12 DIVERSIONS OF A NATURALIST 



when light was passed through it and then through the 

 spectroscope — dark bands exactly the same in position 

 and intensity as those caused by the red substance of 

 my own blood and changing into one single band inter- 

 mediate in position between the two — when deprived by 

 an appropriate chemical of the oxygen loosely combined 

 with it. 



On the Fiord near Lervik. 



Of many other things we caught and many other 

 delights of that long-past summer on the Norwegian 

 fiords, of the great waterfalls, the vast forests, the 

 delightful swimming in the sea, the trout-fishing, and 

 the very trying food approved and provided for us by 

 the natives, I must not now tell. My hope is that 

 I may have enabled my readers to understand some of 

 the enjoyment open to the marine zoologist, even when 

 he dispenses with the aid of a big steamship, and 

 modestly pursues his quarry in a sportsmanlike spirit. 



