...Beak: any notable prolongation of the front of thehead: the snout in Rhynchophora: specifically, the jointedstructure covering the lancets in the hemipterous mouth... 
John. B. Smith 「Explanation of Terms Used in Entomology」
...Labellum -a:the sensitive ridged tip of the mouth structures of certainDiptera: a prolongation of the labium covering the base ofrostrum in Coleoptera and Hemiptera...
John. B. Smith 「Explanation of Terms Used in Entomology」
...Process: a prolongation of thesurface, margin, or an appendage: any prominent portion of thebody not otherwise definable...
John. B. Smith 「Explanation of Terms Used in Entomology」
...Thereis no prolongation of the snout tip...
Edward H. Taylor 「A New Hylid Frog from Eastern Mexico.」
...The plan shows how the prolongation of the side rows of thevillage forms a suggestion of a second court...
Victor Mindeleff and Cosmos Mindeleff 「A Study of Pueblo Architecture: Tusayan and Cibola」
...6), a vastconstellation that terminates on one side in a prolongation formed ofthree stars...
Camille Flammarion Frances A. Welby 「Astronomy for Amateurs」
...Itis situated on the prolongation of a line joining Regulus to Spica, andforms with Vega of the Lyre, and Arcturus of the Herdsman, a greatisosceles triangle, of which this latter star is the apex...
Camille Flammarion Frances A. Welby 「Astronomy for Amateurs」
...Capricorn lies to the south of Altaïr, on the prolongation of a linefrom the Lyre to the Eagle...
Camille Flammarion Frances A. Welby 「Astronomy for Amateurs」
...Place this reflector in the prolongation of the optical axis, set thecandle so that the light from the reflector shall be shown through theglass, and look through the opening...
Simon Newcomb 「Side-lights on Astronomy and Kindred Fields of Popular Science」
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