THE ECONOMIC MOLLUSC A OF ACADIA. 
43 
;at the bottom, and broken on one side.” This bowl is two to four 
inches in diameter. By holding it up to the light the eggs may be seen. 
Economics. It does not appear that the Round Whelk is 
used either for food or bait, though it is probably well suited 
for both purposes. Willis says, — “ It is slightly sought after 
as an article of food, and never offered for sale in any of our 
markets.” Can any one to whom these pages may come, tell 
us of any other uses to which the species is applied? 
It is not considered in the United States that it does any 
considerable harm to the Oyster-beds. Mr. Whiteaves found 
it on the Oyster-beds at Shediac, but we have no information 
as to whether it does much injury. It is eaten by several 
fishes. 
■9. Littorina litorea (Lin.) Forbes and Hanley. 
Periwinkle, Winkle. 
Mic-mac Chigujich-k.* Acadian French, Biourneau (?). 
[ Littorina , littus, the sea-shore; litorea , living on the shore.] 
Distribution. (a) General; — Between tides. Long 
Island Sound to Gulf of St. Lawrence. 
(b) In Acadia; — (in N. B.) Bay of Fundy coast, abundant. 
Bay Chaleur, Morse. Northumberland Strait, Dawson. (In 
N. S.) North Shore, Dawson. Halifax, abundant, Willis, 
Vericruzen. All rocky shores, Jones. (In P. E. I.) South 
"Shore, Whiteaves. Large and abundant on different parts of 
the coast, Dawson. It probably occurs in all rocky situations 
around the entire coast of the three Provinces. 
[This is now almost universally admitted to be an intro- 
duced Mollusc. Its home is in Europe and it is exceedingly 
abundant on the coasts of Great Britain. It was first reported 
from Halifax in 1857, by Mr. John Willis, but Sir William 
Dawson states that he collected it in the southern part of the 
‘Gulf of St. Lawrence earlier than this, and Prof. E. S. Morse 
received it from Bathurst in 1855. It was found near St. John 
by Mr. G. F. Matthew in 1861 or 1862. It was unknown on the 
♦Applied probably to the nat ve form, L. palliata. 
