No copyright permissions are needed. Acknowledgement of the Freshwater and Marine Image Bank as a source for borrowed images is requested.

View source
Supplier: Freshwater and Marine Image Bank

Publisher: Freshwater and Marine Image Bank, University of Washington Libraries Digital Collections

Verhill, A. E. 1882. Report on the Cephalopods of the Northeastern Coast of America. Washington, DC : Government Printing Office. Report of the Commissioner (United States Commission of Fish and Fisheries), 1879; Plate XX

View full-size image