Alasmodonta and Unio, on the genera, with descriptions of species, D. H. Barnes, vi, 107f, 258.f

—, vi, 275.

— arcuata, vi, 277.f

Alasmodonta complanata, vi, 278f; xiv, 289.

— marginata, vi, 279.

— radiata, xxv, 341.f

— rugosa, vi, 278f; xiv, 289.

— undulata, vi, 279.

*Ammonites in Canada, viii, 84.

*— at Patterson, N. J., v, 241.