580 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 14 



PLATE 56 



Fig. 1. JVatersipora cucullata (Busk), zooecium, details of aperture, 

 Colombia. 



The same, form of aperture, Galapagos Islands. 

 The same, form of aperture, Gulf of Mexico. 

 The same, operculum, Colombia. 

 The same, operculum. Gulf of Mexico. 



Veleroa veleronis new species, zooecium, details of aperture. 

 The same, diagram of side view showing the great depth 

 and the scattered uniporous septulae, reduced ^. 

 Cheilopora praelonga (Hincks), zooecium, suboral denticle. 

 Hippaliosina rostrigera (Smitt), zooecium, aperture and 

 avicularia. 



Hippaliosina inarmata new species, zooecium and endozoo- 

 ecial ovicell. 



Hippaliosina costifera new species, zooecium with endozoo- 

 ecial ovicell. 



The same, infertile zooecium with details of aperture. 

 Hippopodinella turrita new species, zooecium showing small 

 pores and high pointed tubercles. 



