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Humble creatures; part I. The earthworm, and the common housefly. In eight letters
General Research Division, The New York Public Library. "The fly: Life history or the fly, Fig. 1. Larva of house-fly (natural size). Fig. 1a. The same (magnified). Fig. 2. Pupa (natural size), Fig. 3. Lid of pupa-case (magnified), Fig. 4. Anterior extremity of larva, showing hooks (magnigied), Fig. 5. Anterior extremity of larva, with palps retracted, Fig. 6. Anterior extremity of larva, with the same expanded, showing also the trachea and rudimentary feet" The New York Public Library Digital Collections. 1860. https://digitalcollections.nypl.org/items/510d47da-6711-a3d9-e040-e00a18064a99
General Research Division, The New York Public Library. "The fly: Life history or the fly, Fig. 1. Larva of house-fly (natural size). Fig. 1a. The same (magnified). Fig. 2. Pupa (natural size), Fig. 3. Lid of pupa-case (magnified), Fig. 4. Anterior extremity of larva, showing hooks (magnigied), Fig. 5. Anterior extremity of larva, with palps retracted, Fig. 6. Anterior extremity of larva, with the same expanded, showing also the trachea and rudimentary feet" New York Public Library Digital Collections. Accessed December 4, 2024. https://digitalcollections.nypl.org/items/510d47da-6711-a3d9-e040-e00a18064a99
General Research Division, The New York Public Library. (1860). The fly: Life history or the fly, Fig. 1. Larva of house-fly (natural size). Fig. 1a. The same (magnified). Fig. 2. Pupa (natural size), Fig. 3. Lid of pupa-case (magnified), Fig. 4. Anterior extremity of larva, showing hooks (magnigied), Fig. 5. Anterior extremity of larva, with palps retracted, Fig. 6. Anterior extremity of larva, with the same expanded, showing also the trachea and rudimentary feet Retrieved from https://digitalcollections.nypl.org/items/510d47da-6711-a3d9-e040-e00a18064a99
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(still image)
The fly: Life history or the fly, Fig. 1. Larva of house-fly (natural size). Fig. 1a. The same (magnified). Fig. 2. Pupa (natural size), Fig. 3. Lid of pupa-case (magnified), Fig. 4. Anterior extremity of larva, showing hooks (magnigied), Fig. 5. Anterior extremity of larva, with palps retracted, Fig. 6. Anterior extremity of larva, with the same expanded, showing also the trachea and rudimentary feet, (1860)
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