CHORDATA 



213 



of one inch in about six weeks. Botryllus (the star-spangled jelly) 

 is a compound ascidian ranging from New Jersey to Maine. 



Economic Importance. — The sea squirt or " sea-peach " is eaten 

 in South America and the Mediterranean countries, but is said to 

 taste rather bitter. 



Fig. 100. Internal anatomy of the adult sea squirt. (Courtesy of Amer. Mus. of 



Nat. Hist.) 



