558 
ALLIS. 
EXPLANATION OF PLATE XXXVIII. 
Fics. 29-33 illustrate still later stages in the formation of the primary pores; and 
Fig. 34, the first division of these pores. 
Fic. 
FIG, 
Fic. 
Fie. 
Fic. 
FIc. 
20. 
30. 
31. 
32. 
33- 
34. 
From a young Amia 35™™ long. 
From a young Amia 37™™ long. 
From a young Amia 40™™ long. 
From a young Amia 50™™ long. 
From a young Amia 54™™ long. 
From a young Amia 134™™ long. 
In Fig. 33, read 528 for 18. 
X 20. 
X 20. 
X 20. 
X 20. 
X 20. 
x 8. 
