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superiorly gibbous. This gibbosity is enlarged by the excessive 

 development of the extra-muscular gelatinous connective tissue, 

 which forms, immediately behind the head, a kind of strongly 

 compressed rounded lobe overhanging the posterior part of 

 the head. The gut is suspended like a frill on the under side 

 of the anterior third of the body. The small gillopenings are 



Fig. 209. Head of Leptocephalus mirabilis Brauer of 143 mm. length. K gillopening. 



situated ventrally. Eight laterally situated dark patches, formed 

 by submuscular chromatophores; irregular pigment spots along 

 the gut, a diffuse pigment spot near the end of te upper and 

 lower jaw. 



The single specimen was captured in the deep sea trawl, 

 hauled from a depth of 2477 M. in the Banda Sea, 6°4o' 6^' S., 

 123° 14' 7'^ E.! 



