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・ Stewart Sapphire
・ Stewart School, Cuttack
・ Stewart Scullion
・ Stewart Seymour
・ Stewart SF01
・ Stewart SF02
・ Stewart SF3
・ Stewart Shapiro
・ Stewart Sharpless
・ Stewart Shining
・ Stewart Simonson
・ Stewart Sloan
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Stewart Springer
・ Stewart St. John
・ Stewart Stacks
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・ Stewart Sterk
・ Stewart Stern
・ Stewart Steven
・ Stewart Stevenson
・ Stewart Stevenson (disambiguation)
・ Stewart Storey
・ Stewart Stover
・ Stewart Strait
・ Stewart Sukuma
・ Stewart Sutherland, Baron Sutherland of Houndwood
・ Stewart Sutin


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Stewart Springer : ウィキペディア英語版
Stewart Springer
Stewart Springer (5 June 190623 August 1991) was a world-renowned expert on shark behavior, classification (taxonomy) and population distribution. There are more than 35 species of sharks, skates, rays and other creatures either classified by or named after him.
==Education==
Springer was a field naturalist, mostly self-taught. It was not until 1964, 35 years after he dropped out of Butler University, that Springer obtained a baccalaureate from George Washington University after having already achieved success in his chosen field of ichthyology. Many colleagues and students addressed him as Dr. on the mistaken assumption that he must have a Ph.D. in biology or an allied field given his status in the world community of ichthyologists.
His exceptional interest in animal behavior was apparent early in his life when, at age 22, he identified and described a new species of lizard, ''Cnemidophorus velox'' or Plateau Striped Whiptail. His interest in the Plateau Striped Whiptail was piqued, he said, by the fact that he was chaperoning a field trip with Cottonwood Gulch Foundation in Arizona in 1928. His young team of boy scouts could catch jack rabbits and other lizards in the area but could not catch this particular lizard. He had no idea that the Plateau Striped Whiptail was a new species of a much studied genus which contained some species, among them ''C. velox'', that were parthenogenic. He obtained his specimens for examination by shooting them with a 22 calibre rifle loaded with a specially concocted "dust shot" cartridge made by his cousin, Max Barnes, who was an ordnance expert for the United States Army.〔personal correspondence from Stewart Springer to Donald Hawley, January 31, 1991〕 Thus, Springer's professional focus on animal behavior as a distinguishing characteristic in classification began not with sharks but rather with a lizard. For an interesting discussion of whether or not ''C. velox Springer'' is a true species see Everett's article (see below).

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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