37S 



Classification of Fishes 



accept the finer definition and again correctly call it Acanthos- 

 traciou iricoriic. But to call it qiiadrzcornis or listcri or niacit- 

 hiliis Avitli any generic name whatever would be to violate the 

 law of I'lriority. 



243 



-Spineless Trunkfish, La'lojihryf; triqiietcr (Linn;'eus). Tortugas. 



Trinomial Nomenclature. — By trinomial nomenclature we mean 

 the use of a second subordinate specific name to designate 

 a geographic subspecies, variety, or other intergrading race. 

 Thus Saliiio clarki virgiiialis indicates the variety of Clark's 

 trout, or the cut-throat trout, found in the lakes and streams of 



244 



H-iri I s Tiui khsh Li t jl / t igonus (lAnnx-ufi). Tortugas, Florida. 



the Great Basin of Utah, as distinguished from the genuine 

 Siiliiio chirkii of the Columbia. Trinomials are not much used 

 ani(jng fishes, as we are not yet able to give many of the local 

 forms correct and adequate definition such as is awarded to 

 similar variations among birds and mammals. UsuaUy vari- 

 eties in ichtliyology count as species or as nothing. 



