Y. HANEDA 



355 



Fig. 6. Photograph (top) of luminous squid, Stoloteuthis leucoptera, which 

 ejects a luminous secretion from its funnel when disturbed, with diagram of 

 parts (bottom). Left, a dorsal view. Right, the body cavity has been opened 

 to show the luminous organ ( L. O. ) with pores ( p ) . 



