24,0 'S'zV E. Home's Additions to an Account 



i. The opening of the pancreatic duct. 

 k. The spiral turns of the intestine. 



Fig. 2. The fringe at the termination of the oesophagus of 

 the natural size. 



Plate XVIII. 



The heart of the Squalus Maximus laid open. 



a a. A portion of the internal surface of the auricle. 



66. One of the venie cavae laid open. 



c. The valve between the auricle and ventricle. 



dd. The cavity of the ventricle. 



eee. The three rows of valves and the three intermediate 

 spaces, along which regurgitation takes place when the canal 

 of the artery is dilated. 



ff. The strong muscular covering of the artery. 



Plate XIX. 



A side view of the cerebellum, tubercula quadrigemina, and 

 nerves of the brain of the Squalus Maximus. 



3> 4> 5> ^> 7> 8. The different nerves going ofFfrom the brain 

 corresponding with those in the brain of man. 



a. Cerebellum. 



6 6. Two of the tubercula quadrigemina. 



c. A third tuberculum mutilated. 



Plate XX. 



A view of the upper surface of the cerebellum and nerves 

 of the Squalus Maximus. 



The nerves going off marked, as in the last Plate, beyond 

 which are two pair of nerves belonging to the spinal marrow. 



