Observations on Pacific cetaceans of Californian and Mexican waters

Norris, K. S.; Prescott, J. H.
University of California Publications in Zoology (1961)

(...) For five years we have systematically gathered information of every available kind related to these animals. Fifteen species have been observed in sufficient detail to be considered here. These…


Guide to the whales, porpoises and dolphins (Order Cetacea) exhibited in the Department of Zoology, British Museum (Natural History)

Harmer, S. F.
(1909)

Porpoise. The Porpoise [Phocaena communis, or P. phocaena) is the smallest and most common of the Cetaceans found in the seas around the British Isles, and it also frequents the…