two South American species considered here both 

 have patterns of dorsal saddles somewhat resem- 

 bling those in Scyliorhinus and from this feature 

 can be readily separated from Apristwrus. They 



have no caudal crests and so differ from Gateus. 

 They differ from Schroede?-u;hthys in having 

 caudal trunk sections somewhat shorter, in having 

 much longer and more prominent labial folds, and 



I'k.i its 26. — A, Halaclitritx chilensis (Miiller and Henle), an immature male collected at Coquimbo Ray, at lat. 

 29°56' S., on the coast of Chile (the pelvic tin of this specimen has heen damaged) : B, Halaelurus 

 bivius (Guichenot), collected near Puerto Montt. Chile, at lat. 41°54' S. 



616 



U.S. FISH AND WILDLIFE SERVICE 



