KUNGL. SV. VET. AKADEMIENS HAND1.INGAK. HAND 40. N:u 5. 93 



Nototheiiia marioiiensis Gunther 1880. 

 (N. anguslifrons Fischer 1885.) 



A small specimen from Boiler Harbour, Cumberland Bay, »taken ont of the stomacli of a fish» caught 

 in thi.s Iocality. 



4 specimens from the same Iocality, caught in a deptli of 1 /,> — ;, /i m. the 16 ti of April 19u5. The 

 temperature of the water + 1 ° C. 



This species lived among the algse on the bottom, Sörling says, but tliey were 

 also often found lying openly on the clayey bottom, inside the kelp. .Compared with 

 the following sluggish species, tliey were very quick and difficult to catch, even with 

 implements. They vere coloured like the bottom, except for the dark bars, which 

 made them conspicuous when they moved. Otherwise they were difficult to see. 



Nototheiiia giblberifrons Lönnberg 1905. 



1 large male specimen caught in a depth of 3—4 fathoms, Boiler Harboui', Cumberland Bay Ja- 

 uuary 1905. 



This very easily recognizable species, which so well deserves its name, derived 

 from the hump in front of the eyes, appears to be quite a common fish at South 

 Georgia. The Swedish Expedition 1902 (10) had several specimens, but none so large 

 as this which measures 460 mm. in tot. length, or 402 mm. without caudal fin. It 

 is therefore of interest to compare the relative dimensions of this specimen with 

 those of the smaller ones recorded before by the present writer (10). 



/ii 



Length of head in % of tot. 1. without caudal 31, o 



Diameter of eye » » » » » 5,7 



Length of snout » » » » » » y,5 



Depth of caudal peduncle in °/o of tot. 1. without caudal ti, 2 



Length of pectoral fin » » » » » » 25, o 



» » ventral » » » » » v » 16,i 



Interorbital breadth in % of length of head 7,2 



These percentages agree on the whole very well with those recorded before. 

 The head is somewhat larger in this big specimen. The eye and the ventral fins 

 have continued to decrease in size relatively, as also the measurements taken before 

 indicated. The pectoral fins, which decreased with age in the former table of mea- 

 surements, have increased again to the same size as in the young specimens and 

 this is, no doubt, to interpret as a masculine characteristic. 



The lower side of the head, and gill membranes are almost unpigmented other- 

 wise the colour is as described before (10). 



N. gibberifrons is a sluggish bottom fish. Sörling often savv it in ehallow 

 water in a depth of about 1 m. or a little more. It remained motionless, even if a 

 small boat passed över it, and it could be touched with the oar before it moved. 

 But it could be caught with »pilk», a tin-fish with hooks. It was, however, not so 

 much estimated as food as the next species. 



