812 



ALLAN HAXCOCK PACIFIC EXPEDITIOXS 



VOL, 14 



PLATE 77 



Alcyon'tdium polyouin (Hassail), a portion of a zoarium 

 Avith a zooecium in detail. X 46. 



Alcyonidium parasittcuin (Fleming), note minute border 

 papillae on detailed zooecium. X 46. 



Alcyonidium peduniulaturn Robertson, a portion of a zoari- 

 um \vith one zooecium in detail. X 46. 



A Icyonidiiim mammillatum Alder, note aperture at apex of 

 raised oral protuberance. X 46. 



Alcyonidium disciforms (Smitt), a portion of a zoarium 

 \vith a zooecium in detail. X 46. 



The same, a dra'wing of a zoarium, ventral aspect, natural 

 size. 



Alcyonidium enteromorplia Soule, a portion of a zoarium 

 with one zooecium in detail. X 46. 



The same, dorsal view of dissected zooecium, showing the 

 anatomy of the polypide. X 73. 



Flustrella corniculata (Smitt), a portion of a zoarium ^vith 

 a zooecium in detail. X 26. 



