PACIFIC TUNICATA OF U.S. NATIONAL MUSEUM 



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Figure 72. — Polycarpa iwayamae Tokioka: a, right side of specimen from Arno Atoll; 

 b, left half of mantle body of same specimen, inside; c, alimentary canal of a Palau 

 specimen; d-h, ciliated grooves of specimens from various localities; i, larva, magnified. 



Marshall Islands : Arno Atoll ; P. E. Cloud, sta. MAC-2. One specimen 

 (USNM 11511).— Arno Atoll; lagoon, off Ine Village, 20-23 fath. ; J. W. Wells, 

 sta. 33, haul 2, July 21, 19.50. One specimen 37 mm. long, color vermilion in life 

 (USNM 11521). 



Description. — Tliree specimens from the Palau Islands, two from 

 the Marshall Islands and a single individual from the Gilbert Islands 

 were examined. They are 20 nnn. to CO mm. in length, roughly oval 

 in shape, and with branchial aperture at the terminal and atrial 

 aperture opening at level of the anterior one-third of body length. 

 Test soft, leathery but tough, rather thin in anterior part, but may 

 reach 2 mm. in posterior part of body. Surface irregularly grooved. 



