PACIFIC TUNICATA OF U.S. NATIONAL MUSEUM 



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Figure 81. — -Cnemidocarpa chinensis, new species: a, right side of an individual; b, left half 

 of mantle body, inner side; c, right half of same; d, left half of mantle body of a larger 

 indi\'idual, inner side; e, f, ciliated grooves. 



Left second fold seems to be smaller than others also in other speci- 

 mens. Transverse vessels alternate with parastigmatic vessels. Four 

 to six elongated stigmata in each mesh. Tentacles 30-40; ciliated 

 groove U-shaped. Entire alimentary canal S-shaped, located in 

 somewhat narrowed posterior part of body ; rectmn very long. Second 

 intestinal loop very prominent; its axis passes obliquely through 

 middle of stomach, which varies in shape rather individually ; it oc- 

 cupies one-third to one-half of ventral branch of first intestinal loop. 

 Surface of stomach longitudinally plicated, about 8 plications counted 

 on free surface in an examined specimen ; pyloric caecum absent, al- 

 though a thin vessel connects inner pyloric corner of stomach and 



