218 REPORT OF COMMISSIONER OF FISH AND FISHERIES. 



Family XIV. CARCHARIIDiE. The Sand Sharks. 



Genus 31. CAECHARIAS Rafinesque. 



Carcharias K'alinesqiie, Canitteri di Alcuni Nuovi (ioneri. 10, 1810 (taurua). 



Subgenus EUOOMIMIODUS Oill. 



Eugomphodiis Gill, Proc. Ac. Nat. Sci. Phila. 1864, 200 (littoruUs). 



64. Carcharias littoralis (Mitchill). Sand Shark. 



Atlantic Coast between Cape Cod and Cape Hatteras. 



Squalus littoralis Mitchill, Am. Monthly Mag., ii, 1818, 32^, \ew York. 



Family XV. LAMNIDiE. The Mackerel Sharks. 



Genus 32. ISUBUS Saflnesque. 

 Isurus Rafinesque, Caratteri di Alcuni Nuovi Generi, 11, 1810 (oxi/rJninchua). 



Subgenus ISUBOPSIS Cill. 



lauropsia Gill, Ann. Lye. Nat. Hist. N. Y., vu, 1862, 409 {dekayi). 



65. Isurus dekayi (Gill). Mackerel Shark. 



Cape Cod to West Indies. 



Isuropnis dekayi Gill, Ann. Lye. N. Y., vii, 1862, 409; after DeKay. 



Subgenus ISURUS Raflnesque. 



66. Isurus oxyrhynchus Rafinesqne. Mackerel Shark; Pesce Ton do ; Cane di Mare. 



Mediterranean and neighboring parts of the Atlantic; occasional on Atlantic 



coast of North America. 

 Isurus oxyrhynchus Rafinesqne, Caratteri, etc., 12, 1810, Palermo 



Genus 33. LAMNA Cuvier. Porbeagles. 

 Lamna Cuvier, Rcgne Animal, ed. i, 126, 1817 (cornubicus). 



67. Lamna cornubica (Gmelin). Porbeagle: Mackerel Shark. 



North Atlantic and North Pacific. 



Squalus cornubicus Gmelin, Syst. Nat., i, 1497, 1788, shores of Cornwall. 



Genus 34. CARCHARODON Smith. Man-eater Sharks. 



Carcharodon Andrew Smith, Proc. Geol. Soc. Lond., v, 86, 1837 (capensis ^= 

 carcharias). 



68. Carcharodon carcharias (Linnteus). Man-eater Shark; Great White Shark. 



Temperate and tropical parts of the Atlantic and the Pacific. 

 Squalus carcharias Linna;us, Syst. Nat., ed. x, 235, 1758, Europe. 



Family XVI. CETORHINIDiE. The Basking Sharks. 



Genus 35. CETORHINTJS BlainvUle. 



Vetorhinus Blainville, Journ. Phys. 1816, 264 {gunneri^=maximu8). 



69. Cetorhinus maximus (Gunner). Basking Shark; Pelerin; Elephant Shark. 



Arctic seas, Portugal, Virginia, and California. 



tSqualus maximus Gunner, Trondhjem Selekabskr., iii, 33, 1765, coast of Norway. 



Family XVII. RHINODONTIDiE. The Whale Sharks. 



Genus 36. MICRISTODUS GiU. 

 Micristodus Gill, Proc. Ac. Nat. Sci. Phila. 1865, 177 {punctatua). 



70. Micristodus punctatus Gill. 



Gulf of California. 



Micristodus punctatua Gill, Proc. Ac. Nat. Sci. Phila. 1805, 177, Gulf of Cali- 

 fornia. 



