EXPLANATION OF PLATE XVI. 
Soft fin of Adiposia, etc. 
Fic. 1.—Vertical section of soft fin of Adiposia macmahont, 
stained with haematoxylin, x 60. 
2.—Part of the lateral region of the same preparation, 
X 200. 
3.—Vertical section of the dorsal fold (behind the dorsal 
fin) of a post-larval Nemachilus evezardi 1 cm. 
long, stained with haematoxylin, X 200. 
4.—Part of the lateral region of the same preparation, 
X 300. 
5.—Part of the lateral region of a vertical section of the 
soft fin of Glyptosternun sp. (fam. Sisoridae, 
suborder Siluroidea), stained with haematoxylin, 
x 80. 
6.—Part of the same preparation, X 200. 
EXPLANATION OF LETTERING. 
a=vacuolated tissue. b=epithelial region. c=fibrous connective tissue. 
d=large blood-vessel. d'=small blood-vessel. e=dorsal muscles. f=gland- 
cell. g=pigment-masses. g/=dendritic pigment-cell. i=unstriped muscle cells. 
