124 ROYAL SOCIETY OF CANADA 



EXPLANATION OF PLATES. 



Plate I. 



Fig. 1. jEdœophasma Acadica n. sp. Showing main veins of upper part of wingr 

 and two an.al veins. Natural size. Lower Cordaite Shale, Lancaster. 

 N.B. See p. 117. 



Fig. 2. Archœophasma grandis n. gen. and sp. Proximal two-thirds of the wing. 

 .>at. size. Lower Cordaite Shale, Lancaster, N.B. See p. 118. 



Fig. 3. Belinuropsis Wigudensis n. gen. and sp. 3o Head shield from the under 

 side, showing front of doubleur removed and the genal spine broken. — 

 8b Part of thorax, showing front of the axis and six of the body seg- 

 ments. — 3c l^ndorside of a front pleura.— 3d Two pleural spines seen 

 from above. All figures magnified |. From Dadoxylon sandstone, 

 Lancaster, N.B. See p. 116. 



Fig. 4. Acripes minor n. sp. Mould of track showing about thirty footprints, 

 the trail is narrower than in A. incertipes, and the footprints closer. 

 Nat. size. From Lower Cordaite shales, St. John, N.B. See p. 123. 



Fig. 5. Same species. A less regular track in fine sandy shale. Same locality 

 and horizon. 



Plate II. 



(Batrachian footprints.) 



Fig. 1. Mylopus (':) variabilis n. sp. Mould of footprints — la the hind foot? 

 lb the fore footV — Nat. size. Lower Cordaite Shale, Fern Ledges, 

 Lancaster, N.B. See p. 120. 



Fig. 2. Same species, photograph of, three quarters of natural size. 



Fig. 3. Diagrammatic figure, natural size showing irregular print of fore foot. 

 Same locality and horizon. See p. 120. 



Fig. 4. Nanopus (?) vetustus, n. sp. Photo of slab showing three footprints and 

 leaves and a pedencle of Johannophyton discrepans Dn. Mag. IVi diam. 

 Lower Cordaite shale, Lancaster, N.B. See p. 121. 



Fig. Ô. The same, diagram of the footprints. Nat. size. See p. 121. 



PLATE III. 



(Footprints of insects.) 



Fig. 1. Acripes incertipes, n. gen. and sp. Track of about 35 footprints, showing 

 the changing position of the foot marks as the animal progressed. 

 Reduced to %. See p. 122. 



Fig. 2. The same species. Mould of a series of footprints, showing more dis- 

 tinctly the lateral overlapping of the footprints. Natural size. 



Fig. 3. Acripes Leavitti, n. sp. A small track of about a score of footprints. 

 Lower Cordaite shales, Barrack Shore, St. John. Nat. size. See p. 123. 



Fig. 4. The same species. Mould of a series of footprints, like the preceding 

 of variable frequency on the two sides. Nat. size. Same locality and 

 horizon. See p. 123. 



