Scientific results of the exploration of Alaska ... 1865-1874.

Introductory note ... by W.H. Dall.--Art.1. Report on the hydroids ... By S.F. Clark.--Art.2. ... Seminal products in limpets, ... by W.H. Dall.--Art.3. Lacking.--Art.4. Report on the limpets and chitons ... by W.H. Dall.--Art.5. Lacking.--Art.6. On the nudibranchiate gasteropod Mollusca ... by R. Bergh. (Part 2 only).Mode of access: Internet