...By thetime the larvae have developed to stage 21, external gills are present, thecaudal musculature and caudal fin have been differentiated, and the head isdistinguishable from the body... 
William E. Duellman 「Neotropical Hylid Frogs, Genus Smilisca」
...These various forms,however, can be differentiated only by the expert, and it is therefore deemednecessary for the purpose of the present work to treat the subject under thegeneral head of pneumonia...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...Tetanus may readily be differentiated from rabies by thepersistence of muscular cramps, especially of the face and abdomen, which causethese muscles to become set and as hard as wood...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...He remarked that these specimens from the Sierra del Carmen conformed adequately with the rather poorly differentiated raceP...
Emil K. Urban 「Birds from Coahuila, Mexico」
...Apolar: without differentiated poles; without apparentradiating processes applied to cells...
John. B. Smith 「Explanation of Terms Used in Entomology」
...The isolated populationsof Arizona and New Mexico differentiated in situ into the subspeciesmonticola and neomexicanus...
James S. Findley 「Speciation of the Wandering Shrew」
...schmidtorum differentiated sympatrically in this way...
William E. Duellman 「A Review of the Middle American Tree Frogs of the Genus Ptychohyla」
...Primarily because of the formation of unsuitable habitat (wet forest)that presently separates the geographic ranges of populationsof lineatus, this species differentiated into three subspecies...
John Wellman 「A Revision of Snakes of the Genus Conophis (Family Colubridae, from Middle America)」
...The species represented cannot be differentiated from speciesof Pseudemys living today...
Edwin C. Galbreath 「Pliocene and Pleistocene Records of Fossil Turtles from Western Kansas and Oklahoma」
...But the savage makes nosuch moral distinction between them; the conceptions of holinessand pollution are not yet differentiated in his mind...
Sir James George Frazer 「The Golden Bough」
...There were two kinds of marks, which should be carefully differentiated,one of which was clearly natural, the other probably artificial...
Margaret Alice Murray 「The Witch-cult in Western Europe」
...Chretien defined the word Negro as differentiated from person of color asused in Louisiana...
Various 「The Journal of Negro History, Vol. I. Jan. 1916」
...The very structure of the highly differentiated communal organism forbids the equal distribution of these goods...
Sidney L. Gulick 「Evolution Of The Japanese, Social And Psychic」
...The globular wall of the blastula is a real blastoderm, andconsists of homogeneous (blastodermic) cells; it is not yet differentiated intothe two primary germinal layers...
Ernst Haeckel 「The Evolution of Man」
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