REPORT OF COMMISSIONERS OF INLAND FISHERIES. 47 
of the fishes known to inhabit the waters of Narragansett Bay has 
never been published, and the following list has been drawn up 
for the convenience of those who may be interested in the fish 
fauna of the State. It is based upon data now in the possession 
of the Commission, and it is our intention to publish a more ex- 
tensive paper at some subsequent time. Any facts relative to the 
subject will be gladly received. 
PETROMYZONIDA. THE LAMPREYs. 
Petromyzon marinus (Linneus). Great Sea Lamprey; Lamprey Eel. 
GALEID.E. THE REQUIEM SHARKS. 
Mustelus canis (Mitchell). Smooth Dogfish; Dogfish; Switehtail. 
Carcharhinus obseurus (Le Sueur). Dusky Shark; Shovel-nose. 
SPHYRNID.X. THE HAMMER-HEADED SHARKS. 
Sphyrna zygena (Linneus). Haimmer-headed Shark ; Hammerhead. 
ALOPID®. THE THRESHER SHARKS. 
Alopias vulpes (Gmelin). Thresher; Thrasher; Swingle-tail. 
CARCHARIDA. THE SAND SHARKS. 
Carcharias littoralis (Mitchill). Sand Shark. 
LAMNID®. THE MACKEREL SHARKS. 
TIsurus dekayi (Gill). Mackerel Shark. 
SQUALID. THE DOG-FISHEs, 
Squalus acanthias (Linneus). Dog-fish; Horned Dog-jish. 
. RAJIDA. THE SKATES. 
Raja erinacea (Mitchill). Summer Skate; Bonnet Skate. 
Raja ocellata (Mitchill). Big Skate; Winter Skate. 
Raja levis (Mitchill). Barndoor Skate. 
NARCOBATID4. THE ELECTRIC RAYS. 
Tetranarce occidentalis (Storer). Torpedo; Crampfish. 
DASYATIDA, THE STINGRAYS. 
Dasyatis centrura (Mitchill). Sting Ray. 
