. Fourteen weeks in zoology. Zoology. CLASS ASTEROIDEA. 261 like the incisors of a rodent, are constantly renewed. These are Worked by thirty-five powerful muscles—the whole apparatus being known as "Aristotle's ;* CLASS III. ASTEROIDEA. General Characteristics.—The Asteroids (star-like) have five or more radiating arms, which contain portions Fig. AMenas,, Star-flsh. of the viscera. Their mouth and locomotive suckers are on the lower side—the former without teeth, digestion being performed by the animal's turning its stomach out of its * Some epeciep, like the Key-hole
. Fourteen weeks in zoology. Zoology. CLASS ASTEROIDEA. 261 like the incisors of a rodent, are constantly renewed. These are Worked by thirty-five powerful muscles—the whole apparatus being known as "Aristotle's ;* CLASS III. ASTEROIDEA. General Characteristics.—The Asteroids (star-like) have five or more radiating arms, which contain portions Fig. AMenas,, Star-flsh. of the viscera. Their mouth and locomotive suckers are on the lower side—the former without teeth, digestion being performed by the animal's turning its stomach out of its * Some epeciep, like the Key-hole Urchin, are singularly modified from the typical forms, are hence called Irregnlar 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 Steele, Joel Dorman, 1836-1886. New York, Chicago [etc. ] A. S. Barnes & Company
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Keywords: ., bookcentury1800, bookdecade1870, booksubjectzoology, bookyear1872
