104 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 4 



PLATE 15 



Fig. 73. PI II r/i III aria drffda 



Portion of colony showing h\droc]adia. 



Fig. 74. Plumularia inennis 



a. Portion of colony showing hydrocladia. 



b. Cronangia. 



Fig. 75. Plumularia inat/rllaiiica 



a. Colony showing hydrocladia. 

 h. C/onangia. 



Fig. 76. Plumularia propinqua 



a. Colony showing hydrocladia. 



b. Gonangia. 



Fig. 77. Plumularia sinuosa 



Portion of colonv sho\ving h\drocladia. 



