San Francisco, 1931. 299 pp., textillustr. - Bound with: SLEVIN, JOSEPH R. Log of the Scooner ""Academy"". On a Voyage Scientific Research to the Galapagos Islands 1905-06. 162 pp., 16 plates. Small 4to. Bound in one private hcloth. Back with small stains. (Occasional Papers of the California Academy of Sciences XVII-XVIII).