. A manual of zoology. 124 MANUAL OF ZOOLOGY this way secures a more varied and abundant food-supply than would fall to its lot if it remained in one place. On the other hand, the hermit-crab is protected from the attack of predaceous fishes by retreating into its shell and leaving exposed the sea-anemone, which, owing to its toughness,. Fig. 63. — A, Dendrophyllia nigrescens; B, Madrepora aspera. Natural size. co} corallites; cs, ccenosarc; /, polypes. Pacific Ocean. (After Dana.) and to the pain caused by its poisonous stinging-capsules, is usually avoided as an article of food. A similar ca
. A manual of zoology. 124 MANUAL OF ZOOLOGY this way secures a more varied and abundant food-supply than would fall to its lot if it remained in one place. On the other hand, the hermit-crab is protected from the attack of predaceous fishes by retreating into its shell and leaving exposed the sea-anemone, which, owing to its toughness,. Fig. 63. — A, Dendrophyllia nigrescens; B, Madrepora aspera. Natural size. co} corallites; cs, ccenosarc; /, polypes. Pacific Ocean. (After Dana.) and to the pain caused by its poisonous stinging-capsules, is usually avoided as an article of food. A similar case is that of Cancrisocia, of the China seas, which lives on the back of a crab (Dorippe facchino, Fig. 64). The crab carries, for its protection when young, a small shell over its back, which it holds in this position by. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Parker, T. Jeffery (Thomas Jeffery), 1850-1897; Haswell, William A. (William Aitcheson), 1854-1925. New York, The Macmillan Company; London, Macmillan & Co. ,Ltd.
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