of Human Monstrosity. 255 



m. View from above of a pair of united Ingrassial processes of opposite sphenoid 

 bones, under (m) passes the optic nerve. There is an open fissure in the 

 mid line. 



n. View of the same from below. 



o. Lateral view of the same. 



Plate 13. 



/. View of the intestines. 



K. View of the common basis of the skull. 



L. Map of the same. The portions of the occipital bones are all yellow : of the 

 temporal bones red: of the frontal bones brown: of the sphenoid bone, with 

 four great alae, and united ingrassial processes between two of those ala? on 

 each side, blue. 



Plate 14. 



The Circulating System. 



M Represents the bodies drawn asunder as far as possible, after the diaphragm has 

 been removed and the hearts separated. The bodies are in the plane of the 

 paper, the head and neck below that plane, a a, the inferior cava broken 

 off near the point of its entrance into the heart, as is the azygos of this body— 

 the Aorta of this body is from the other heart, &c. vid. page 9. The (Eso- 

 phagus, and the trachea of the lungs attached to the lower heart, are seen 

 passing in the space between the two hearts. 



-V. Shews the Arteries from the arch of the Aorta on one side— the veins, which form 

 the descending cava— portions of the ascending cava, and of the descending 

 aorta?. The two hearts are seen, and portions of the lung between them. This 

 is the same view as would be presented if the upper heart in Fig. M, were 

 turned down, to its proper position, and the head and neck raised 



