OBLONG MADREPORE. 
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Generic Character. 
Animal allied to a Medusa. 
Coral marked by radiating lamellar cavities. 
Specific Character, &c. 
Oblong whitish MADREPORE, with a longitu¬ 
dinal central furrow. 
Mitra Folonica. 
Humph. Amh. 0. p. 248. 
Oblong white MADREPORE. 
The Madrepore figured on the present plate is a 
native of the Indian seas, and is frequently found 
much larger than here represented: its colour is 
yellowish white. 
