LEEUWENHOEK. 



6 7 



sheds it, and gets a new one. But the hermit crab 

 occupies the dead shell of another ; what shall he do 

 v/hen he outgrows his shelter^ As he is often kept 

 in an aquarium his pranks 

 have been carefully watched. 

 He hunts' about until he 

 finds some mollusk like a 

 snail, inclosed in its house. 

 He turns the shell over and 

 over, as if calculating on its 

 size. He pokes a foot with- 

 in to see who is there. If 

 he concludes that the house Hermit Cmb - 



is good enough and large enough for him, he jerks 

 out its tenant and himself jumps in all in a moment. 



15. LEEUWENHOEK. 



THE old town of Delfth in Holland is associated 

 with a familiar event in American history. It was 

 from the harbor of this town from Delfth Haven 

 that the Pilgrim Fathers, in 1620, embarked on the 

 Speedwell and the Mayflower to sail to America. 

 Another event adds a new interest to Delfth. 



It was here that, in 1632, a boy was born who be- 

 came one of the great discoverers that used the mi- 

 croscope. His name was Anthony van Leeuwenhoek 

 (pronounced Luh'wenhook). As his surname does 

 not slip easily from an American tongue, he may be 



