CLOUDS. 137 



sorts of gigantic fancy forms ; such as 

 vast towers and rocks, huge whales and 

 dragons, scenes of battle, and cloudy 

 giants. This class of clouds is the most 

 romantic and strange of all. 



Q. What do the cumulo-stratus clouds foretell ? 



A. A change of weather ; either from 

 fine to rain, or from rain to fine weather. 



Q. What are NIMBUS CLOUDS? 



A. Nimbus is the Latin word for 

 " clouds which bring a storm ;" and all 

 clouds from which rainfalls are so named. 



Q. What APPEARANCE takes place in the 

 CLOUDS at the approach of RAIN ? 



A. The cum'ulus cloud becomes 

 stationary, and cirrus streaks settle upon 

 it, forming cumulo-stratus clouds ; which 

 are black at first, but afterwards of a grey 

 colour. 



Q. Why do CLOUDS gather ROUND MOUNTAIN- 

 TOPS? 



A. Because (as they float along) they 

 dash against the mountains ; and (being 

 arrested in their motion) collect round 

 the top. 



Q. What is the USE of CLOUDS ? 



N 3 



