On the ''^ Steypirey^f'''' of the Icelanders. 323 



AmpMcentrum^ sp. indet. 



Three nearly perfect specimens have been found, and nu- 

 merous mandibles exhibiting tuberculated plates. 



Pleur acanthus Icevissimus^ Ag. 



Several fine, interesting spines, in a good state of preserva- 

 tion, have occurred. 



Orthacantlius cylindricus^ Ag. 



Numerous large well-preserved specimens of this fish-spine 

 have been obtained. 



Ctenacanthus hyhodioideSj Ag. 



Five specimens have occurred, in a nearly perfect state of 

 preservation ; one specimen is eight inches long. 



LeptacanthuSj sp. indet. 



A spine or two, apparently belonging to this genus, have 

 occurred at Newsham. 



Cladodus mirabilis^ Ag. 



Numerous specimens of the teeth, frequently associated with 

 patches of dermal granules, have been found in several distant 

 localities. 



Pleurodus Rankmii^ Ag. 



Numerous specimens of the teeth have occurred. 



PoeciloduSj sp. indet. 



Numerous specimens belonging to this genus have been 

 found. 



PetaloduSj sp. indet. 



Several teeth have been procured from the Low-main shale. 

 Gosforth, Oct. 7, 1868. 



XXXIX. — On the Fin-Whale called ^^ Steyjnrey^r^'' hy the Ice- 

 landers (Balasnoptera Sibbaldii, Gray). By J. Reinhardt*. 



Since the time when (some twenty years ago) Eschricht's 

 researches on the northern whales had given an impulse to a 

 more accurate study of these gigantic animals, a considerable 

 number of different fin-whales have been stated to inhabit the 

 seas of northern Europe. Hitherto, however, it is chiefly 

 through the differences in their osteology that zoologists have 



* Translated from ' Videuskabelige Meddelelser fra den Naturhistoriske 

 Forening i Kjobenhavn " for 1867, Nos. 8-11. 



23* 



