Fishes of the Western North Atlantic 



149 



bare spaces between/" erect, close-set, thorn-like, with recurved tips having a median ridge 

 along the anterior face, their bases large and corrugated. 



Figure 24. Cetorhinus maximus, from Long Island, New York (Amer. Mus. Nat. Hist.). A Gill folds and 

 gill rakers of one of the gill-arches, about V^ x. S Four of the gill rakers of same, with bases of the gill folds, 

 about 2 X. 



10. Radcliffe (Bull. U.S. Bur. Fish., 34, 1916: 248) gives an excellent illustration from a North Pacific specimen. 



