IN EASTERN CANADA.—AMI. 169 
LAMELLIBRANCHIATA. 
1. Anthiacomya elongata, Dawson. 
DI Z obtusa, Dawson. 
Insecta. 
1. “A neuropteroid insect allied to Miamia Bronsoni”— 
determined by Prof. Charles Brongniart, of the 
Muséum dhistoire Naturelle, Paris, France. 
Vermes. 
1. Spirorbis Eriaia, Dawson, attached to leaves of Cor- 
daites Robbu, Dawson. 
Harrington River District—The shales and sandstones, 
from which the fossils of the Riversdale formation were obtained, 
occur along the boundary of the counties of Colchester and 
Cumberland—the strike of the strata being generally across the 
direction of the stream. As pointed out by Mr. H. Fletcher, 
this locality proved to be particularly rich in fossils. 
PLANT. 
1. Arterophyllites acicularis, Dawson. 
2. Calamites, sp. 
3. Sphenopteris dilatata, Dawson. 
4. Harttii, Dawson. 
5. ra splendens, Dawson. 
6. H marginata, Dawson. 
de < sp. 
8. Aneimites valida, Dawson. 
9. Adiantites ? or Archzeopteris, sp. 
10. Neuropteris, sp. 
11. Alethopteris discrepans, Dawson, (= Alethopteris decur- 
rens, Artis, sp.) 
12. Cyperites-like leaves. 
13. Cardiocarpum cornutum, Dawson. 
14. Psilophytum ? glabrum, Dawson. 
Animalia. 
BATRACHIA. 
1. Hylopus Logani, Dawson. 
