ORIGIN AND EVOLUTION OF LIFE
��massive head, dependiDg on its short, powerful limbs and broad, spread- ing feet for land propulsion and in a less degree upon its tail for pri>-
���PlO. S3. AUFBIBI,
OHcQtia, Bhort-bodled C trial Xjvf, the large, s and Deckert.
��, the free-swlmmlDg
��pulsion in the water. This form may be a collateral ancestor of the Labyrinthodonts ; it belongs to a type which spread all over Kurope and North America and persisted into the Metopias of the Trtassic.
���~^0H^
��-— ^^.
��Fio. 84. Chief AupniBiiN Typbb of tub Carbomfebods. the early ihort-talled. Jand-llTing AmpMbamut, the silaroander-Iike Bumlcravelon, the eel-bodied PlyonliM, tbe broad-headed, bottom living Dtploeaulut. RestoratloDS lor the Botbor bjr Gregory and Deckert.
�� �
