Published online by Cambridge University Press: 01 May 2009
The huge horned Dinosaurs, from the Cretaceous, recently described by the writer, have now been investigated with some care, and much additional light has been thrown upon their structure and affinities. A large amount of new material has been secured, including several skulls, nearly complete, as well as various portions of the skeleton.
Abstract of a paper read before the National Academy of Sciences, Philadelphia, November 14, 1889.
2 American Journal of Science, vol. xxxvi. p. 477, 12, 1888; vol. xxxvii. p. 334, April, 1889; and vol. xxxviii. p. 173, August, 1889Google Scholar.