PACIFIC TUNICATA OF U.S. NATIONAL MUSEUM 



33 



a 



Figure 6. — Amaroucium plicifcrtnn Redikorr.ev: a, entire colony; b, anterior part of zooid, 

 right side; c, flattened testicular follicles packed compactly in postabdomen of usuil 

 thickness; d, spherical testicular follicles arranged in a single row in the thinner post- 

 abdomen. 



postabdomen of usual thickness, or spherical and arran^^ed in a single 

 row when they occupy thinner postabdomens (fig. Qd). 



8. Amaroucium sp. uff. monotonicum Tokioka 



Figure 7 

 Amaroucium monatonicum Tokiokii, l!J.54ii, p. 4, pi. It), t'l'^s. 4-5; pi. 20, fig. 1. 



M.ATKRIAL EXAMINED 

 Palau Islands : Ngerkuid, west of Eil Malk ; GVF sla. 2G1. Six small colouics, 

 attached to a tuft of Halimcda (USNM li;r.)3), along with colonies of Didcmnum 

 ternatanum (Gottschaldt) (USNM 11398). 



