816 ALLAN HAXCOCK PACIFIC EXPEDITIONS VOL. 14 



PLATE 79 



Fig. 1. A mat Ilia distans Busk, a portion of a zoariiim showing the 

 position of the zooecia. X 46. 



Fig. 2. Amatliia 'vido'vici (Heller), a portion of a zoarium show- 

 ing the position of the zooecia. X 46. 



Fig. 3. y.oobotryon vertliillaluin (delle Chiaje), a portion of a 

 zoarium showing the placement of the zooecia. X 26. 



Fig. 4. Boivfrbankia imliruata (Adams), a portion of a zoarium 

 showing the position of the zooecia ; note anatomical de- 

 tails. X 26. 



Fig. 5. Boivfthankia graaiis Leidy, a portion of a zoarium show- 

 ing the position of the zooecia. X 26. 



Fig. 6. Roivcrhankia f/racilis a(j(jre(jata O'Donoghue, a portion of 

 a zoarium showing the mode of zooecial growth. X 46. 



Fig. 7. Valkcna tubcrosa Heller, a portion of a zoarium with one 

 zooecium in detail. X 46. 



Fig. 8. A ei'ertillia si'fiffcra (Hincks), a pair of zooecia. X 46. 



