They were dense black,
hard and uncrushed, even better preserved and somewhat more complete
than the two fine skeletons of Allosaurus from Bone-Cabin Quarry, the
greatest treasures that this famous quarry had supplied. The great
carnivorous dinosaurs are much rarer than the herbivorous kinds, and
these three skeletons are the most complete that have ever been found.
In all the years of energetic exploration that the late Professor
Marsh devoted to searching for dinosaurs in the Jurassic and
Cretaceous formations of the West, he did not obtain any skeletons of
carnivorous kinds anywhere near as complete as these, and their
anatomy was in many respects unknown or conjectural. By comparison of
the three Allosaurus skeletons with one another and with other
specimens of carnivorous dinosaurs of smaller size in this and other
museums, particularly in the National Museum and the Kansas University
Museum, we have been able to reconstruct the missing parts of the Cope
specimen with very little possibility of serious error."
_Evidence for Combining and Posing this Mount._ "An incomplete
specimen of Brontosaurus, found by Doctor Wortman and Professor W.C.
Knight of the American Museum Expedition of 1897, had furnished
interesting data as to the food and habits of Allosaurus, which were
confirmed by several other fragmentary specimens obtained later in the
Bone-Cabin Quarry. In this Brontosaurus skeleton several of the bones,
especially the spines of the tail vertebrae, when found in the rock,
looked as if they had been scored and bitten off, as though by some
carnivorous animal which had either attacked the Brontosaurus when
alive, or had feasted upon the carcass.
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