236 



HANS AUTER. 



April 1 3th in deep water (lines lowered to about 700 fathoms) off Enoshima, 

 Sagami -Sea 



Total length from tip of snout to insertion of caudal rays 123,8 cm. 

 Head from tip of snout to end of opercular flap as measured in projection, 

 6,75 ' n tota l length ; greatest depth of body, below insertion of first dorsal 

 ray, a little less than 7 ; length of body from tip of snout to anus 2,81 D 

 10 ; P 13, the middle rays branched ; V 1 and a rudiment ; A + C 107, of 

 which 10 may belong to the caudal. All fins with tips of rays free 



Scales discernible on the upper part of tail and on .sides of belly, those 

 in the former region very small, completely imbedded ; those on belly 

 superficial, concave, round, the diameter of the largest ones equalling that 

 of pupil. 



Snout about 2,6 in head, broad, high (distance from symphysis of 

 praemaxillaries to top 6,2 in head, 2,3 in length of snout) ; anterior 

 profile perpendicular. Mouth rounded anteriorly, moderate, its lateial cleft 

 moderately oblique, maxillary extending to below anterior rim of orbit ; 

 distance between the angles 2,4 in head ; distance from symphysis of 

 praemaxillaries to end of praemaxillary measured in a straight line 2,6 in 

 head, equals length of snout ; a slight, rounded, toothless knob developed 

 at symphysis of praemaxillaries. Postocular part of head 1,9 in head 

 Horizontal diameter of orbit 5,8, vertical diameter 6,2 in head, 1,1 in 

 horizontal diameter ; horizontal diameter of exposed part of eye 5,4, verti- 

 cal diameter 7 in snout, 1,3 in horizontal diameter. Interocular distance 

 nearly 2,5, distance of supraocular bony ridges (from outer side to outer 

 side) 4,2 in head; these ridges rounded above, their breadth 5 in their 

 distance just referred to. Postocular bone forming a blunt lateral 

 protuberance, without gelatinous layer. Distance between anterior nostril 

 and centre of posterior nostril 5 in snout. 



Belly well demarkated from tail by the interhaemal part of the latter 

 being abruptly compressed ; the posterior border about vertical. Vent 

 opening in a posterior direction almost horizontally. 



Length of pectoral fin nearly 1,5 in head, the middle rays the longest ; 

 base 4,2 in length. 



