74 



DISCOVERY REPORTS 



Notothenia brevicauda, Lonnberg. 



? Notothenia cyanobranchia (non Richardson), Vaillant, 1888, Miss. Sci. Cap Horn, vi. Zool., 



Poiss., p. 26. 

 Notothenia brevicauda, Lonnberg, 1905, Wiss. Ergebn. Schwed. Siidpol.-Exped., v (6), p. 6, pi. v, 



fig. 16; Regan, 1913, Trans. R. Soc. Edinb., xlix, p. 269. 

 Notothenia longicauda, Thompson, 1916, Proc. U.S. Nat. Mus., L, p. 445, pi. iv, fig. 1. 

 St. 56. 16. v. 26. Sparrow Cove, Port William, East Falkland Islands, ii cables N 50° E of 

 Sparrow Point. Small beam trawl, 10J-16 m.: 2 specimens, 105, 140 mm. 



Depth of body 4I to 5 in the length, length of head 3^ to 3§. Snout as long as or a 

 little longer than eye, diameter of which is 4J to 4I (in specimens of 120-155 mm.) 

 or 4 to 4! (in specimens of 85-120 mm.) in length of head; interorbital width 6 to 8. 

 Jaws about equal anteriorly ; maxillary extending to below anterior ^ of eye ; teeth in 

 bands, those of the outer row enlarged anteriorly ; upper surface of head (except snout 

 and praeorbital), cheeks and opercles covered with smooth scales ; 4 to 6 rows of scales 

 between the eyes ; scales absent across the occiput in the region of the occipital branch 

 of the lateral line system ; 16 to 19 gill-rakers on lower part of anterior arch. Scales on 





Fig. 34. Notothenia brevicauda. x §. 



body ctenoid ; 60 to 70 in a lateral longitudinal series ; 44 to 50 tubular scales in upper 

 lateral line, which ends 2 to 4 scales in front of caudal, 4 to 12 in lower lateral line. 

 Dorsal V 35-37; longest spine not more than f length of head; posterior rays of dorsal 

 and anal (in adults) overlapping the caudal when laid back. Anal 32-35. Pectoral 

 f to § length of head, as long as or a little shorter than pelvics, which extend to the 

 anal or not quite as far. Caudal rounded ; caudal peduncle | to more than f as long 

 as deep, its least depth about ^ (to |) length of head. Brownish or olivaceous; body 

 with irregular dark cross-bars, which may extend on to base of soft dorsal ; both dorsals 

 and caudal usually more or less dusky, the soft dorsal and caudal narrowly margined 

 with white ; anal usually darker, often nearly black ; pectorals yellowish ; pelvics dusky. 



Hab. Falkland Islands; Straits of Magellan: in shallow water. 



In addition to the above, Mr Bennett has sent one specimen (155 mm.) from Stanley, 

 and another (140 mm.) from near the beach, New Island, West Falklands, collected 

 by Mr Hamilton. There are also 8 specimens (85-180 mm.) in the British Museum 

 collection, from the Falklands, Puerto Bueno, Fortescue Bay, and Port Famine. 



N. longicauda was described by Thompson from 9 specimens, the largest no mm. 

 long, all but the holotype (78 mm.) being in a poor state of preservation. The type was 



