18 



Mindeskrift for J. Stkenstrup. XXX. 



^^pis^^ln 



In these 12 specimens the number of the scapular spines is constant, 2 on each side. 

 Of the postorbital spines there are always 2 on each side, of the preorbital spines most 

 frequently 2, sometimes only 1 on each side. Three specimens have 18 spines along 

 the mid hne of the back and tail, the others have 14 — 16. Two specimens possess a 

 well-developed spine between the dorsal fms. 



During the "Tjalfe" Expedition Raja radiata was frequently obtained along 

 the stretch from Ilua up to Disko Bugt (59°55' — 69°17' N.). It was caught on lines 



in the following fjords: the fjord 

 at Ilua, Agdluitsok, Tunugdliarfik 

 (from the mouth right into Musar- 

 tuit). Bredefjord (with Kangerd- 

 luarsuk and Sermilik), Kvanefjord 

 S. of Frederikshaab, Godthaabs- 

 fjord (right into Kugssuk beyond 

 Kornok); the depths were 30 — 125 

 to 330 fm. Further, it was taken 

 with the trawl between Fyllas Bank 

 and the land (63°48' N., 52°23' W.) 

 at ca. 100 fm., in the middle of the 

 Davis Strait (66°45' N., 56°30' W.) 

 at ca. 200 fm., as also in the 

 Southern part of Disko Bay at ca. 

 150—230 fm. The Starry Ray 

 was very common especially in 

 the fjords round the settlement 

 Narssak^) in the district of Juliane- 

 haab, and up to 20 could be taken 

 on the long-line. The largest of 

 all the specimens taken by the Expedition was a male of 610 mm, whilst the largest 

 female measured 590 mm 2), The number of spines along the mid line of the back and 

 tail varied (in 44 specimens) from 13 — 19; sometimes also there was a spine between 

 the dorsal fms. The other large spines were only counted in 7 specimens, where there 

 were 2 scapular spines, 1 pre- and 2 postorbital spines, 



1) The Greenlanders at this place know ttiis fish well; they call it '' T ar alikis åk" . Ils abun- 

 dance here was also known already to Fabricius : "It lives in the southern deep fjords, especially 

 at Tunnudliorbik" (= Tunugdliarfik). 



2) The smallest specimen was only 109 mm long, taken at 69°17'N., 62°14'W., 227—234 fm; 

 behind the dorsal fins it has a taii-end of 16 mm (see note 2 antea p. 17). 



Fig. 4. Dentition of Raja radiata d (upper) and 9 (lower), 



natural size; the separate teeth magnified 3 diameters. 



From specimens from Bredefjord, north of Julianehaab in 



the south-western Greenland, 120— 200 fm. 



