FRESH-WATER MOLLUSKS. 79 



miles more' we are sound asleep, and dreaming of 

 bells and whistles and other things that make a 

 big noise. 



At Sacramento our train stops, and as we 

 sleepily glance out of the window we see 

 electric lights and loads of trunks, and hear 

 the watchman strike the wheels of our car 

 to tell whether they are sound or cracked. 







Then we settle back and feel so sleepy that 



we care but little about the other attractions of 



Sacramento. 



Pretty soon we know that we are moving again; 

 but that is all we do know till we rouse with a 

 feeling that it must be near morning. We look 

 out of the window, rising upon one elbow to do so, 

 and we find that it is already quite light, and that 

 we are rapidly passing by bushes, and rocks, 

 arid grain-fields; and in a little while our 

 train stops at Redding. 



We hastily dress, take a sniff of fresh air, 

 and are off again. And now what a beau- 

 tiful ride is before us. We are just enter- 

 Fig. 33. ing the upper valley of the Sacramento 

 River, and all the way is full of interest. We have 

 left the broad plains, and now the mountains begin 

 to close in around us. 



The river, that, farther down, was wide and still, 



