...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 plumage of many birds contains all stages of feather specialization,from down to pinion...
Worrallo Whitney 「A Guide for the Study of Animals」
...Of all lines of poultry keeping, duck raising isunique in that it lends itself to the greatest degreeof specialization and intensification along lineswhich are purely commercial...
Harry M. Lamon 「Ducks and Geese」
...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」
...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」
...ornata has achieved the samereduction in number of phalanges as Gopherus, which displays theextreme of specialization in this respect among North Americanturtles...
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」
..., the organic, specialization is concomitantwith functional specialization...
J. W. Powell 「On Limitations To The Use Of Some Anthropologic Data」
...Governmentdoes not begin in the ascendency of chieftains through prowess in war,but in the slow specialization of executive functions from communalassociations based on kinship...
J. W. Powell 「On Limitations To The Use Of Some Anthropologic Data」
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