294 



GIORNA RAY. 



Raja piorna. R. subrhombea fusca, suhtus alba, capiie Ulobo, 

 Cauda hnga, versus apicem utrinque tuherculata. 



Subrhomboid brown Ray^ white beneath, with bilobate head, 

 and long tail, tuberculated on each side towards the tip. 



Raja Giorna. Cepede. 4' 



Similar in general appearance to the two pre- 

 ceding : size very large : colour brown above, with 

 an olivaceous cast on each side; beneath white: 

 head large : horns or appendages blackish, longi- 

 tudinally striated, and marked v/ith eight rows of 

 tubercles : dorsal and pectoral fms shaped like an 

 isosceles triangle : tail thrice the length of the rest 

 of the animal ; smooth for about a fourth of its 

 length, and afterwards tuberculated on both sides : 

 length of the frontal appendages about a tenth 

 part that of the tail. An individual of this species 

 was taken near the coast of Nice, and described by 

 Signior Giorna of Turin. 



FABRONIAN RAY. 



Raja Fabroniana. R.falcatOTdilatatafusca, subtus albida, capite 



biloboj lobis pinmformibus. 

 FalciformTy- dilated brown Ray, whitish beneath,'with bilobate 



head, with fin-like lobes. 

 Raja Fabroniana. Cepede, 



Size very large : pectoral fins very narrow and 

 falciform : frontal processes long, moveable, and 

 in some degree resembling a kind of fms, composed 



