tion of an inch in diameter. Our most common kinds are from one to two inches, and expand from two to four inches. Some of the tropical kinds are a foot in diameter.
|Fig. 5.—Cluster of Coral-Polyps (Asteroides calycularis, Milne-Edwards)—in various stages of expansion.||Fig. 6.—Dead Coral (Asteroides calycularis, Milne-Edwards.)—The coral of Fig. 5.|
The sea-anemones, whether in their natural home or in the aquarium, are exceedingly interesting objects; and in the latter place we can study them to the best advantage. Carefully remove a dozen of them