1 8 EINAR LÖNNBERG, (Schwed. Südpolar-Exp. 



the middle of the caudal. The transversal diameter of the disk about equal to 

 interorbital width. Dorsal and anal fins rather high so that their vertical height at 

 the middle of the anal fin equals V4 of the height of the body at that place. They 

 are continuous with the caudal along half its length. Number of anal rays about 25. 

 In the dorsal about 25 rays can be counted, but in front it narrows to a low keel, 

 which probably contains 3 or 4 more short rays which cannot be counted, in con- 

 sequence of the thickness of the skin. Pectoral with 29 rays on one, 30 on the 

 other side; about 8 rays protrude enough to be called a fringe on the sides of the 

 disk. Vent close to posterior margin of the disk and in a distance from the origin 

 of the anal which fully equals the transversal diameter of the disk I'/j times. 



On the lower lip and extending on the opercle, there is on either side a series 

 of 6 pores; on the upper lip, almost on its lower surface, there are on either side 4, 

 on either side of the snout i, and a little higher up, halfway to the nostril, but with 

 a more median situation, again i on either side. This latter pair is the one men- 

 tioned above. Teeth very minute tricuspid with broadly spreading, truncate cusps 

 (see fig. 12). Vent near the posterior margin of the ventral disk. 



Both specimens milky white, the larger with some cloudy dusky spots on head 

 and upper part of the sides. 



The exact measurements of the larger and better preserved specimen are as 

 follows: 



Total length with caudal 74 '"™- 



Î without 5 64 > 



Depth of body 20 > 



Length of head without opercular flap 19 a 



Entire length of head 21 : 



Thickness » > 19 



Interorbital space 10 > 



Diameter of eye 3'5 ' 



Lenglh of snout 8 s 



Transversal diameter of disk 9,5" 



The dimensions of the eye compared with those of the snout and the inter- 

 orbital space of this specimen agree better with GarMAN's figures than with his de- 

 scription. The relation between the length of the body in front of the anal origin 

 and that behind the same of the present specimen and Garman's quoted figures is 

 almost identical. The height of dorsal and anal fins is considerably greater in the 

 present specimen than it appears to be in Garman's figure, in >vhich, for instance, 

 the vertical height of the anal at its middle is equal to only half the height of the 

 body at that place. The difference in this respect may perhaps be due to different 

 age as Garman's specimen appears to have been only half as large as the greater 

 of the present specimens. The less protruding snout of the latter may also be due 



