ANTARCTIC FISHES OF THE SCOTTISH NATIONAL ANTARCTIC EXPEDITION. 355 



(16) Notothenia mizops. 



Gtinth., " Challenger" Shore Fish., p. 16, pi. viii. fig. D (1880). 



Depth of body 4^ to 4f in the length, length of head 3f to 4. Diameter of eye 

 3 to 3| in the length of head, interorbital width about 15. Maxillary extending to 

 below anterior j or ^ of eye ; cheeks, opercles, occiput, and interorbital region scaly ; 

 9 to 13 gill-rakers on lower part of anterior arch. Dorsal IV-V, 35-37. Anal 33-35. 

 Pectoral f to % the length of head ; pelvics longer, reaching the anal. Caudal rounded. 

 Caudal peduncle deeper than long. 48 to 55 scales in a longitudinal series from above 

 base of pectoral to caudal, 33 to 38 in upper lateral line, which ends below posterior 

 part of dorsal ; lower lateral line without tubular scales. Body with 2 series of 

 large, partly confluent, irregular blackish spots ; cheek with 2 oblique stripes ; a 

 blackish spot on spinous dorsal ; vertical fins with or without series of dark spots. 



Kerguelen. 



Here described from the types, five specimens, 70 to 170 mm. in total length. 



(17) Notothenia nudifrons. 



Notothenia mizops var. nudifrons, Lbnnberg, Swedish South Polar Exped., Fish., p. 30, pi. i. 



fig. 2 (1905). 

 Notothenia mizops, Yaillant, Exped. Antard. Franfaise, Poiss., p. 30 (1906). 



Closely related to N. mizops, but occiput and interorbital region naked, fin- 

 rays usually more numerous (Dorsal IV- VI, 37-39. Anal 34-36), and scales smaller, 

 55 to 65 in a longitudinal series ; 11 or 12 gill-rakers on lower part of anterior arch. 

 Coloration of N. mizops. A water-colour drawing shows the fish reddish, the spots 

 dark brown. 



South Georgia ; South Orkneys ; Graham Land. 



Here described from nine specimens, 70 to 150 mm. in total length, from Station 

 325, Scotia Bay, South Orkneys, depth 9 to 10 fathoms (June 1903), from South 

 Georgia (Swedish Expedition), and from Graham Land (Paris Mus.). 



18. Notothenia marionensis. (PI. VIII., fig. 2.) 

 Giinth., " Challenger" Shore Fish., p. 17 (1880). 



Depth of body 5 in the length, length of head 3f . Diameter of eye 4 in the length 

 of head, interorbital width 10. Jaws equal anteriorly ; maxillary extending to below 

 anterior ^ of eye ; scales on upper half of cheek and opercles, on interorbital region and 

 occiput ; a transverse naked strip separating last from scales of nape ; 1 1 gill-rakers on 

 lower part of anterior arch. Dorsal VII, 29. Anal 27. Pectoral fin f , pelvic f the 

 length of head. Caudal rounded or subtruncate. Caudal peduncle deeper than long. 

 48 scales in a longitudinal series from above base of pectoral to caudal fin ; 35 in upper 

 lateral line, which ends below posterior part of dorsal ; 16 in lower lateral line. Body 



(ROT. soc. KDIN. TRANS., VOL. XLIX., 273.) 



