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Gill, Theodore Nicholas
(detail)
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1872a |
Arrangement of the families of mammals [pp. 1-42]. [Followed by] Synoptical tables of characters of the sub-divisions of mammals, with a catalogue of the genera [pp. 43-98].
Smithson. Misc. Coll. 11(1)(230): vi + 98. Nov. 1872.
–Introduces the following new superfamily and family names in his classification: Halicoroidea (13), Manatoidea (14), Trichechoidea (91), and Trichechidae (14). Summarizes sir. characters (48-49) and provides a key to the families (91) and a list of the genera (91-92). The Halicoroidea include the Halitheriidae, Halicoridae, and Rhytinidae; the Manatoidea or Trichechoidea (Gill uses these terms inconsistently and interchangeably) include only the Trichechidae.
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Gill, Theodore Nicholas
(detail)
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1872b |
On the characteristics of the primary groups of the class of mammals.
Proc. Amer. Assoc. Adv. Sci. 20: 284-306.
–Extract: Amer. Naturalist 5: 526-533, 1871? Gives a brief diagnosis of the Order Sirenia (300-301).
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Gill, Theodore Nicholas
(detail)
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1873 |
On the affinities of the sirenians.
Proc. Acad. Nat. Sci. Philadelphia 25(2): 262-273.
–Concludes that the Cetacea and Sirenia are closer to each other than either is to any other order, and that they share a common aquatic ancestor. Also provides a genealogical tree of the sir. families.
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Gill, Theodore Nicholas
(detail)
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1882 |
Scientific and popular views of nature contrasted. A lecture delivered in the National Museum, March 11th, 1882.
U.S. Natl. Mus. Saturday Lectures No. 1: 1-24.
–?Sir. tail flukes, 10-11.
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Bibliography and Index of the Sirenia and Desmostylia 