^{page 25 note 1} Zeitschrift der deutschen geolog. Gessellschaft, 1865, p. 338.Google Scholar

^{page 25 note 2} Boston Society of Natural History, Vol. i. p. 81.Google Scholar

^{page 25 note 3} Beiträge zur Paläontolgie der Jura-und Kreid-formation, 1866.Google Scholar

^{page 26 note 1} See Vol. iii., p. 175.Google Scholar

^{page 26 note 2} Bullet de l' Acad. Roy de Belgique, 2 me. série tomes xxi and xxii, 1866.Google Scholar

^{page 26 note 3} See Description of a visit to the Caverns, etc., of the Valley of the Lesse, by Sir Guise, W. Vernon, Bart., , and the Rev. Symonds, W. S.. Geol. Mag., Vol. III., No. 30, p. 564.Google Scholar