214 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 14 



PLATE 8 



Fig. 1. Retevirgula tubulata (Hastings) . 



Fig. 2. Callopora circumclathrata (Hincks) . 



Fig. 3. Dor>'^or^//a fl/czVor«f5 (O'Donoghue), with branched spines 

 and lateral avicularla. 



Fig. 4. Doryporella spathulifera (Smitt), with paired lateral avicul- 

 aria and the bases of median avicularium and spine. 



Fig. 5. The same, median avicularium and hastate spine, jointed 

 at the base. 



Fig, 6. Bidenkapia spttsberffensis (Bidenkap). 



Fig. 7. Bidenkapia spitsbergensis var. alaskensis new var. Note small 

 avicularia, even in the presence of an ovicell. 



Fig. 8. ParelUsina curvirostrts (Hincks) . 



