...There are long, wide streets, two of which, meeting at an obtuse angle, form together an extent of nearly a mile... 
Horatio Bridge 「Journal of an African Cruiser」
...In flexion, the leg bends on the thigh;its inferior extremity is directed upwards and backwards;the angle which the tibia naturally forms with the femurbecomes less obtuse...
Édouard Cuyer 「Artistic Anatomy of Animals」
...The superior border, which is convex or rectilinear,is thin, and is separated from the posterior border byan obtuse angle...
Édouard Cuyer 「Artistic Anatomy of Animals」
...Bats without facial membranes; with short obtuse and bull-doggishheads; large lips...
Robert A. Sterndale 「Natural History of the Mammalia of India and Ceylon」
...Bill short, thick, very strong, covered at the base by a cere; upper mandible sharply hooked; under mandible obtuse, curving upwards, and much shorter...
William Swainson 「Zoological Illustrations, Volume I」
...Shell with elevated, longitudinal, obtuse, entire ribs, the interstices smooth, the base granulated; spire lengthened; pillar four-plaited; aperture short...
William Swainson 「Zoological Illustrations, Volume I」
...The club of their antennæ is very thick, obtuse, and without any terminal hook...
William Swainson 「Zoological Illustrations, Volume I」
...Antennæ linear, thickened in the middle, externally ciliated in the male, simple and filiform in the female, gradually ending in an arcuated, obtuse hook...
William Swainson 「Zoological Illustrations, Volume I」
...) wings black; with the common band and marginal lunules on the lower wings, yellow; lower wings with obtuse tails, and a row of red dots between the nerves...
William Swainson 「Zoological Illustrations, Volume II」
...Theyexhibited concentric obtuse ridges on the interiorside, and a large basin-shaped area behind the hinge...
W. E. Webb 「Buffalo Land」
...Thus in some specimens () the oblique terminal knob is developed into a short bar, forming an obtuse angle with the rectangular bar...
Charles Darwin 「The Variation of Animals and Plants Under Domestication, Vol. I.」
...Emarginate: notched: with an obtuse, rounded orquadrate section cut from a margin...
John. B. Smith 「Explanation of Terms Used in Entomology」
...in length, by the middle, cuttingone end to an obtuse point, flattened on the top and underneath...
Montagu Browne 「Practical Taxidermy」
...Herethey meet at an obtuse angle...
Ernst Haeckel 「The Evolution of Man」
...It may be described as formed by the two upper sides of a triangle,more or less obtuse or acute...
Matthew Holbeche Bloxam 「The Principles of Gothic Ecclesiastical Architecture, Elucidated by Question and Answer, 4th ed.」
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