150 



The Ottawa Naturalist. 



[March 



4. Bear Island, N.E. of Digby, N.S. 4 miles. Intertidal 



zone, boulder strewn beach. 



5. Head of St. Mary's Bay, N.S., Intertidal zone. Beach of 



sand, gravel and mud. 



6. Kingsport, N.S. 1% miles N.E. of pier. Gravel bottom, 



shallow water. 



7. Kingsport, N.S. Channel opposite Kingsport pier; 1 



fathom at low tide; sandy mud bottom. 



8. Kingsport, N.S. Intertidal zone: Beach of rocks, gravel 



and muddy sand (Living shells in pools). 



9. Kingsport, N.S. Beach of sand and mud between tides 



(Dead shells). 

 10. Mouth of Avon River opposite Chiverie Pt. N.S. 2 to 6 

 fathoms, rocky and sandy bottom. 



The term intertidal zone is used here instead of littoral zone 

 which was formerly in universal use for the zone between low and high 

 tide, because the latter term has in recent years been used by Dall, 

 Grabau and some others to include the marine habitat down to depths 

 of 100 fathoms. 



