Nature . reconstructed skeleton of the iguanodon and itsallies, and also from the ponderous quadrupedal,long-necked, small-headed Diplodocus, Brontosaurus,and Cetiosaurus types of gigantic herbivorous with these latter, Triceratops was a quad-rupedal reptile of quite moderate size, the skeleton,according to the late Prof. Marsh, being not morethan 25 feet in length and 10 feet in height. Thepresent reconstruction by Mr. Gilmore still furtherreduces its length by the omission of six of the pre-sacral vertebrae (introduced by Prof. Marsh), so that,as now restored, its total len
Nature . reconstructed skeleton of the iguanodon and itsallies, and also from the ponderous quadrupedal,long-necked, small-headed Diplodocus, Brontosaurus,and Cetiosaurus types of gigantic herbivorous with these latter, Triceratops was a quad-rupedal reptile of quite moderate size, the skeleton,according to the late Prof. Marsh, being not morethan 25 feet in length and 10 feet in height. Thepresent reconstruction by Mr. Gilmore still furtherreduces its length by the omission of six of the pre-sacral vertebrae (introduced by Prof. Marsh), so that,as now restored, its total length is only 19 feet8 inches. The striking feature, which remains unchanged, isthe skull, which is fully 6 feet long, and is conse-quently just one-third of the entire length of theskeleton as now set up. Two powerful horn-cores of the bovine type, .?, feelin length, rise from the frontal boms ol the skull, atthe base of which are the round bony orbits. Thesnout is narrow and pointed, and carries a third. Skeleton of Triceratops /: 1 Proc. United States Rational Museim33-435, with plates i. and ii., 1005. NO. 1888, \OL. 73] smaller horn upon the nasal bone. Behind the pairof frontal horns is an immense frill of bone spreadingback over the occipital region and covering the firstsi\ cervical vertebrae; it was 2 feet 6 inches long and3 feet broad, resembling an immense Elizabethanruff, ornamented with about twenty-four pointedbosses ol bone along its border. The rostrum andpredentary bones were armed with pointed hornybeaks, the teeth being confined to the maxillary anddentary bones, forming a single series in each are remarkable as having two di-tin, 1 fangs,placed transversely in the jaw, with distinct sockets,and are displaced vertically; the teethcut their way between the alveolar margin and theadjacent root of the old tooth, or between the tworoots. Prof. Marsh had published a restoration ofthis dinosaur in 1891 (see Geol. Mag., plate vii.), thechief dif
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