...Zygoptera: those Odonata, having the fore and hindwings subequal in width, venation comprising a quadrilateral, nota triangle; nymphs with caudal tracheal gills... 
John. B. Smith 「Explanation of Terms Used in Entomology」
...While the same rectangular idea predominates in , it isworked out with the introduction of triangles and quadrilateral designs...
Jesse Walter Fewkes 「Archeological Expedition to Arizona in 1895」
...All these stars are of the second orderof magnitude (the specific meaning of this expression will be explainedin the next chapter), except the last (δ) of the quadrilateral,which is of the third order...
Camille Flammarion Frances A. Welby 「Astronomy for Amateurs」
...In the quadrilateral, the length from Alcyone to Electra is 36′, and thebreadth from Merope to Maia 25′...
Camille Flammarion Frances A. Welby 「Astronomy for Amateurs」
...Note Thuban,once the Pole Star, at one corner of a quadrilateral that Draco formswith Ursa Major...
William Tyler Olcott 「A Field Book of the Stars」
...A quadrilateral is formed by the stars α, β, γ, ε, which characterizesthe constellation...
William Tyler Olcott 「A Field Book of the Stars」
...Four stars in theconstellation form an irregular and conspicuous quadrilateral...
William Tyler Olcott 「A Field Book of the Stars」
...Inthe middle of the quadrilateral is a row of three second magnitudestars, known as the "Belt" of Orion...
Cecil G. Dolmage 「Astronomy of To-day」
...Low down, towards thesouth is seen the small constellation Corvus, recognised by itsirregular quadrilateral of stars...
Richard A. Proctor 「Half-hours with the Telescope」
...Two SpeciesPentagonal; one species Quadrilateral...
George Grey 「Journals Of Two Expeditions Of Discovery In North-West And Western Australia, Vol. 2 (of 2)」
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