156 



LABYRrNTHODONTJA. 



36349. The posterior portion of a small cranium, with the counter- 

 part in matrix. The counterpart shows the under surface 

 of the anterior region of the cranial roof. 



Purchased, 1862. 



R. 1750. A split slab of sandstone showing the imperfect skull. 

 One piece shows the under surface of the cranial bones of 

 the parietal and occipital regions. A middle portion con- 

 tains the hinder region of the cranium. The lower slab 

 contains the pterygoids, the summits of the maxillary and 

 palatine teeth, and traces of the mandible. Purchased. 



R. 1751. Slab of sandstone showing the under surface of the anterior 

 half of the cranium. In the region of the muzzle the 

 bones of the palate, with the prem axillary vacuities and 

 posterior nares, are exhibited ; while behind the anterior 

 border of the palatal vacuities only the under surface of 

 the cranial roof remains. Purchased. 



42810 b. Slab of sandstone showing the dorsal aspect of the bones 

 of the palate. The muzzle is wanting, and the bones 

 remaining are imperfect. Purchased, 1871. 



30269. Slab of sandstone with the dorsal aspect of the bones of the 

 hinder half of the palate of a smaller cranium. 



Purchased, 1855. 



33068. Fragment of sandstone exhibiting the dorsal surface of the 

 hinder half of a nearly similar palate. The bone of part 

 of the right maxilla is broken away, and thus exhibits the 

 bases of the teeth. Purchased, 1858. 



36363. Part of a small cranium, exhibiting both the frontal and 

 palatal aspects. Purchased, 1862. 



36375. Fragment of sandstone showing the anterior portion of the 

 palate of a small individual. The specimen is broken off 

 near the anterior extremity of the palatal vacuities. 



Purchased, 1862. 



42810. Mass of sandstone showing a portion of a mandibular 

 ramus. Purchased, 1871. 



36369. Slab of sandstone showing the median plate (interclavicle) 

 of the thoracic buckler. Nearly all the sculpture is lost ; 

 in contour this specimen agrees with the larger example 

 figured by Burmcister, op. cit. pi. iv. fig. 2. 



Purchased, 1862. 



