38 CLA>SS I.— ORDER I. 



reasonably conclude must be subordinate to the form 

 of the animal. 



TRANSPARENT. 



1. Cellepora hyalina. Cells nearly globular, and 

 transparent; opening simple and oblique. 



On marine plants of European seas. 



BRANCHING. 



2. Cellepora ramulosa, Dichotomous branches, 

 rounded and obtuse. Cells very close, and cylindri- 

 cal. 



Sea of Norway. 



BRILLIANT. 



3. Cellepora nilida. Cells merely cylindrical 

 and transparent, marked with rings ; opening simple. 



Northern seas. 



FURROWED. 



4. Chllepora sulcata. Cells bent, projecting, and 

 longitudinally channeled : colour, whitish. Size, 

 scarcely a millemetrc. 



On the fucus of Australasia. 



EGG-SHAPED. 



5. Cellepora ovo'idea. Cells, egg-formed, with 

 each a small round opening ; united in a round patch, 

 slightly projecting. — Plate 1. fig. I. 



Found on the fucus of Australasia. 



