lOO Journal of Comparative Neurology. 



Fig. 22. Lateral aspect of insula of a camel [Coiielus droinedan'us), male, 

 age 15 minutes, 2122; x I. The shaded portion at the right of the insular area 

 is a broken surface and does not belong with the insula. 



Fig. 23. Lateral aspect of the left insula of a deer (Cariacus virginiana), 

 male, age unknown, 961 ; x i. 



Fig. 24. Lateral aspect of the left insula of a Mexican burro {Eqtiiis 

 asimis), male, age unknown, 2259; x i. 



Fig.\2S. Lateral aspect of the left insula of a horse [Equus caballus), male, 

 adult, 2095 ; X i. 



Fig. 26. Lateral aspect of the left insular region of a cow [Bos iaurus), 

 adult, sex unknown, 3408; x I. Shows exposure of the insula. 



Fig. 27. Lateral aspect of the right insular region of a cow [Bos taiirns) 

 adult, sex unknown, 3408 ; x I. Shows exposure of insula before dissection. 



Fig. 28. Dorso-lateral aspect of the right insula of the same, exposed by 

 cutting away the operculums. 



PLATE XIIL 



Fig. 2g. Dorso-lateral aspect of the left insula of the same after dissection. 



Fig. 30. Lateral aspect of the cephalic half of the left cerebrum of 

 a cow [Bos taurus), after Turner (Gl, Fig. 26). The fissure marked S, which 

 Turner considers as the Sylvian, is the transinsular ; the Sylvian is directly 

 dorsad. 



Fig. 31. Lateral aspect of the left cerebrum of a Malayan tapir [Tapirus 

 nialayamts), age and sex unknown, 2123; x i. Dorsal portion of the cerebrum 

 not shown ; insula exposed by removal of overlapping parts. 



Fig. 32. Lateral aspect of the left cerebrum of a sheep [Ovis aries), sex 

 and age unknown, probably young; x I. Shows the insula exposed before 

 dissection. 



Fig. 33. Dorso-lateral aspect of the right insula oi z. %\\tt^ [Ovis aries) , 

 sex unknown, probably young ; x i. Insula exposed by cutting away dorsal 

 overlapping portions. 



Fig. 34. See description under Plate XL 



Fig. 3^. Lateral aspect of the insula of a Porpoise [Globicocephaliis melas), 

 female, adult, 670; x l. Insula exposed by cutting away of the operculums. 

 Sy. f. designates the basisylvian fissure between the temporal and frontal 

 lobes. 



