...Looking keenly around for a village, we descried it on the summit of the lofty triangular hill on our right... 
Henry M. Stanley 「How I Found Livingstone」
...Travelling up the south-eastern reach, we passed a triangular insulated rock off the southern bank, and then the "diabolitos" outlying Point Kilu, opposite Banza Vinda on the other side...
Richard F. Burton 「Two Trips to Gorilla Land and the Cataracts of the Congo Volume 2」
...The patella, which is thickened in the antero-posteriordirection, has the shape of a triangular pyramid with thebase upwards...
Édouard Cuyer 「Artistic Anatomy of Animals」
...This triangular crest washairy; superiorly there was no appearance of a sac above it to thebest of our recollection...
Robert A. Sterndale 「Natural History of the Mammalia of India and Ceylon」
...The face hasa white band running from the outer side of the base of each horndown to the muzzle, the space between forming a dark triangular patchbordered with a deeper tint...
Robert A. Sterndale 「Natural History of the Mammalia of India and Ceylon」
...The undersurface of both pairs of wings is much lighter and thicklymottled all over with light cream-colored spots of a largesize and more or less triangular shape...
Clarence M. Weed 「Butterflies Worth Knowing」
...—Broad and triangular, this muscle coversmost of the deeper muscles of the lateral aspect of the thigh...
William B. Stallcup 「Myology and Serology of the Avian Family Fringillidae」
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