NERVOUS SYSTEM. VERTEBRATA. 343 



There is a large vertical Ungulate pseudosylvian sulcus 

 placed high up on the lateral wall of the hemisphere 

 (fig. 197, 8) ; its lower extremity joins a short posterior 

 ectosylvian sulcus and a long horizontal anterior ecto- 

 sylvian sulcus continuous with the orbital. These ecto- 



Fig. 197. (xf.) 



SUUQ.SUPRAS. 



SULC.OBL. 



RH,N.F. 



sylvian sulci are far removed from the rhinal fissure, 

 from which a Y-shaped feline pseudosylvian sulcus S' 

 ascends through the Sylvian depressed area, and is sur- 

 rounded by a small arc formed by the two ectosylvian 

 sulci. 0. C. 1328. 



Hunterian. 



D. 499. A dissection of a brain of a Calf (Bos taurus), to show 

 the relations of the optic tract. 0. C. 1328 A. 



D. 500. The brain of a Calf (Bos taurus). 0. C. 1328 B 6. 



D. 501. A cast of the cranial cavity of an Ox (Bos taurus). 



D. 502. The brain of an Indian Ox (Bos indicus). 0. C. 1328 B a. 



D. 503. The right half of the brain of an Indian Ox (Bos indicus). 



0. C. 1328 B. 

 D. 504. The brain of a Bison (Bison europceus) . 



This closely resembles the brain of the Ox. 



0. C. 1328 c. 



