2 G. A. BOULENGER. 



5. NOTOTHENIA NICOLAI. 

 Boulenger, op. cifc. p. 184. 



Five specimens, measuring up to 100 millimetres. Winter Quarters, February and 

 March, 1902, and February, 1904. 



6. NOTOTHENIA SCOTTI. 



(Plate I., fig. 1.) 



Depth of l)ody five and a-half times in the total length ; length of head thrice 

 and one-third. Diameter of eye twice and four-fifths in the length of the head ; inter- 

 orliital width nine times ; maxillary extending to below the anterior border of the eye ; 

 lower jaw not projecting ; head densely scaled, except on the upper surface of the 

 snout. Gill-rakers short, eleven on lower part of anterior arch. Dorsal fin V, 32 ; 

 longest rays nearly half the length of the head. Anal fin 34 ; longest rays two-fifths 

 the length of the head. Pectoral fin rounded, three-fourths the length of the head, 

 reaching beyond origin of anal. Ventral also three-fourths the length of the head. 



Caudal fin rounded. Caudal peduncle as long as deep. Scales 56y^^ ; lateral lines — (?) 



18 



Brownish, with irregular darker spots, first dorsal fin, and a blotch on the posterior 

 part of the dorsal and anal, black. Total length, 115 millimetres. 



A single badly preserved specimen taken at a depth of 300 fathoms off" the Ice 

 Barrier, January 27th, 1902. 



7. NoTOTHENIA HODGSONI. 



(Plate I., fig. 2.) 



Depth of body four and one-third to five times in the total length ; length of head 

 thrice and a half to thrice and four-fifths. Diameter of eye thrice to thrice and a-half 

 in the length of the head, interorbital with thrice and a-half ; maxillary extending to 

 below the anterior third of the eye ; lower jaw not projecting ; interorbital region and 

 occiput naked. Gill-rakers long, 16 to 18 on lower part of anterior arch. Dorsal fin 

 VI-VII, 34-38, longest rays about half the length of the head. Anal fin 33-35, 

 longest rays about one-third the length of the head. Pectoral fin rounded, as long as or 

 a little shorter than the head, reaching beyond origin of anal. Ventral fin about three- 

 fourths the length of the head. Caudal fin truncate. Caudal peduncle as long as 



deep. Scales 90-95 ; lateral lines — — -, sometimes very indistinct. Brownish, 



Zo—oO 8—10 



with dark spots, which may form irregular vertical bars on the side of the body. 



The largest specimen, from the stomach of a seal (Sept. 30, 1903), measures 160 



