300 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 4 



PLATE 25 



Fig. 8. Egmundella polynetna, new species 



a. Natural size. 



b. Colony with hydrothecae and nematophores. 



c. Colony with hydrothecae, nematophores, and gonangium. 



Fig. 9. Halecium exiguum, new species 



a. Natural size. 



b. and c. Portion of colony showing hydrophore arrangement. 



Fig. 10. Halecium flexum, new species 



a. Natural size. 



b. Portion of unbranched stem. 



c. Portion of the same stem (x40). 



d. Portion of branched stem. 



Fig. 11. Halecium regulare Fraser 



Portion of stem showing gonangia. 



Fig. 12. Ophiodissa expansa, new species 



a. Natural size. 



b. Portion of colony showing hydrophore arrangement and 

 nematophores. 



c. Gonangium. 



