PLATE III. 



Fig. A. Bregmaceros macclellaiidii, adult, nat. size, Indian Ocean, a. Lower view of 

 thorax, to show arrangement of ventral rays ; a', portion of long ventral ray, 

 enlarged. 



Fig. B. Bregmaceros macclellandii, young, 1 5 mm. long, Indian Archipelago. 



Fig. C. Auchenoceros punctatus, adult, nat. size, New Zealand, c. Lower view of thorax, 

 to show ventral fins. 



Fig. D. Auchenoceros sp., young, 19 mm. long. Pacific. 



Fig. E. fRaniceps trifurcus, young, 25 mm. long. North Atlantic. 



Fig. F. Onus reinhardtii, young, 40 mm. long, Fgeroe Channel. 



Fig. G. Tngla macrodactylus, young, 16 mm. long, off the coast of Sierra Leone. 



