2 vols. xvi, 524; viii, 429 pp. With 49 color lithographed plates of fishes; 37 heliotype plates from photographs of corals; numerous other plates and illustrations; large folding map. 10½x7½, cloth, spines lettered in gilt.

Detailed scientific investigation of the marvelous array of fishes around the island of Puerto Rico, issued as Bulletin of the United States Fish Commission, Vol. XX. The largest portion of the work is titled "The Fishes of Porto Rico" by Barton W. Evermann and Millard C. Marsh; in addition, there is "Mollusca of Porto Rico" by W.H. Dall and C.T. Simpson; "The Brachyura and Macrura of Porto Rico" by Mary J. Rathbun, etc. Formerly in the Davenport Academy of Science, with a few rubberstamps, 1 old paper spine label.