143. The sea peach, Tethijum pyriforme, 

 is a sea squirt whose size, shape, and color 

 suggest a peach. The feeding and respiia- 

 tor\- current goes in one opening and out 

 the other. ( Passamaquoddy Bay, Canada. 

 N. J. Berrill) 



144. Clusters of stalked tunicates are common on stones and wharf pilings on many 

 shores. In Clavellina lepadiforniis, 1 to 2 inches high, the individuals are separate but 

 rise from a common base. The two body openings are close together. (Plymouth, Eng- 

 land. D. P. Wilson) 







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