88 30. C. Marsh—Notice of a new and Gigantic Dinosaur. 
Length (approximate) of next sacral vertebra_......-.. 280° ™™ 
Transverse diameter of posterior end ---..--..-------- 200 
Least transverse diameter of centrum---------.-------- 85° 
Distance between extremities of transverse processes -.. 680° 
Antero-posterior diameter of opening between transverse 
prccebece OF Bove vertebra ot leu 
PRR re OEE oe Prin ever ee cape eh Sew eed. oe 
Antero-posterior diameter (approximate) of shaft of femur 230° 
eR NN on oS ee ee Se <= =---, 950° 
These dimensions would indicate for the entire animal a 
described, the species may be called Titanosaurus montanus. 
It was perhaps a distant ally of the comparatively small 
much smaller carnivorous reptile of the same order, which 
Yale College, New Haven, June 20th, 1877. 
* This name Lelaps is preoccupied, having been used by Koch in 1835, and 
again by Walker in 1843, It may, therefore, be replaced by Dryptosaurus. This 
genus is allied to Megalosaurus, and is represented in American Cretaceous strata 
by several species, among them Dryptosaurus aquilunguis 
