...During the last forty years the Americans alone have taken at therate of 10,000 barrels of sperm oil per annum, or upwards of fourmillion barrels since 1835... 
Robert A. Sterndale 「Natural History of the Mammalia of India and Ceylon」
...It hesitatesnot to attack the largest sperm and Greenland whales, and the smallerwhales, porpoises and seals will spring out of water and strandthemselves on shore in terror at its approach...
Robert A. Sterndale 「Natural History of the Mammalia of India and Ceylon」
...This is also thecase in the large sperm whale, but in Euphysetes the disproportionis still greater...
Robert A. Sterndale 「Natural History of the Mammalia of India and Ceylon」
...They are the most valuable of the cetacea, except perhaps thecachelot or sperm whale, as producing the greatest amount of oil andwhalebone...
Robert A. Sterndale 「Natural History of the Mammalia of India and Ceylon」
...
Râsabhas is derived from the double root ras, whencerasa = humour, juice, water, savour, sperm, and râsa = din,tumultuous noise...
Angelo de Gubernatis 「Zoological Mythology, Volume I (of 2)」
...Testes: the tubular structures in the male, in whichthe production of spermatogonia, and often also of later stagesin the development of the sperm takes place...
John. B. Smith 「Explanation of Terms Used in Entomology」
...The third,the sperm whale, is a toothed whale...
Stephen Leatherwood 「Whales, Dolphins, and Porpoises of the Western North Atlantic」
...Like sperm and humpback whales, they usually throwtheir flukes high into the air when beginning a long dive...
Stephen Leatherwood 「Whales, Dolphins, and Porpoises of the Western North Atlantic」
...The flukes of sperm whales are broad and triangular inshape, are not concaved, but are deeply notched on the rearmargin...
Stephen Leatherwood 「Whales, Dolphins, and Porpoises of the Western North Atlantic」
...In the westernNorth Atlantic, pygmy sperm whales have been found as farnorth as Sable Island, Halifax, Nova Scotia, as far south asCuba, and as far west as Texas in the Gulf of Mexico...
Stephen Leatherwood 「Whales, Dolphins, and Porpoises of the Western North Atlantic」
...Dwarf sperm whales are dark steel gray on the back,grading to lighter gray on the sides, and fading to dull whiteon the belly...
Stephen Leatherwood 「Whales, Dolphins, and Porpoises of the Western North Atlantic」
...It is highly likely thatthis species, like the pygmy sperm whale, extends further tothe north...
Stephen Leatherwood 「Whales, Dolphins, and Porpoises of the Western North Atlantic」
...Throat grooves are short grooves found on the throat ofbeaked whales, sperm whales, and dwarf sperm whales...
Stephen Leatherwood 「Whales, Dolphins, and Porpoises of the Western North Atlantic」
...It was assumed that testes that havenot descended, and that lie within the abdominal cavity, are not capable ofproducing viable sperm...
Charles L. Douglas 「Comparative Ecology of Pinyon Mice and Deer Mice in Mesa Verde National Park, Colorado」
...Toward the beginning and end of the breeding season the testes and accessoryorgans of wild mice were small and probably produced few if any sperm...
Charles L. Douglas 「Comparative Ecology of Pinyon Mice and Deer Mice in Mesa Verde National Park, Colorado」
...Oviducts of several females were flushed by means of a pipetteto determine whether they contained sperm...
John M. Legler 「Natural History of the Ornate Box Turtle, Terrapene ornata ornata Agassiz」
...Females are inseminatedwith sperm produced in the preceding year...
John M. Legler 「Natural History of the Ornate Box Turtle, Terrapene ornata ornata Agassiz」
...The specific name altipotens is Latin, meaning mighty, hereused in allusion to the supposed potentiality of fertilization by theproduction of vast quantities of sperm in the large testes...
William E. Duellman 「Descriptions of New Hylid Frogs From Mexico and Central America」
...The Sperm Whale rarely exceeds sixty feet inlength and lives in warm regions, such as theIndian Ocean; rarely, if ever, visiting Arctic or European seas...
Various 「Natural History in Anecdote」
...This fluid iscalled sperm, or the male seed...
Ernst Haeckel 「The Evolution of Man」
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