-A_. IPala.eich.th.yes_ 



Subord. Plagiostomata. 

 Fam. Rajidae. 



Gren- TisLJsi, Liu. 



Syst. Nat. cd. I'J, torn. 1, p. 'MK' (ITfifii. 



1. Raja hyperborea, Coll. 187S (n. sp.). 

 PI. I., fig. 1— -i. 



Jlaja Injperhorea, Coll. Forh. Vid. Selsk. Chra. 1878, No. 14, p. 7. 



Diagn. Snuden tihitklsd, af middels Lcengde; Snude- 

 sj)idsms Afsfand fra Øjef vdgjør ikke fuJdt det dohhelte af 

 Intero-yhiiahimmiets Bredde. Legemet noget bredere, end dets 

 Læugde fra Snudespidsen til Enden af de aceessoriske Getie- 

 rat/onsorgaiier. Halen forholdsvis kort, indeholdes 3 Gange 

 i Totalitet igden. Tcmtderne (Jios Hannen) s^yidse og slanke, 

 danne i Overkjeften omtrent 36, i Underkjæven 42 Tver- 

 rækker. Oversiden er ru, samt beklædt med større Tome; 

 Undeisiden' er glat. De større Bygtorne ere 6 i Antal : 

 Haletornene, der danne en enkelt Bcekke, ere 17. MeUem' 

 de 2 Dorsaler sidder en liden Torn. Farren oventil mørkt 

 graahrun, Undersiden hvid med store, lateralt-symmetriske' 

 Felter af Oversidens Farve. 



Localit. fra Nordh.-Exped. Havet vestenfor Nord- 



Spitsbergeii. 



Udmaalinger. 



Totallængde (Han) 518^ 



Legemets Længde til Spidsen af Hjælpegenita- 



lierne .* ... 390 



Den norske Nordliavsexpedition. Collett: Fiske. 



.A_- I^alæichih-yes. 



Subord. Plagiostomata. 

 Fam. Rajidæ. 



Gren- liaja, Lin. 



Syst. N.it. ed. 12, tom. 1, p. iiiO (1700). 



1. Raja hyperborea, Coll. 1878 (n. sp.). 

 Pl. I. fig. 1— •_'. 



Raja hyperborea, Coll. Forh. Tid." Selsk. Chra. 1878, No. 14, p. 7. 



Diagnosis. — Snonl ]}ointed, of modet-ate length ; distance 

 from end of snout to the orhit not quite double the tvidth of 

 the interorhital space. The trdnsversc diameter of the disk 

 someivhat 'greater than its length from the sUout to the ter- 

 mination of the accessory sexual appendages. Tlie tad coni- 

 paratively short, mie-third of the total length. Teeth (in the 

 male) sharp and slender-, about 36 transverse rmvs in the 

 ujyper and 42 in the louver jaw. The uppø- surface rough, 

 and armed witii spines; under surface smooth. Tlie larger 

 dorsal spines are 6 in number'; the tail is furmshed 

 with 17, in a single row: and a small spine occurs beftveen 

 the 2 dorsal fins. The colour of the upper surface is a 

 dark greyisJi brojvn, that of the under plain white, with 

 large, laterally^ymmetrical brown- patches. 



Locality (North Atl. Exped.): — The open sea. west 

 of the northern coast of Spitzbergen. 



Measurements. 



Total length (male) 518' 



Length of body to the termination of the acces- 

 sory sexual appendages 390 



