CONTENTS. 



HALF AN 'HOUR WITH THE WAVES. 



THE pleasures of the sea-side. Antiquity of the ocean. 

 Space formerly occupied by the gases composing water. 

 Forces locked up in our seas. Kelation of atmosphere to 

 ditto. Theories of the tides. Peculiarity of sea-air, how 

 caused. Waste of our coast-line. How waves are formed. 

 Currents of the ocean. Their beneficial action on 

 marine life. Depths of the sea. Saltness of ditto. Evi- 

 dences of wave-action in ancient deposits. Relation of 

 marine objects to dissolved minerals, &c. How the latter 

 are disposed of Pages 1 to 18" 



II. 



HALF AN HOUR WITH PREPARATIONS. 



Equipment of the zoological student. Fewness of objects 

 required. Advantage of the microscope. Wet days at the 

 sea-side. Bell-glasses for temporary aquaria. Anemone- 

 collecting. Local guide books. Implements, &c., required 

 for shore-zoologising. How to set about the latter. The 

 mysteries of a rock-pool. Pholades. The tow-net, how 

 made. The study of deeper sea-life The trawlmen and 

 their " rubbish." Out trawling. Description of the trawl, 

 &c Pages 19 to 33 



