...Three families—1st, Herbivorous Cetacea,Manatees, Dugongs; 2nd, Ordinary Cetacea, Porpoises; 3rd,Balænidæ, Whales... 
Robert A. Sterndale 「Natural History of the Mammalia of India and Ceylon」
...
The cetacea have been divided into the Denticete, or Toothed Whales,and the Mysticete, or Whalebone Whales...
Robert A. Sterndale 「Natural History of the Mammalia of India and Ceylon」
...The latter containsthe baleen whales...
Robert A. Sterndale 「Natural History of the Mammalia of India and Ceylon」
...I think bysword-fish (Xiphias), which is also a large but not so verysanguinary a fish, they mean the saw-fish (Pristis), which isallied to the sharks, and which attacks the largest whales...
Robert A. Sterndale 「Natural History of the Mammalia of India and Ceylon」
...)
The cervical vertebræ are movable, and not ankylosed, as in manyof the cetacea; the cæcum is small; the blow-hole is a narrow slit,not transverse as in other whales, but longitudinal...
Robert A. Sterndale 「Natural History of the Mammalia of India and Ceylon」
...
The baleen whales are not found in the intertropical seas...
Robert A. Sterndale 「Natural History of the Mammalia of India and Ceylon」
..."In the fin whales (Balænoptera) it is transverselyoval or trilobate, with a projecting backward xiphoid process"(Professor Flower)...
Robert A. Sterndale 「Natural History of the Mammalia of India and Ceylon」
...He notices that the existence of great whales was known toand recorded by the ancients...
Robert A. Sterndale 「Natural History of the Mammalia of India and Ceylon」
...The cetacea have been divided into the Denticete, or Toothed Whales,and the Mysticete, or Whalebone Whales...
Robert A. Sterndale 「Natural History of the Mammalia of India and Ceylon」
...The cervical vertebræ are movable, and not ankylosed, as in manyof the cetacea; the cæcum is small; the blow-hole is a narrow slit,not transverse as in other whales, but longitudinal...
Robert A. Sterndale 「Natural History of the Mammalia of India and Ceylon」
...Theseriver Dolphins naturally come after the extinct Phocodontia orseal-toothed whales, and bear considerable resemblance in thedentition to the extinct genus Squalodon...
Robert A. Sterndale 「Natural History of the Mammalia of India and Ceylon」
...The baleen whales are not found in the intertropical seas...
Robert A. Sterndale 「Natural History of the Mammalia of India and Ceylon」
...The thoroughly marine whales have discardedfurs and adopted a smooth and slippery skin,well adapted to movement through the water,relying for warmth on a thick undershirt ofblubber...
Frederic A. Lucas 「Animals of the Past」
...In addition, toothed whales have only asingle blowhole...
Stephen Leatherwood 「Whales, Dolphins, and Porpoises of the Western North Atlantic」
...All five species of large whales with a dorsal fin belong tothe same major baleen whale group, the balaenopteridwhales or rorquals...
Stephen Leatherwood 「Whales, Dolphins, and Porpoises of the Western North Atlantic」
...Blue whales are the largest living mammals...
Stephen Leatherwood 「Whales, Dolphins, and Porpoises of the Western North Atlantic」
...Blue whales usually occur singly or inpairs...
Stephen Leatherwood 「Whales, Dolphins, and Porpoises of the Western North Atlantic」
...When they do leap clear of the water, fin whalesusually reenter with a resounding splash, like that made byhumpback and right whales and not smoothly, head first, asminke whales often do...
Stephen Leatherwood 「Whales, Dolphins, and Porpoises of the Western North Atlantic」
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