About This Book
The author examines skins and skulls of Mexican Rhogeëssa specimens and compares them with museum material to clarify species identities and variation. Cranial dimensions, ear size, pelage descriptions, and a table of measurements are used to evaluate distinctions among three named taxa, to document apparent misassociation of type specimens, and to assess geographic variation. The study recommends treating two previously named forms as subspecies of a single taxon while retaining a third as distinct, and it summarizes ranges and diagnostic measurements.
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