[Illustration: Fig. 154.--Triassic Anomodont Reptiles. A, Skull of _Dicynodon lacerticeps_, showing one of the great maxillary tusks; B, Skull of _Oudenodon Bainii_, showing the toothless, beak-like jaws. From the Trias of South Africa. (After Owen.)] It may be mentioned that the above-mentioned Triassic sandstones of South Africa have recently yielded to the researches of Professor Owen a new and unexpected type of Reptile, which exhibits some of the structural peculiarities which we have been accustomed to regard as characteristic of the Carnivorous quadrupeds. The Reptile in question has been named _Cyanodraco_, and it is looked upon by its distinguished discoverer as the type of a new order, to which he has given the name of _Theriodontia_. The teeth of this singular form agree with those of the Carnivorous quadrupeds in consisting of three distinct groups--namely, front teeth or _incisors_, eye teeth or _canines_, and back teeth or _molars_. The canines also are long and pointed, very much compressed, and having their lateral margins finely serrated, thus presenting a singular resemblance to the teeth of the extinct "Sabre-toothed Tiger" (_Machairodus_). The bone of the upper arm (humerus) further shows some remarkable resemblances to the same bone in the Carnivorous Mammals. As has been previously noticed, Professor Owen is of opinion that some of the Reptilian remains of the Permian deposits will also be found to belong to this group of the "Theriodonts." [Illustration: Fig. 155.--Supposed footprint of a Bird, from the Triassic Sandstones of the Connecticut River. The slab shows also numerous "rain-prints."]