PLATE 2 
EXPLANATION OF FIGURES 
7 Acanthias 3.7 cm. Transverse section, passing through the bulbus 
olfactorius. 
8 Acanthias, 3.7 em. Transverse section through the lateral part of the 
pallium. 
9 Acanthias, 4 cm. Transverse section taken before the foramen monrol. 
10 Acanthias,4 cm. Transverse section a little behind the front part of the 
foramen monrol. 
11 Acanthias, 5 em. Transverse section taken through the rostral part of 
the hemispheres. 
12 Acanthias, 5 cm. Transverse section taken somewhat behind the section 
figured in figure 11. 
