LIST OF SPECIES OF EXISTING ZIPHIOID WHALES.

Genus MESOPLODON Gervais. MESOPLODON BIDENS (Sowerby). North Atlantic Ocean; northern France to Norway and Sweden; Nantucket Island, Massachusetts. MESOPLODON EUROPÆUS (Gervais). North Atlantic Ocean; English Channel; New Jersey. MESOPLODON GRAYI Haast. New Zealand and Chatham Islands; Bahia Nueva, Patagonia (Moreno). MESOPLODON DENSIROSTRIS (Blainville). Indian Ocean and South Seas; Lord Howe Island; Seychelles Islands; South Africa; Massachusetts(?). MESOPLODON HECTORI (Gray). New Zealand. MESOPLODON BOWDOINI Andrews. New Zealand. MESOPLODON LAYARDI (Gray). South Seas; New Zealand, Chatham Islands; Australia; Cape of Good Hope. MESOPLODON STEJNEGERI True. North Pacific Ocean; Bering Island and Oregon.

Genus ZIPHIUS Cuvier. ZIPHIUS CAVIROSTRIS Cuvier. Cosmopolitan.

Genus BERARDIUS Duvernoy. BERARDIUS ARNUXII Duvernoy. New Zealand. BERARDIUS BAIRDII Stejneger. North Pacific Ocean; Bering Island and St. George Island, Bering Sea, to Kiska Harbor, Alaska, and Centerville, California.

Genus HYPEROÖDON Lacépède. HYPEROÖDON AMPULLATUS Forster. Arctic and North Atlantic oceans; Mediterranean Sea; southern France; New York Bay, Newport, Rhode Island, and Cape Cod, Massachusetts. HYPEROÖDON PLANIFRONS Flower. Indian and Pacific oceans; Lewis Island, Australia; Province of Buenos Ayres, Argentina, and territories of Chubut and Santa Cruz, Patagonia.