[matthbw] new genus OF BATRACHIAN FOOTPRINTS 109 



Fig. 2. Barillopus confusus, n. sp. a. Mould of the print of the right hind 

 foot. Magnified J. b. Mould of series of footprints showing the 

 short step and the impression of the tail or of the keel of the body. 

 Natural size. Both from Coal Measures. Joggins, N.S. See p. 95. 



Plate IV. 



Fig. 1. Ornithoides trifidus, Dawson, sp. o. Mould of the right hind foot; 

 6. Mould of the left fore foot. Both magnified f ; c. Mould of a 

 series of prints of the hind foot with a few of the fore foot. Natural 

 size.. All from Coal Measures, at Joggins, N.S. See p. 96. 



Fig. 2. Ornithoides (?) Adamsi, n. sp. A series of footprints in which 

 sometimes two, sometimes three toe marks are impressed. Natural 

 size. From Coal Measures. Joggins, N.S. See p. 97. 



Plate V. 



Fig. 1. Nanopus ohtusus, n. sp. a, h, c. Mould of the right hind foot of three 

 different series of tracks, showing difference of form ; d. Mould of 

 left fore foot çhowing faintness of the outer part of the sole ; the 

 2nd, 3rd and 4th digits are distinctly impressed. All natural size. 

 From Coal Measures. Joggins, N.S. See p. 98. 



Fig. 2. Nanopus quadratus, n. f,p. a. Left hind foot ; 6. Left fore foot. Both 

 natural size. The impressed lobe on the inside of the sole is in the 

 position of the fifth digit ; the outside of the sole of the fore foot is 

 faintly impressed. From Coal Measures. Joggins, N.S. See p. 98. 



Fig. 3. Baropezia Sydnensie. Dawson, sp. a. Mould of the left hind foot; 

 b. Mould of the left fore foot. Both natural size. It is supposed 

 that in the fore foot the second, third and fourth digits are present ; 

 compare with figures Id of this plate. From Coal Measures. Sydney, 

 N.S. See p. 100. ' 



Fig. 4. Baropezia abscissa, n. sp. a. ^lould of the right hind foot ; b. Mould 

 of the left fore foot. Both natural size. It is supposed that the 

 second, third, fourth and fifth digits are represented in this footprint. 

 From Coal Measures. Joggins, N.S. See p. 101. 



Plate VI.* 



Fig. 1. Hylopus Logani, Dawson. A series of footprints on soft mud in which 

 the toes dragged. Reduced ^. If both rows of footmarks belong to 

 one track it is unique, the toes shortening progressively outward : 

 hence one may suspect that they belong to two different tracks, of 

 which only one side in each case is shown. Lower Carboniferous. 

 Norton, N.S. See p. 85. 



Fig. 2. Hylopus Eardingi, Dawson. Mould of a series of footprints reduced J 

 The print of the fore foot is close to, and in front of the hind foot. 

 Lowoi- Carboniferous. Parrsboro, N.S. See p. 83. 



Fig. 3. Asperipcs flcxilis, n. sp. A series of footprints reduced ,\. it shows 

 the inner digits of the hind foot folded in. The fore foot is recog- 

 nizable by its three toes and long heel. From Coal Measures. Jog- 

 gins. N.S. See p. 89. 



* Through a misunderstanding the figures in this plate were reduced one- 

 third ill area, in all other cases the reduction or enlargement is by diameters. 



