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Keywords from Image Description:
NovitatesZoologicae . Ceratophyllus dacus Jordan Roths Jordan Rothschild en Top Male external genitalia from lateral Bottom Female tip of abdomen from lateral Novitates Zoologicae archive org Volume Page Walter Rothschild Ernst Hartert Jordan editors PDold Novitates Zoologicae volume Siphonaptera genitalia Rostropsylla