CHARACTERISTIC DKHI'-SKA TY1M0S. OPIIIURAN'S. 



Ill 



the plates, scales, spines, and grannies (Ophiopcepale Go&siana, 

 Fig. 393 ; Ophiura Maps, Fig. 394 ; Opldoconis miliar 'hi, 



Fig. 3!)o. — Ophiopsepale Goesiana. \. 



Fig. 395). So there may be every diversity of general form, 

 from the smooth simple Opjhiomusium planum (Fig. 396) to 





Fig. 394. — Ophiura Flaps, 1^4. 



the highly complex Ophiomyces frutectosiis. (Fig. 397.) No 

 conditions could well be more favorable to ophiurans than those 

 of the West Indian waters. A tropical sun gives to the shallows 



