The juxtaposed compound eye and organ of Bellonci in Haploops tubicola (Crustacea:Amphipoda)- the fine structure of the organ of Bellonci.
The amphipod species Haploops tubicola has an unusual compound eye that is divided into three separate parts, each with one common cuticular lens. The dorso-frontal eyepair has, in addition to the lens, a so-called vitreous body, which is constructed like a dioptric lens and is inserted in the ray-path. The ‘vitreous body’ is actually — and for which evidence is presented — a secretory product for