1909.] 



OLFACTORY ORGAN OF TELEOSTEAN FISHES. 



637 



thus no doubt acts as an aspirator bulb to produce water currents 

 through the leaves of the olfactory rosette. 



Text-fis-. 205. 



N.S. 



PMX 



Opliiocepliahis niarulius. 



A. The left olfactoiy organ, from the side. 



B. The same, from above. 



C. Diagram of the olfactory laminae. 



