46 ICHNOGRAPHS OF THE 



PLATE XXV. 



Fig. 1. Not described by Dr. Deane. The imprints are similar to those of Plate 

 23, and possibly were made by an animal of the same species. 



Fig. 2. This figure is given in Dr. Deane's communication upon the Sandstone 

 Fossils of the Connecticut River to the American Academy, in 1856. He there says : 



It is an exceedingly perfect impression of the hind foot of probably a Saurian 

 animal, having a Chirotherian aspect, but the relations of which cannot be deter- 

 mined because of the vestiges of the fore feet not being known. 



Notwithstanding the above remarks of Dr. Deane, we think he gave, in the same 

 communication, an outline drawing of the track of a hind foot of the same species, accom- 

 panied by that of the fore foot. However this may be, tracks showing impressions of 

 the fore feet have since been discovered, and the animal lias been described by Dr. Hitch- 

 cock under the name of Anisopus Deweyanus. For consecutive tracks of the same 

 species see Plate 26, fig. 2. 



Fig. 3. There is no description of this by Dr. Deane, and the impressions differ in 

 some respects from those of any animal described by Dr. Hitchcock in his Ichnology. 



PLATE XXVI. 



Fig. 1. Outlines of these impressions, or of some quite similar, were given in Dr. 

 Deane's communication to the American Academy in 1856, and he there says: 



They were probably made by a Saurian. The toes have a Chirotherian look, 

 thick and massive. Feet divergent. The fore foot planted near the hind, some- 

 times partially obliterated by it. Stride very great. 



Dr. Hitchcock thinks the animal to have been a Marsupial, and has described it in 

 the Ichnology as such, giving it the name of Anisopus gracilis. 



Fig. 2. Outline drawings of the impressions of a fore and hind foot of this species 

 are to be found in Dr. Deane's communication to the American Academy in 1856, and 

 are there given as of an animal probably analogous to the one whose footprints are 

 given in Fig. 1. 



