CHECK-LIST OF NORTH AMEKICAN FISHES. 215 



Genus 19. GALEUS Rafinesque. 



Galeus Ratiiiesqne, Caratteri Alcuui Niiovi Generi, 13, 1810 (mustelus, etc. ; the 

 intended type ia apparently Squalus galeus L., though that species is not 

 mentioned by name). 



32. Galeus dorsalis (Gill). 



Panama and neighborini!,- waters, north to the Gulf of California. 

 Mustelus dorsalis Gill, Proc. Ac. Nat. Sci. Phila. 1864, 149, Panama. 



33. Galeus californicus (Gill). 



California, north to San Francisco. 



Mustelus californicus Gill, Proc. Ac. Nat. Sci. Phila. 1864, 148, San Francisco. 



Genus 20. RHINOTRIACIS GiU. 

 Rhinotriacis Gill, Proc. Ac. Nat. Sci. Phila. 1862, 486 (henlei). 



34. Rhinotriacis henlei Gill. 



Coast of California, from Humboldt Bay to Monterey ; rather rare. 

 Rhinotriacis henlei Gill, Proc. Ac. Nat. Sci. Phila. 1862, 486, San Francisco. 



Genus 21. TRIAEIS Miiller & Henle. 



Triahis Miiller & Henle, Magazine of Natural History, u. .s., ir, 1838, 36. 



35. Triakis semifasciatum Girard. Cat Shark; Leopard Shark. 



Cape Mendocino to San Diego; common. 



Triakis semifasciatum Girard, Proc. Ac. Nat. Sci. Phila. 1854, 196, Presidio de San 

 Francisco. 



Genus 22. GALEORHINUS Blainville. 



Galeorhinus Blainville, Bull. Sci. Philom. 1816, 121 (galeus). 



36. Galeorhinus zyopterus Jordan & Gilbert. Oil Shark; Soup-fin Shark. 



Coast of southern California, from San Francisco to Cerros Island; very 



abundant. 

 (ialeorhinus zyopterus Jordan & Gilbert, Synopsis, 871, 1883, San Pedro, Cal. 



Genus 23. GALEOCERDO Miiller & Henle. 



Galeocerdo Miiller & Henle, Plagiostomeu, 59, 1838 (iigrinus). 



37. Galeocerdo tigrinus Miiller & Henle. Tiger Shark ; Alecrin; Tigrone. 



Tropical seas; not rare; occasionally northward to Cape Cod and to San 



Diego. 

 Galeocerdo tigrinus Miiller & Henle, Plagiostomen, 59, 1838, Pondichery. 



Genus 24. PRIONACE Cantor. 

 Prionace Cantor, Malayan Pishes, 399, 1850 (substitute for Prionodon). 



38. Prionace glauca (Linnteus). Great Blue Shark. 



Warm seas, occasionally taken on our coasts ; more common in Europe. 

 Squalus glaucus Linnaeus, Syst. Nat., ed. x, 235, 1758, seas of Europe. 



Genus 25. CARCHARHINUS Blainville. 



Carcharhinus Blainville, Jour. Phys. 1816, 264 (commersoni). 



Subgenus PLATYPODON Gill. 



Platypodon Gill, Ann. Lye. Nat. Hist. N. Y. 1861, 401 (menisorrah), 



39. Carcharhinus obscurus (LeSneur). Dusky Shark. 



North Atlantic; frequently taken on our coast. 



Squalus obscurus LeSueur, Journ. Ac. Nat. Sci. Phila. 1818, 223, New York. 



40. Carcharhinus platyrhynchus (Gilbert). 



Magdalena Bay to Galapagos Islands. 



Eulamia platyrhynchus Gilbert, Proc. U. S. Nat. Mus. 1891, 544, Clarion Island; 

 Socorro Island; Magdalena Bay. 



