560 
ALLIS. 
EXPLANATION OF PLATE XXXIXx. 
Fics. 35-38, illustrate the formation of the Jateral-line canal; and Fig. 39 shows 
the primary pores replaced by a group of pores in each scale. 
Fic. 
FIc. 
Fic, 
Fic. 
Fic. 
35: 
36. 
37: 
38. 
39: 
From a specimen 30%4™™ long. 
From a specimen 35™™ long. 
From a specimen 40™™ long. 
From a specimen 60™™ Jong. 
From a specimen 69°™ long. 
Natural size. 
X 40. 
X 40. 
X 40. 
X 20. 
