Striped Dolphin; Harbour Porpoise 
Description. Very similar in shape to the last. - Purplish gray 
above, white below, upper parts spotted with white, lower 
with dark gray. Teeth 37 above, 34 below. 
Range. Atlantic and Gulf coasts north to Cape Hatteras. 
Striped Dolphin 
Lagenorhynchus acutus (Gray) 
Length. 8 feet. 
Description. Beak very short, a mere rim with a depression 
between it and the forehead on each side. Colour black on 
back, rest of body gray, sides with white and yellowish 
patches; a narrrow black stripe from the base of the tail half- 
way to the middle of the body; eye surrounded with black 
and black lines from it to the snout and flipper; flippers black. 
Teeth 35 above, 37 below. 
Range. North Atlantic, southward to Cape Cod. 
Harbour Porpoise 
Phocena phocena (Linneus) 
Length. 5 feet. 
Description. Head rounded in front, no beak or snout. Fin of 
the back more triangular than in the dolphins. Colour dark 
slate or blackish, shading gradually to white on the belly, 
sides somewhat tinged with pink or yellowish, and a dark 
band from the lower jaw half way to the flipper. Teeth 26 
in each jaw. 
Range. North Atlantic south to New Jersey; also on coasts of 
Europe and in the Pacific. 
As the bottle-nose (7ursiops tursto) is the commonest of the 
dolphins on our coast, this is the best known of the round-headed 
Or porpoise group. It is apparently more common on European 
coasts than with us and, being more northern in its range, is 
not so familiar as the common _ bottle-nose to our sea-shore 
visitors. 
The five species which follow are all allied to the harbour 
porpoise, but have striking peculiarities which have earned for 
them distinctive popular names. 

