PACIFIC TUNICATA OF U.S. NATIONAL MUSEUM 



231 



fe..^..: 



■-■-- .» 





;# 



r^*^. 





d 



^'^f. 



Figure 105. — a, Salpa maxima var. tuberculata Metcalf, dorsal side of an aggregated form 

 from Philippine waters, b-d, Pyrosoma agassizi Ritter & Byxbee: b, closed end of 

 colony; c, top view of closed end of colony; d, conical prominence on the colony surface. 



