CCE LENT ERAT A. 
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Fifi. 201 .—Madrepora aspera , living and expanded; natural size. Pacific. 
whose mean temperature in the coldest month is below 
68° Fahr., nor at greater depth than twenty fathoms. The 
most luxuriant reefs are in the Central and Western Pa¬ 
cific and around the West Indies. 
Fio. 202 .—Ctenactw echinata, or “ Mushroom-coralone fourth natural size. Pacific. 
