Photic effects on photosensory microvilli in the seastar Asterias amurensis (echinodermata: asteroida) N. TakasuM. Yoshida OriginalPaper Pages: 135 - 148
Morphology and function of sternal glands in polistine wasps (Hymenoptera: Vespidae) R. L. JeanneH. A. DowningD. C. Post OriginalPaper Pages: 149 - 164
Morphogenesis of open rhabdoms in ommatidia of Leptinotarsa decemlineata and Crioceris asparagi (coleoptera: chrysomelidae) E. WachmannH. D. PfannenstielP. M. J. Shelton OriginalPaper Pages: 165 - 176
Haemolymph flows in the wings of pierid butterflies visualized by vital staining (insecta, lepidoptera) Lutz Thilo Wasserthal OriginalPaper Pages: 177 - 192
Morphology of metazoan circulatory systems E. E. RuppertKaren J. Carle OriginalPaper Pages: 193 - 208
Freeze fracture- and TEM-observations on the plasma membrane and associated structures of the Epidermis of Branchiostoma lanceolatum (cephalochordata) U. Welsch OriginalPaper Pages: 209 - 218
Fine structure of developing and mature spermatozoa in Tubiluchus (priapulida, tubiluchidae) G. AlbertiV. Storch OriginalPaper Pages: 219 - 227
