U.S. NATIONAL MUSEUM 



BULLETIN 291. PLATE 7 



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Bathyteuthis bacidifera, a, paratype, and b-f, holotype, females, 37 mm ML, Elt. 34; 

 G, paratype, female, 34 mm ML, Elt. 54: a, Open mantle cavity; b, funnel component 

 of locking apparatus; c, mantle component of locking apparatus; d, nuchal cartilage; e, 

 funnel organ and valve; f, pore of funnel groove; g, gladius. 



