no ROYAL SOCIETY OF CANADA 



Fig. 4. Asperipcs flexilis. Another example of a series of footprints; in this 

 - the toes are extended. Reduced I From Coal Measures. Joggins, 

 N.S. See p. 89. 



Fig. 5. Asperipes caudifer, Dawson, sp. A series of footprints, curving in their 

 course. Reduced i. A number of impressions of the hind foot 

 are shown, and one of the fore foot; there is a broad median trail 

 of the belly, and a narrower one of the tail. The waving dotted lines 

 indicate the edges of the wave marks in the sand. Frjm Coal Mea- 

 sures at Joggins, N.S. See p. 90. 



Fig. 6. Megapezia Pineoi, n. sp. A series of footprints showing innv prints of 

 the feet of the left side and a part of one of the right. Reduced | 

 The print with four toes is that of the hind foot, and tlial with five 

 toes of the fore foot. The impressions of the fore feet are connected 

 by dotted lines. From Lower Carboniferous. Parrsboro, N.S. See p. 

 103. 



