PACIFIC TUNICATA OF U.S. NATIONAL MUSEUM 



137 



62. Perophora species 



MATERIAL EXAMINED 



Philippine Islands : Pangapuyau Island, Bavara at the other side of Sitio, 

 i fathom ; W. K. Taylor, .January 1941. Sand, mud, and stone with eelgrass. 

 Two specimens (USXM 11G77). 



Remarks. — The two individuals are in sncli poor condition that 

 specific identification is quite impossible. 



63. Ecteinascidia imperfecta Tokioka 



Figure 49 

 Ecteinascidia imperfecta Tol<ioka, 1950, p. 129, fig. 9, S-I/. 



material examined 



Palau Islands : Iwayama Bay, east side of Oyster Pass ; GVF sta. 220. One 

 colony (USNM 11440). 



Description. — A single colony was examined, consisting of a stolon 

 creeping on the surface of a shell of Isognomon sp., and four zooids. 



Figure 49. — Ecteinascidia imperfecta Tokioka: a, left side of mantle body; h, part of inner 

 surface of branchial sac; c, one of the prominences supporting inner longitudinal vessels 

 at crossing points between longitudinal and transverse vessels. 



