that another be lent to him at the hospital itself, on which he might sleep that night." (Vindel, Catálogo, no. 1462.) P. 164, note 26: After "Sanscrit" add "Sri Ayuddhya." At end, add the following: "See plan of Juthia in Bellin's Atlas maritime, iii, no. 51. It became the capital of Siam in 1350, and was destroyed by the Burmese in 1767. (The Siamese proper are the Thai--a word which probably means 'freemen'--who are a superior race.) This statement is made by O. Frankfurter, of the Siamese Foreign Office, in A. C. Carter's Kingdom of Siam (N. Y. and London, 1904), pp. 81, 82." P. 190, middle: In line 17, a better reading would be "front" for "face," apparently meaning the breast of the horse; and in next line omit "[a frontal]." P. 299, line 5: For "Ryos, a colonel" read "Ryos Coronel." (A similar correction should be made on p. 313, line 5.) See sketch of Rios Coronel, and description of his Memorial, by Retana in Vindel's Catálogo biblioteca filipina, pp. 349-354; he went to Filipinas in 1588, returned to Spain in 1605, and afterwards was in the islands from 1611 to 1618. P. 305, last line of description of map: After "Indias" insert "(est. 67, caj. 6, leg. 18)." See description in Torres Lanzas's Relación de los mapas de Filipinas. Retana calls this the earliest map of Luzón. P. 327, section 1: The order of the two pressmarks here given should be reversed. VOLUME X P. 47, last line: For "soldiers" read "Sangleys." P. 65, line 8: For "Lanao" read "Liguasan." P. 131, end: This document was probably written by Luis Perez Dasmariñas. P. 218, line 13: For "false musters" read "fictitious offices." P. 275, middle: For "twelfth" read "tenth." VOLUME XI P. 138: See Torrubia's account of the abandonment of La Caldera in 1599, and of the unusually large expeditions immediately afterward by the Moros against Panay (Dissertación, pp. 10-17). P. 152, line 8: For "Domingo de Rramos" read "on Palm Sunday." P. 221, line 2 from end: The Italian version of Vaez's letter makes this number "twenty-nine thousand" only. P. 270, middle: For "Babao" read "Ybabao." P. 288, end: Add "Signed by the Council." VOLUME XII P. 109, note 20, and p. 120, note 24: For explanation of this use of "Theatin" see VOL. XIX, p. 64. P. 131, paragraph 2, line 3: For "him" read "you." P. 165, middle: For "Rajaniora" read "Rajamora." P. 179, last line of note: For "Herrara" read "Herrera." P. 182, line 4 from end of note: Before "Tabacos" insert "de." P. 205, note: For "Paro" read "Jaro." Pp. 209-216: For "lagoon" read "lake"--the reference being to the lake of Bay.