0. C. Marsh on a new fossil Serpent from New Jersey. 397 
indicate an animal about thirty feet in length. If the coracoid 
_ found near them belongs to the same skeleton, the body was re- 
markably slender, and the fore limbs possessed comparatively 
little power. 
terior two-thirds of the centrum. The diapophyses pass off 
horizontally, their upper flat surfaces being nearly in the same 
plane as the floor of the neural canal. At their extremities 
there is an articular face which is subtriangular. These verte- 
bree are all much more depressed than those of Macrosaurus 
levis Owen, or M. validus Cope, and indicate an animal smaller 
than either of those species, probably twenty-five or thirty feet 
m length. The remains were found at Hornerstown, New Jer- 
sey, by Mr. Meirs, at the same locality as those described above. 
Yale College, New Haven, Conn., Oct. 20th, 1869. 
Art. XL. Description of a new and gigantic fossil Serpent 
q (Dinophis grandis), from the Tertiary of New Jersey; by Pro- 
. fessor O. OC. MarsH of Yale College. 
