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Keywords from Image Description:
NovitatesZoologicae . Receptacula seminisRoths Rothschild Roths Rothschild Enderl Enderlein Baker Baker en Spermathecae of Xenopsylla fleas including Oriental Rat Flea cheopis Novitates Zoologicae archive org Volume Page Walter Rothschild Ernst Hartert Jordan editors PDold Novitates Zoologicae volume Insecta anatomy