488 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 2 



PLATE 46 



Fig. 103. Parahemiurus merus from Optsthonema libertate. Dorsal view 

 to show extent of dentlculations. 



Fig. 104. Parahemiurus ecuadori from Anchoviella sp. Semiventral view. 



Fig. 105. Elytrophallus mexicanus from Lutianus <viridis. Ventral view. 



Fig. 106. E. mexicanus. Diagram of terminal reproductive organs. 



Fig. 107. E. mexicanus from Paranthias furcifer. Thin-walled portion of 

 sinus sac showing the coiled penis-like sinus. 



Fig. 108. Mecoderus oligoplitis from Oligoplites saurus. "Ventral view of 

 anterior end of body showing oral lobes and esophageal diver- 

 ticulum. 



