. Elements of zoölogy : a textbook. Zoology. 238 VERTEBRATA: JJATRACHIA OK BATRACHIAXS. Besides these there is an extinct group, known only by the fossil remains of its representatives, and this is added as an additional order, thus— 4. LABYRINTHODONTA or Labyrinthodonts, so called from the internal structure of their teeth. SUB-SECTION II. THE ORDER OF ANOURA OR TAILLESS BATRACHIANS. THIS order includes the Frogs and Toads, and is some- times called the order of Batrachoids. The name Anoura comes from the Greek an, privative, and oura, a tail. The Anourans have the body short and thick, and c
. Elements of zoölogy : a textbook. Zoology. 238 VERTEBRATA: JJATRACHIA OK BATRACHIAXS. Besides these there is an extinct group, known only by the fossil remains of its representatives, and this is added as an additional order, thus— 4. LABYRINTHODONTA or Labyrinthodonts, so called from the internal structure of their teeth. SUB-SECTION II. THE ORDER OF ANOURA OR TAILLESS BATRACHIANS. THIS order includes the Frogs and Toads, and is some- times called the order of Batrachoids. The name Anoura comes from the Greek an, privative, and oura, a tail. The Anourans have the body short and thick, and cov- ered with a skin which does not adhere to the muscles, FIG. Leopard Frog, Sana halecina, Kalm. but covers them somewhat loosely as a sack. Their tongue is long and fixed to the front of the jaw, and its tip is turned backward in the mouth, whence it can be instantly darted forth; and it is in this way that these animals so quickly snap up living insects which constitute their food. The young are tadpoles, which have a large head, short,. 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 Tenney, Sanborn, 1827-1877. New York : Scribner
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