The Genitalia of the Group Tortricidæ of the Lepidoptera of the British Islands : an Account of the Morphology of the Male Clasping Organs and the Corresponding Organs of the Female

The Genitalia of the Group Tortricidæ of the Lepidoptera of the British Islands : an Account of the Morphology of the Male Clasping Organs and the Corresponding Organs of the Female