Notes on Luvarus imperialis Raf., a fish new to the fauna of Norway. 
9 
ion 
Fig. 3. The first branchial arch on left side, outside view. 
(Nat. size). 
SA 
N 
PÅ N 
Fig. 4. The second branchial arch on left side, seen from the inside. 0. . 
parts of branchial filaments. 
(For the sake of clearness the bristlelike teeth on 
the gill-rakers are drawn in black). (Nat. size). 
Fig. 5. Left branchial arches, seen from the inside, showing pharyngeal 
dentition. Section through pharynx (in black) somewhat diagramatic. The 
arrow denotes the direction of passage for food. 
(Nat. size.). 
Figs. 3— 5. Luvarus imperialis. 
