...To use the epitaph proposed byProfessor Marsh for the tombstone of one ofthe Dinosaurs, many a beast might say, "I,and my race perished of over specialization... 
Frederic A. Lucas 「Animals of the Past」
...The growingtendency of specialization in agriculture, which leads to the maintenance oflarge herds of cattle, sheep, and hogs, makes infectious diseases more commonand more dangerous...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...Much has depended on the specialization of the horse into differentbreeds, made possible by the iron shoe...
Nathaniel Southgate Shaler 「Domesticated Animals」
...A hostof forms on their way towards the specialization which has now beenattained have been removed from the sphere, in the manner of ascaffolding from a completed structure...
Nathaniel Southgate Shaler 「Domesticated Animals」
...The growing of ducks for the New York City market began on LongIsland at a very early stage of specialization in poultry culture...
John H. Robinson 「Our Domestic Birds」
...In spite of itsrelatively high degree of morphological specialization, T...
John M. Legler 「Natural History of the Ornate Box Turtle, Terrapene ornata ornata Agassiz」
...The Agalychnis phyletic linehas one kind of specialization for an arboreal existence...
William E. Duellman 「The Genera of Phyllomedusine Frogs (Anura Hylidae)」
...The wide attainment of developed personality permits the formation of enlarging highly organized psychic groups, accompanied by increasing specialization of its individual members...
Sidney L. Gulick 「Evolution Of The Japanese, Social And Psychic」
...Through this very specialization offunctions, however, you have forfeited your individual immortality,and it has come about that only your life-stream is immortal...
Various 「Astounding Stories of Super-Science, May, 1930」
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