Ultrastructure and immunocytochemistry of the nervous system of the larvae ofLingula anatina andGlottidia sp. (Brachiopoda) Anders Hay-Schmidt OriginalPaper Pages: 189 - 205
Evidence for an intermediate type of spermatozoon: ultrastructural studies of spermiogenesis in the cuttlefishRossia macrosoma (Cephalopoda, Decabrachia) S. T. HouW. L. Maxwell OriginalPaper Pages: 207 - 215
Functional morphology of the mammiliform penial glands ofLittorina saxatilis (Gastropoda) John A. Buckland-NicksG. Terrence Worthen OriginalPaper Pages: 217 - 225
Frontal glandular and sensory structures inNemertoderma (Nemertodermatida) andParatomella (Acoela): ultrastructure and phylogenetic implications for the monophyly of the Euplathelminthes (Plathelminthes) Ulrich Ehlers OriginalPaper Pages: 227 - 236
Functional morphology of the female reproductive tract ofPseudoterranova decipiens (Nematoda) raised in vivo and in vitro Barbara M. MacKinnonMichael D. B. Burt OriginalPaper Pages: 237 - 245
The ovary ofCatajapyx aquilonaris (Insecta, Entognatha): ultrastructure of germarium and terminal filament Szczepan M. BiliĆskiTeresa Szklarzewicz OriginalPaper Pages: 247 - 251