^{page 38 note 1} From the American Journal of Science, vol. iii, 1897.

^{page 38 note 2} Sillimau's Journal, vol. iii, p 56, januray; and p. 360, May, 1872.Google Scholar

^{page 38 note 3} “Odontornithes: a Monograph on the Extinct Toothed Birds of North America.” 4to, 34 plates; Washington, 1880.Google Scholar

^{page 40 note 1} Williston, , Kansas University Quarterly, vol. v, p. 53, 07, 1896.Google Scholar

^{page 40 note 2} Abstract read before the British Association, Section C (Geology), Toronto, 1897.

^{page 41 note 1} Bead before the British Association, Section C (Geology), Toronto, 1897.

^{page 42 note 1} DrMatthew, G. F., in a letter of November 5, 1897, expresses a “wish to withdraw Zepiditla, as not being a Crustacean; more perfect specimens seeju to show a fan-like structure of internal tubes.”Google Scholar