248 
Pratr VI. 
Fig. 22. Diagrammatic representation of the principal 
blood vessels and their distribution. The 
principal viscera are introduced into the 
figure in order to shew the distribution of 
the vessels only. Their space relations to 
each other are not accurately shewn. The 
intestine is represented for simplicity’s sake 
as a single coil. The hepatic portal system 
is not shewn, nor the distribution of the 
carotid arteries. The arteries are cross 
hatched, the veins are uniformly shaded. 
About natural size. 
Puate VII. 
Fig. 23. Reconstruction from serial sections of the 
cranial nerves of the ocular side. The two 
scales in this and other figures refer to the 
numbers of the sections. Sensory canals 
coloured green. Their sense organs and 
surface pores are numbered in each canal 
from before backwards. Eye muscle nerves 
cross striated. The numerals refer to the 
numbers of the cranial nerves. Note the 
relatively large size of the eyes in the young 
fish. The curve of the medulla shown in 
this figure does not exist in the adult, and is 
probably an abnormality. 
PratEe VIII. 
Fig. 24. Reconstruction of the left ear and auditory 
nerve seen from the inner or left side. This 
figure cannot be compared with fig. 23, the 
reconstruction being made on a somewhat 
