Studies on the mouth parts and sucking apparatus in the blood-sucking Diptera. No. 4, The comparative anatomy of the proboscis in the blood-sucking muscidae / by F.W. Cragg.

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Studies on the mouth parts and sucking apparatus in the blood-sucking Diptera. No. 4, The comparative anatomy of the proboscis in the blood-sucking muscidae / by F.W. Cragg. In copyright. Source: Wellcome Collection.