Image: haeckel leptomedusae

Leptomedusae:
(top left): Aequorea discus (Haeckel) = Aequorea pensilis (Eschscholtz, 1829)?, bottom view
(top right): Zygocanna diploconus (Haeckel) = Zygocanna diploconus (Haeckel, 1879), side view
(bottom left): Zygocanna diploconus (Haeckel), bottom view
(center right): Polycanna germanica (Haeckel) = Aequorea forskalea (Forskål, 1775), side view
(center left): Zygocannula diploconus (Haeckel) = Zygocanna diploconus, side view
(bottom right): Orchistoma elegans (Haeckel) = Orchistoma sp.?, side view
- from the book sets: Art Forms in Nature (Kunstformen der Natur) - by Ernst Haeckel (1899-1904).

- من صور كتب: النماذج الفنية في الطبيعة، لـ إرنيست هيكل (نشر ما بين 1899-1904 م.)