94 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 4 



PLATE 10 



Fig. 45. Haliclum fasciculatum 



a. Portion of colony showing fascicled stem. 



b. Portion of branch, not fascicled. 



c. CJonangium. 



Fig. 46. Hale cut t:i insolrns 



a. Colonies showing arrangement of hydrothecae. 



b. (jonangia. 



Fig. 47. Hali'ciiim rt't/iilare 



Colony showing arrangement of hydrothecae. 



Fig. 48. Halcdurn tortuin 



a. Fascicled stem. 



b. Portion of colony showing arrangement of hydrothecae. 



Fig. 49. Halccium I'agaus 



Colony showing branching. 



Fig. 50. Oph'todissa laxa 



Portion of colony showing arrangement of hydrothecae and 

 tentacular organs. 



