336 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 17 



PLATE 14 



Fip;. 58. Halymenia megaspora Dawson. Habit of a paratype speci- 

 men of D. 690+A, Canal de San Lorenzo, Baja California. 

 Attachment is to a piece of coral in the central region of 

 the thalkis. 



