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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: Fig. 1. Section of Fly, showing nervous system, &c.: a, wing; b, nervous system, Fig. 2. Antenna of fly, Fig. 2a. Sensory depressions and closed sacs on the same, highly magnified. , Fig. 3. One of the halteres, Fig. 3a, b. Vesicles at the base of the same, highly magnified, Fig. 4. Leg of fly: a, coxa; b, trochanter; c, femur; d, e, tibia; f, tarsus, Fig. 5. Trachea, or respiratory tube, with coil." The New York Public Library Digital Collections. 1860. https://old-digitalcollections.nypl.org/items/510d47da-670e-a3d9-e040-e00a18064a99
General Research Division, The New York Public Library. "The fly: Fig. 1. Section of Fly, showing nervous system, &c.: a, wing; b, nervous system, Fig. 2. Antenna of fly, Fig. 2a. Sensory depressions and closed sacs on the same, highly magnified. , Fig. 3. One of the halteres, Fig. 3a, b. Vesicles at the base of the same, highly magnified, Fig. 4. Leg of fly: a, coxa; b, trochanter; c, femur; d, e, tibia; f, tarsus, Fig. 5. Trachea, or respiratory tube, with coil." New York Public Library Digital Collections. Accessed September 15, 2026. https://old-digitalcollections.nypl.org/items/510d47da-670e-a3d9-e040-e00a18064a99
General Research Division, The New York Public Library. (1860). The fly: Fig. 1. Section of Fly, showing nervous system, &c.: a, wing; b, nervous system, Fig. 2. Antenna of fly, Fig. 2a. Sensory depressions and closed sacs on the same, highly magnified. , Fig. 3. One of the halteres, Fig. 3a, b. Vesicles at the base of the same, highly magnified, Fig. 4. Leg of fly: a, coxa; b, trochanter; c, femur; d, e, tibia; f, tarsus, Fig. 5. Trachea, or respiratory tube, with coil. Retrieved from https://old-digitalcollections.nypl.org/items/510d47da-670e-a3d9-e040-e00a18064a99
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(still image)
The fly: Fig. 1. Section of Fly, showing nervous system, &c.: a, wing; b, nervous system, Fig. 2. Antenna of fly, Fig. 2a. Sensory depressions and closed sacs on the same, highly magnified. , Fig. 3. One of the halteres, Fig. 3a, b. Vesicles at the base of the same, highly magnified, Fig. 4. Leg of fly: a, coxa; b, trochanter; c, femur; d, e, tibia; f, tarsus, Fig. 5. Trachea, or respiratory tube, with coil., (1860)
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