... In the meantime, he hoped, anidea adequate to the possibilities of the various factors at hand wouldoccur to him... 
Edgar Rice Burroughs 「Jungle Tales of Tarzan」
...—The buffalo of the past was ananimal of a rather low order of intelligence, and his dullness ofintellect was one of the important factors in his phenomenally swiftextermination...
William T. Hornaday 「The Extermination of the American Bison」
...Later on,however, two other factors introduce themselves...
George Murray Levick 「Antarctic Penguins」
...Food is obtained by a variety of methods depending on the type of food, age of the cottonmouth, and possibly other factors...
Ray D. Burkett 「Natural History of Cottonmouth Moccasin, Agkistrodon piscovorus (Reptilia)」
...As with any species there is a wide range of individual temperament, which is affected by many factors...
Ray D. Burkett 「Natural History of Cottonmouth Moccasin, Agkistrodon piscovorus (Reptilia)」
...Perhaps one of the most important factors in the outcome of snakebite is the treatment...
Ray D. Burkett 「Natural History of Cottonmouth Moccasin, Agkistrodon piscovorus (Reptilia)」
...By utilizingthe combination of many morphological and biological factors, thegenus Smilisca can be defined reasonably well as a natural, phyleticassemblage of species...
William E. Duellman 「Neotropical Hylid Frogs, Genus Smilisca」
...—Among the factors which are actively causative of rheumatismmay be mentioned exposure to dampness and cold, especially while the animal isperspiring or fatigued after severe physical exertion...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...On the whole,it may be said that any of the above-mentioned factors may have more or lessinfluence on the production of rheumatism, but the specific cause is as yetunknown...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...Butthe farmer's practical problem in disposing of his eggs has some veryimportant factors which do not appear in a simple arithmetical problem...
John H. Robinson 「Our Domestic Birds」
...These two contrasting typesof vegetation overlapped widely in an interdigitating pattern whichwas determined by distribution of moisture, soil types, slope exposureand various biotic factors...
Henry S. Fitch 「The Forest Habitat of the University of Kansas Natural History Reservation」
...Young trees and shrubs sprang up in thickets, the numbers andkinds depending on amount of shade, seed sources, soil, moisture, andvarious other factors...
Henry S. Fitch 「The Forest Habitat of the University of Kansas Natural History Reservation」
...If such factors are taken intoaccount the ages of trees may be estimated from the diameters of theirtrunks...
Henry S. Fitch 「The Forest Habitat of the University of Kansas Natural History Reservation」
...During the ensuing months of fall and winter there is a steady decreasein numbers, through various mortality factors, with no replacementuntil young are born about the first week of March...
Henry S. Fitch 「Ecology of the Opossum on a Natural Area in Northeastern Kansas」
...In them, pale soil and low relative humidity are importantpassive factors of selection that give adaptive value to the palecolors of pelage of both infernatis and handleyi...
Robert L. Packard 「Speciation and Evolution of the Pygmy Mice, Genus Baiomys」
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