photographie_berlin:
Ernst Heeger: Wing of the common House-fly (Musca domestica), ca. 1860
photographie_berlin:
Ernst Heeger: Wing of an Insect (Forficula auricularis), ca. 1860
photographie_berlin:
Ernst Heeger: Wing of a Beatle (Agabus maculatus), ca. 1860
photographie_berlin:
Ernst Heeger: Wing of an Insect (Trichopteryx depressa), ca. 1860
photographie_berlin:
Ernst Heeger: Wing of a Beatle (Staphylinus murinus), ca. 1860
photographie_berlin:
Ernst Heeger: Wing of a Dipteran (Culex sylvatica), ca. 1860
photographie_berlin:
Ernst Heeger: Wing of an Insect (Hemerobius hirtus), ca. 1860
photographie_berlin:
Ernst Heeger: Wing of a Beatle (Dermestes lardarius), ca. 1860
photographie_berlin:
Ernst Heeger: Part of the Stinging Apparatus (labrum) of a Tick (Ixodes ricinus), ca. 1860
photographie_berlin:
Ernst Heeger: Part of the Leg (tarsus) of the common House-fly (Musca domestica), ca. 1860
photographie_berlin:
Ernst Heeger: Ovipositor of the common House-fly (Musca domestica), ca. 1860
photographie_berlin:
Ernst Heeger: Part of the Mouth (rostrum) of the common House-fly (Musca domestica), ca. 1860
photographie_berlin:
Ernst Heeger: Membrana rostris of the common House-fly (Musca domestica), ca. 1860
photographie_berlin:
Ernst Heeger: Microscopical Insect Study, ca. 1860
photographie_berlin:
Ernst Heeger: Microscopical Insect Study, ca. 1860
photographie_berlin:
Ernst Heeger: Microscopical Insect Study, ca. 1860
photographie_berlin:
Ernst Heeger: Microscopical Insect Study, ca. 1860
photographie_berlin:
Ernst Heeger: Microscopical Insect Study, ca. 1860
photographie_berlin:
Ernst Heeger: Microscopical Insect Study, ca. 1860
photographie_berlin:
Ernst Heeger: Microscopical Insect Study, ca. 1860
photographie_berlin:
Ernst Heeger: Microscopical Insect Study, ca. 1860
photographie_berlin:
Ernst Heeger: Microscopical Insect Study, ca. 1860
photographie_berlin:
Ernst Heeger: Microscopical Insect Study, ca. 1860
photographie_berlin:
Ernst Heeger: Microscopical Insect Study, ca. 1860
photographie_berlin:
Ernst Heeger: Microscopical Insect Study, ca. 1860