PACIFIC TUNICATA OF U.S. NATIONAL MUSEUM 



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Figure 7A.—Polycarpa melanosiphonica, new species: o, liolotyjx- from the Gilbert Islands; 

 b, right half of mantle body of same, inside; c, left half of same; d, ciliated groove; e, 

 intestinal loop showing pyloric caecum, side of attachment;/, gonad, attachment surface; 

 g, left side of mantle body of the specimen fiom Saipan; //, ciliated groove of same 

 specimen. 



