2 BULLETIN OF THE BUREAU OF FISHERIES 



True fishes — Continued. 



Sharks and rays — Continued. 



Sharks — Continued. Pago 



The nurse sharks. Family Scymnorhinidoe 53 



Greenland shark (Soinniosus microcephalus Bloch and Schneider) 53 



The bramble sharks. Family Echinorhinidae 55 



Bramble shark (Echinorhinus brucus Bonnaterre) 55 



Skates and rays 56 



The skates. Family Rajidse 58 



Little skate {Raja erinacea Mitchill) 58 



Big skate {Raja diaphanes Mitchill) 60 



Prickly skate {Raja scabrata Garman) 62 



Brier skate {Raja eglanteria Bosc) 64 



Smooth skate {Raja senla Garman) 65 



Barn-door skate {Raja slabuliforis Garman) 66 



The torpedoes. Family Narcaciontidffi 68 



Torpedo {Narcacion nobilianus Bonaparte) 68 



The sting rays. Families Dasybatidse and Myliobatidae 70 



Sting ray {Dasybatus niarinus Klein) 70 



Sting ray {Dasybatus hastatus DeKay) 70 



Cow-nosed ray {Rhinoptera quadriloba LeSueur) 72 



Chimseroids. Subclass Holocephali 73 



The chimaeras. Family Chimaeridee 73 



Chimsera {Chimxra affinis Capello) 73 



The bony fishes. Subclass Teleostomi 74 



The sturgeons. Family Acipenseridse 74 



Sturgeon {Acipenser sturio Linnaeus) 74 



The eels. Families Anguillidaj, Synaphobranchidae, LeptocephaUdae, 



Simenchelyidae, and Nemichthyidae 77 



Eel {Anguilla rostrata LeSueur) 78 



Shme eel {Simenchelys parasiticus Gill) 83 



Long-nosed eel {Synaphobranchus pinnalus Gronow) 84 



Conger {Leptocephalus conger Linnaeus) 86 



Snipe eel {Nemichthys scolopaceus Richardson) 88 



The tarpons and herrings. Families Elopidoe and Clupeidae 90 



Tarpon {Tarpon atlaniicus Cuvier and Valenciennes) 91 



Round herring {Etrumeus teres DeKay) 91 



Herring {Clupea harengus Linnaeus) "2 



Hickory shad {Pomolob us mediocris Mitchill) 105 



Alewife {Pomolobus pseudoharengus Wilson) 107 



Blueback {Pomolobus xstivalis MitchiU) HO 



Shad {Alosa sapidissima Wilson) 113 



Menhaden {Brevoortia lyrannus Latrobe) 118 



■ The anchovies. Family Engraulididae 124 



Anchovy {Anchovia mitchilli Cuvier and Valenciennes) 124 



The salmons. Family Salmonidae 126 



Humpback salmon {Oncorhynchus gorbuscha Walbaum) 126 



Salmon {Salnio salar Linnaeus) 130 



Brook trout {Salvelinus fontinalis Mitchill) 138 



The smelts. Family Argentinidae ^ 140 



Capelin {Mallotus villosus Miiller) 140 



Smelt {Osmerus mordax Mitchill) 143 



Argentine {Argentina situs Ascanius) 14' 



--I 



