[64] Diadictes and Bolasaurus (Cope).

[65] Enaliosauria, including Ichthyopterygia and Sauropterygia.

[66] Anomodontia and Theriodontia.

[67] Geology of Oxford, p. 227.

[68] Cope has proposed the names Camerosaurus, Amphicœlias, &c., for these problematical animals. Marsh names them Titanosaurus, Atlantosaurus, &c., while Owen holds that some of them at least are identical with his genus Chondrosteosaurus. Seeley and Hulke adopt the name Ornithopsis, and support Cope’s view of their nature.

[69] Ratitæ.

[70] Woodward in a recent paper refers to a still more curious resemblance of the Dinosaurs to the biped lizard of Australia (Chlamydosaurus), which runs on its hind limbs, and even perches on trees.

[71] A poplar occurs in Greenland, in beds held to be Lower Cretaceous.

[72] By some regarded as Upper Cretaceous.

[73] First recognized in American Eocene by Newberry.