Examples from the Web for narial
The plane of the narial rim is oblique to the lateral surface of the maxilla.Two New Pelycosaurs from the Lower Permian of Oklahoma|Richard C. Fox
The internal or nasal surface, like that of the premaxillae, is excavated by a deep longitudinal groove, the narial passage.
The narial passage is freely open, maxillo-turbinals not being developed.
Corresponding with the clumsy nose are very short nostrils, the commencement of the narial aperture being therefore very far back.The Cambridge Natural History, Vol X., Mammalia|Frank Evers Beddard
This means that there is a factor that inhibits the development of the narial flap.Inheritance of Characteristics in Domestic Fowl|Charles Benedict Davenport