FRESH-WATER MOLLUSKS. 



JJPPOSE we take a summer ride to- 

 gether and visit the mountains. You 

 can leave the great city when the sun 

 is getting low in the west, and cross 

 the bay in a ferry-boat. I w r ill join 

 you at Oakland pier, where the Ore- 

 gon express train stands waiting, with its great 

 engine puffing and blowing like an uneasy giant. 

 We show our tickets and take our place in the 

 proper car; the bell rings, and we are off. 



We fly through Berkeley, leaving the groups of 

 colleges on the right, follow up the east coast of 

 the bay, and at Port Costa our train is loaded 

 upon the great boat and 

 ferried over to Benicia. 



It is time to go to bed 

 now, so we prepare to spend 

 the night. We travel two 

 miles while undressing, an- 

 other mile while we are get- 

 ting settled in our berths; 

 but in a space of three 



78 



REFERENCE TOPICS. 



Great ferry-boats. 

 Sleeping-cars. 

 Mount Shasta. 

 Glaciers. 



Rivers come from moun- 

 tains. 



Spare the forests. 

 Pearl buttons. 

 Summer vacations. 



