...It was getting oppressive, this narrowing ravine, and opportunely the road breasted a knoll, then a terrace, then a hill, and lastly a mountain, where we halted to encamp... 
Henry M. Stanley 「How I Found Livingstone」
...For several miles they continued onward till, the river narrowing, navigation became both difficult and dangerous...
W.H.G. Kingston 「Great African Travellers」
...Even then, the slaughter so far exceeded the naturalincrease that the narrowing limits of the buffalo range was watched withanxiety, and the ultimate extinction of the species confidentlypredicted...
William T. Hornaday 「The Extermination of the American Bison」
...Having for its function the narrowing of the orifice itsurrounds, it acts during suction and in the prehension offood...
Édouard Cuyer 「Artistic Anatomy of Animals」
...Long, thick at the base and narrowing towards the end,carried low, with graceful curve, and well-marked with>alternate patches of black, red, and yellow...
Harrison Weir 「Our Cats and All About Them」
...Long, thick at the base and narrowing towards the end,carried low, with graceful curve...
Harrison Weir 「Our Cats and All About Them」
...Long, thick at the base and narrowing towards the end,carried low, with graceful curve, and marked with blackrings...
Harrison Weir 「Our Cats and All About Them」
...Long, thick at the base, and narrowing towards the end,carried low, with graceful curve, and marked with dark rings...
Harrison Weir 「Our Cats and All About Them」
...These croupous areas when they form in the throat,larynx, or windpipe, may lead to narrowing of the passages, with consequentdifficult breathing and even suffocation...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...Themurderess takes no notice; she continues to rummage as far as she canreach for the narrowing of the thorax...
J. H. Fabre Bernard Miall 「Social Life in the Insect World」
...Sometimes the narrowing is carried out on one side only, as in themungkiva of Mashongnavi (), sometimeson both, as in the present example,
and in other cases it is absent...
Victor Mindeleff and Cosmos Mindeleff 「A Study of Pueblo Architecture: Tusayan and Cibola」
...Only his back could be seen,and then space was narrowing fast...
Various 「Astounding Stories of Super-Science, November, 1930」
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