Cyclopoma spinosum, curious dream about.
Cyprinus uranoscopus.
Dana J.D.
Darwin, C. accepts glacier theory. on "Lake Superior". on Massachusetts cirripedia. estimation of Darwinism. of Agassiz.
Davis, Admiral.
Deep-sea dredgings.
Deep-sea fauna.
De Kay.
De la Rive, A., invites Agassiz to Geneva.
Desor.