OF TILGATE FOREST. 
303 
lateral parapet by which the teeth are supported. 
The vertebra?, as before remarked, belong to the first 
or crocodilian ty])e ; and the ribs have the double 
termination of head and tubercle. The thigh bone, 
which is entire, is 2 feet 9 inches long, and exhibits 
an intermixture of the characters of Crocodile and 
Monitor. The coracoid hone (fig. f- }). 321.) is of 
a very extraordinary form ; and I shall describe it 
minutely, that we may hereafter be able to decide 
in what respects it approximates to, or differs from, 
the coracoid of the fossil skeleton now before the 
Society. This bone is nearly flat, slightly concave 
on one side and convex on the other ; thin towards 
its arched margin, but thick at its largest apoj)hysis; 
one edge is slightly curved, the other is strongly 
contracted in the middle ; it terminates in a point 
at one extremity, but on the other it is truncated, 
and divided into two processes. M. Cuvier re- 
marks, that the only bone with which it can be 
compared is the coracoid of a saurian : it is two feet 
long, which, admitting the proportions of a ]\Ioni- 
tor, gives a total length to the animal to which it 
belonged of 65 feet. I would here observe, that 
in the coracoid bones of all the recent saurians, 
there is a foramen near the neck for the passage of 
blood-vessels, and which is not observable in this 
fossil.* In the strata of Tilgate Forest we hav^e 
teeth of the same species of jMegalosaurus ; a femur 
identical with that figured by Dr. Buckland, and 
some other bones ; so that no reasonable doubt can 
* “ II y a toujoiirs un petit troii pour les vaisseaux, perce an col de 
I’os cntrc ses apophyses et sa facette glenoide.” — Oss. Foss. p. 290. 
tome V. 
