FOURTH WEEK] November 305 



he darts swiftly through the water. Although covered 

 with a hard crust like a crab, this is so transparent that 

 we can see right through his body. The dark mass of 

 food in the stomach and the beating heart are perfectly 

 distinct. Often, near the upper part of the body, several 

 large eggs are seen in a sort of pouch, where they are kept 

 until hatched. 



DAPHNIA 



So if the sea is far away and time hangs heavy, invite 

 your friends to go sponging and crabbing in the nearest 

 pond, and you may be certain of quieting their fears as to 

 your sanity as well as drawing exclamations of delight 

 from them when they see these beautiful creatures for the 

 first time. 



