cap. xiii, de cetis pp. 279-280; cap xiv, de ceto dentato, balena, monocerote, pp. 280-287; cap. xv, de delphino, pristis, phoca, rosmaro, pp. 288-290; skull of narwhal figures, three views and a view of the tusk, pp. 283-285, also a grotesque figure of the animal p. .282. cap. xiii, de cetis consists mainly of a brief description of whaes conmtained in the Icelandic manuscript, "Speculum Regale.