PLATE XL. 



Fig. A. Mavnu'ua armutus (page 150). 



South Pacific, iii 400 to 2425 fathoms. The figure is taken from a specimen from Station 

 147 ; depth, IGOO fathoms, a represents a magnified scale of a normal specimen, 

 «' that of an albino. 



Fig. B. Macruriin affinis (page 151). 

 Month of the Rio di' la Plata, Station 323 ; depth, 1900 fathoms, b, magnified view of 

 a scale. 



