115 
Depth of body 6 to 6 l/4 in the length, length of head 4 l/8 to 4 l/3. 
Diameter of eye 2 1/6 to 2 l/4 in length of head, interocular width 2 3/4 to • 
3, interorbital width about 6. D 0 rsal 10; origin nearer to end of snout than 
base of caudal, but nearer to adipose fin than end of snout. Anal 18 - 21; 
origin equidistant from base of caudal and insertion of pelvic or a little 
nearer the latter, 2 3/4 to 3 l/5 times as distant from end of snout as from 
base of caudal; length of- base nearly-6 times in that of fish. PeIvies 8 or 
9 rayed, inserted below middle of dorsal. 36 to 40 scales in a longitudinal 
series. (Norman.) 
Bat hylagus gracilis LBnnberg, ’71 os. 
Eathylagus gracilis Lonnberg, Wiss. Ergebn. Sohwed. Sttdpolar - E *ped., vol.6. 
No.6, 1908, p.68. S. 63 0 24 » W. 45 ° 40 ’, 2800 meters; S. 49 ° 56 1 
W. 49 56 ’, 2700 meters. - NORMAN, Discovery Rep., vol.2, 1S30, p. 276 
(S. 41 ° 43 ’ 20 " W. 42 ° 20 1 40 ", 2000 meters; S. 39 ° 50 * 30 " 
36 ° 23 1500 meters, S. 53 ° 26 ’ W. 55 ° 15 >, 1025 to 1275 metersj 
o 
S. 54 ° 51 i 24 " W. 31 ° 20 * 12 ", 750 to 1000 meters; S. 54 19 ’ 
30 " W. 30 ° 31 1 30 ", 780 to 1000 meters). 
Closely related to B. glacialis, but depth of body 7 to 7 l/3 in the length, 
length of head 4 ]/4 to 4 3/5. Diameter of eye about twice m length of head, 
interocular width about 4, interorbital width 6 l/2 to 7 l/2. Interorbital 
space deeply concave. Dorsal 10; origin equidistant from end of snout and 
adipose fin. Anal 19 - 20; origin 2 2/3 to 3 times as distant from end of 
snout as from base of caudal; length of base about 5 times in that of fish. 
40 to 44 scales in a longitudinal series. (Norman.) 
