Lectured on Darwinism in Cincinnati, Minneapolis, Buffalo, and to 3500 people in New York City.

Despite close friendship with Cope and Hyatt and many explanations by the latter, he cannot understand their views.

Thanks CD for appreciation of his papers.

Sends proofs [of "The shell mounds of Omori, Japan", Tokyo Univ. Mem. 1 (1879)], which may interest CD for the changes between ancient and modern forms.