Dercetis elongatus, [622].
Dermal bones of reptiles, [657].
------ covering of Glyptodon, [799].
Derry, Tyrone, [531].
Derwent Valley, Australia, [171].
Desmeopora semicylindrica, [271].
Desmidiæ, [88].
Devonian formation, [31].
-------- fossil plants, [212].