214 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 14 



PLATE 8 



Fig. 1. Retevirffula tubulata {Hastings) . 



Callopora circumclathrata (Hincks). 



Doryporella alcicornis (O'Donoghue), with branched spines 

 and lateral avicularia. 



Doryporella spathulifera (Smitt), with paired lateral avicul- 

 aria and the bases of median avicularium and spine. 



The same, median avicularium and hastate spine, jointed 

 at the base. 



Bidenkapia spitshergensis (Bidenkap). 



Bidenkap'ta spitshergensis van alaskensis new var. Note small 

 avicularia, even in the presence of an ovicell. 



Fig. 8. Parellisina curvirostris {Hincks) . 



