The porpoise, when full grown, attains a length of 5 ft.
Whales of various species are frequently captured in the bays and sounds; the grampus, dolphin and porpoise haunt the coasts, and seals occasionally bask on the more outlying islets.
Its skin is sometimes used for leather and boot-thongs, but the so-called "porpoise-hides" are generally obtained from the beluga.
Nearly allied is Neophocaena phocaenoides, a small species from the Indian Ocean and Japan, with teeth of the same form as those of the porpoise, but fewer in number (eighteen to twenty on each side), of larger size, and more distinctly notched or lobed on the free edge.
The expedition, including naturalists, botanists, a mineralogist, taxidermists, a philologist, &c., was carried by the sloops-of-war "Vincennes" and "Peacock," the brig "Porpoise," the storeship "Relief" and two tenders.
Between the long, extensile, worm-like tongue of the anteaters, essential to the peculiar mode of feeding of those animals, and the short, immovable and almost functionless tongue of the porpoise, every intermediate condition is found.
" Porpoise " found that a solid core of black rock had been extruded 6 ft.
Cape Porpoise to Casco, and in issuing which the Council for New England had granted governmental as well as territorial rights.
A few of the blubber oils, like dolphin jaw and porpoise jaw oils (used for lubricating typewriting machines), have exceedingly high saponification values ` owing to their containing volatile fatty acids with a small number of carbon atoms. Notable also are coco-nut and palm-nut oils, the saponification numbers of which vary from 240 to 260, and especially butter-fat, which has a saponification value of about 227.
PORPOISE (sometimes spelled Porpus and Porpesse), a name derived from the 0.
Meerschwein, although the word is commonly used by sailors to designate all the smaller cetaceans, especially those numerous species which naturalists call "dolphins," it is properly restricted to the common porpoise of the British' seas (Phocaena communis, or P. phocaena).
I.-The Common Porpoise (Phocaena communis).
It is distinguished from the common porpoise externally by its black hue and the absence of a dorsal fin.