108 ROYAL SOCIETY OF CANADA 



EXPLANATION OF PLATES. 

 Plate I. 



Fig. 1. Eylopus Hardingi, Dawson, a. Mould of right hind foot; 6. Mould of 

 right fore foot. Both natural size. From Lower Carboniferous sand- 

 stones. Parrsboro, N.S. See p. 83. 



Fig. 2. Asperipes avipes n. sp. a. Mould of left hind foot; 6. Mould of left 

 fore foot. Both natural size. From Coal Measures. Joggins, N.S. 

 See p. 88. 



Fig. 3. Asperipes flexilis n. sp. a. Mould of left hind foot with second and 

 third toes bent at the joint of the ultimate phalange; 6. Mould of a 

 print of the same foot, toes extended ; c. Mould of left fore foot, second 

 toe apparently crossing the third toe. All natural size, and from 

 Coal Measures. Joggins, N.S. See p. 89. 



Fig. 4. Cursipes Dawsoni, n. sp. A slab showing a series of foot prints of the 

 left side and the toes of those of the right side. The larger prints 

 were made by the hind foot, and are connected by dotted lines. The 

 smaller tri fid prints are those of the fore foot. Natural size. From 

 the Coal Measures of Joggins, N.S. See p. 93. 



Fig 5. Dromillopua quadrifidus, n. sp. A slab bearing a mould of a series of 

 footprints. The prints of the hind feet are connected by a dotted 

 linej Natural size. From the Coal Measures. Joggins, N.S. 

 See p. 91. . ^ 



Plate II. 



Fig. 1. Asperipes caudifer, Dawson, sp. a. Mould of print of the left hind 

 foot. The slender toes flexed at the ultimate joint; 6. Mould of the 

 left fore foot. Both natural size. From Coal Measures. Joggins, 

 N.S. See p. 90. 



Fig. 2. Dromopus velox, n. sp. a. Mould of the right hind foot showing several 

 joints in the long slender toes ; 6. Mould of the right fort foot, the 

 fourth toe apparently was broken off. Both natural size. From 

 Joggins, N.S. See p. 86. 



Fig. 3. Cursipes levis, n. sp. A sories of footprints. The prints of the hind 

 feet are connected by dotted lines. Only the tips of the toes of the 

 fore foot touched the mud on which the animal was walking. Natural 

 size. From Coal Measures. Joggins, N.S. See p. 93. 



Fig. 4. Megapezia Phieol, n. sp. a. Mould of right hind footprint ; h. Mould 

 of right fore foot. Natural size. From Lower Carboniferous shales. 

 Parrsboro, N.S. See p. 103. 



Plate III. 



Fig. 1. Barillopus arctus, n. sp. a. Mould of the left hind foot; 6. Mould of 

 the left fore foot. Both magnified \ ; e. Mould of a series of foot 

 prints of this species of the natural size ; the print of the hind foot 

 obscures that of the fore ; the footmarks of the right and left sides 

 converge toward the front. From the Coal Measures. Joggins, N.S. 

 See p. 95. 



