61 
Woodwardia Claytoniana, L. 
Virginica, Smith. regalis, L. 
Struthiopteris Botrychium 
Germanica, Willd. ternatum, Swartz. v. lunarioides, Me. 
Onoclea Virginicum, Swz. 
sensibilis, L. 
———». obtusilobata, Tr. LYCOPODIACER. 
Cystoperis Lycopodium 
bulbifera, Bernh. annotinum, L. 
fraguiis, Bernh. clavatum, L. 
° complanatum, L. 
Woodsia v. sabinefolium, Sp. 
Ilvensis, R. Br. dendroideum, Mx. 
Dicksonia lucidulum, Mx. 
punctilobula, Kunze. Selaginella 
Osmunda apus, Spring. 
cinnamomea, L. rupestris, Spring. 
DeEscripTIOn OF PLATE I. 
Fig. 1. Comarocystites punctatus, Billings :—Dorsal view of a specimen in 
possession of Dr. J. A. Grant, probably the largest and most perfect yet 
discovered. 
Fig. la. Arms and pinnule of the same, figured separately to enable the 
fossil to be depicted natural size. 
*Vig. 2. Ventral side of a specimen ; o the mouth. 
*Fig. 3. Left side of a specimen; o the mouth. 
*Fig. 4. Lateral opening (enlarged). 
*Fig. 5. View of summit (enlarged), showing opening and position of arms. 
Description or Puate II. 
Fig. 1. Leaf of Nasturtium lacustre, showing mode of reproduction from the 
Fig. 2. Pityobius Billingsii, Bland:—A beautiful and rare Elater, of which 
this locality appears to be the peculiar habitat. The first specimen was found 
by the late Mr. B. Billings, and presented to the Entomological Society of 
Philadelphia, in whose Proceedings for 1864 its description is given. No other 
specimen is recorded, except the one from which this drawing is made. This /a 
male) was captured by Mr, W. H. Harrington, at Billings’ Bridge, on the 26th 
June, 1878. 
*Figs 2,3, 4 and 5 are taken from Decade ITI, Geological Survey o- Canada. 
