Plate VIIL— Teleostomi. 



A, The Sturgeon; '£, the Crucian carp; C, the eel; D a scales on the skin of a 

 whiting, in surface view ; E, the same in section. 



der.f Dermis ; epid. t epidermis ; m., mouth ; #c.f. t pectoral fins ; pl.f.<, pelvic fins ; 

 sc. t scales ; set., bony plates or scutes. 



