CONTENTS. 
INTRODUCTION. 
. PAGE 
Beauty and Grandeur of the Sea—Commercial Importance— 
Early Notices of Navigation—Proportion of Sea to Land—Changes 
in its Outline—Depths of the Ocean—Saltness—Loss by Evapora- 
tion—Supplied by Rivers—Motions of the Sea—Tides—Currents 
—The Gulf-Stream—Origin of the Phenomenon—Familiar Illus- 
tration—Local . Currents— Winds—Trade-winds—Monsoons—Land 
and Sea-Breezes—Waves—Power of God—Man’s Insensibility— 
Reflections ’ . . . . . . . 1B 
I THE SHORES OF BRITAIN. 
Instruction to be gained at Home as well as Abroad—Wisdom in 
Minutie of Creation—Habitually Submerged Beetle—Marine Water- 
fleas—Sea-weeds—Of various Interest—Manufacture of Kelp—Sea 
and Black Wrask—Knotted Wrack—Sea-lace—Various Provi- 
sions for securing Buoyancy—Sea-weeds used as Food—Dulse— 
Tangle—Sea-furbelows—Henware—English Dulse—Laver—Carra- 
geen Moss—Sea-thong—Peacock’s-tail—Delesseria—Landscape— 
Sea-weeds—Parasitical Sea-weeds—-Divine Care for these Produc- 
tions—Corallines—Uses—Sponge—Animal Flowers—Singular in- 
stance of Voracity—Aggregate Polypes—Cows’-paps—Corals—Sea- 
fan—Sea-pen . . , . . > ’ - 35 
II. THE SHORES OF BRITAIN, continvep. 
Fisheries—Structure of Fishes—Scales—Fins— Air-bladder—Mo- 
tion—Spines—Fruitfulness of Fishes—Migrations—The Herring 
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