546 BULLETIN 100, UNITED STATES NATIONAL MUSEUM. 



TabJe of measurements in hundredths of length to anus. 



Eastern 

 Luzon. 



Japan. 



Albatross station 



Total length in mm 



Length to anus in mm 



Length of head 



Length of orbit 



Width of interorbital 



Width of suborbital 



Orbit to preopercle 



Length of snout 



Leant h of upper jaw 



Length of barbel 



Depth of body 



Width of body 



Anus to anal ." 



Anus to ventral 



Ventral to isthmus 



Length of first dorsal base 

 Interdorsal space 



5 1 15 



170+ 



36 



92 



36 



28 



13 



39 



26 

 .37 



10 



62 



32 



17 



12 



30 



22 



33 



Type. 

 340+ 

 80 

 85 

 30 

 28 

 10 



38.5 

 21.5 

 35 

 4 

 63 

 36 

 11.5 

 11.5 

 28 



22.5 

 37 



113 + 

 30 

 90 

 41 

 29 

 12 

 37 



38 

 4 

 62 

 28 

 13 

 13 

 26 

 22 



(misakius, from the type locality.) 



58. 



VENTRIFOSSA NIGRODORSALIS, new species. 



Type-specimen. — Cat. No. 83627, U.S.N.M.; 214 mm. long, 45.5 

 mm. to anus; Albatross station 5502, off the northern coast of Min- 

 danao; depth, 214 fathoms. 



List of pardtypes. 



