The White Shark.] OF ORKNEY. 175 



and instances have been given me of its being drove ashore 

 here. The most dreadful of all the shark-kind ; its mouth arm- 

 ed with terrible teeth, and these in vast numbers, so that no- 

 thing can escape it which is so unhappy as come within their 

 grasp. 



When these fall in with our fishermen's lines they make 

 vast havock among them, by devouring the fish ; and if they 

 happen to be caught on a hook, by twisting the lines to pieces, 

 or sometimes pulling them away with them. In a word, it is 

 a most destructive fish wherever it comes, but happily is but 

 seldom seen on our coasts. 



Species 4, The Lesser Dog-Fish. 



Lesser Rough Hound or Morgay, Rail Syn. Pise. 22. Wil. Icth. 64. Squa- 

 lus Catulus, Lin. Sys. 400. Ore. Daw- Fish, Brit. Zool. 90. 



THIS species is caught in small quantities on our coasts. 

 Like all others of the genus they seem to be migratory, but 

 stay longest with us of any of them, insomuch that, through 

 the whole summer, single fish may be caught with us. This 

 species is little valued either for eating or for oil, so that the 

 fishermen seldom give themselves much trouble about them. 



All the dog-fish bring forth their young alive, or at least 

 the greater part of them, some bringing more, others fewer at a 

 time : I have of these, cut out of the bellies of the dams, with 



the egg still hanging at them. This was in July, which makes 



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