Dawson—New Carboniferous Batrachians of Nova Scotia. 448 
connecting parts, had slid down the slope of silt from one side 
toward the center of the space. Next, after a few inches of 
filling, came a specimen of Dendrerpeton Acadianum Owen, 
whose bones lie along the center of the layer and nearly in one 
plane. Above this a large flake of bark had fallen in, forming 
an imperfect floor over the remains. Then, after an inch or 
Dendrerpeton. Taking these specimens in the order above 
given, we may notice the new facts which they have disclosed 
on a preliminary examination. 
2. Remains of Hylerpeton. 
on its structure. It had at least twelve teeth in each ramus 0 
the mandible, and they are large in proportion to the size of 
the animal, bluntly conical and somewhat acuminate, and 
faintly striate at the apex. The vomerine bones are beset with 
humerous small blunt teeth. The skull is long, and its bones 
indi d strong, the 
icate a short tail. The limbs were large and strove tet 
ris short and biconcave, and with large dorsal 
lly was protected by numerous imbricated 
