PLATE XL VII. 



Fig. A. Harpodon microchir (page 180). 



Tokio, The iJiiucipal figure is two-thirds the natural size. A', dentition of the upper 

 jaw; A", of the lower jaw, hyoid, and branchial bones ; A'", separate and cnlarge<l 

 views of one of the largest teeth. 



Fig. B. Bathypterois longifilis (page 185). 



Kermadec Islands, Station 170a; depth, 630 fathoms. Two separate views of the head 

 and one of the left ventral fin ai'e added. 



