PART IV.--A Complete Mosasaur Skeleton. By Henry Fairfield Osborn. Pp.

165-188, pll. xxi-xxiii, and 15 text figures. October 25, 1899.

New West Indian Spiders Bulletin of the AMNH, Vol. XXXIII, Art. XLI, pp. 639-642 · 第 3 / 7 章