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Volume 1 / 1924 - Volume 131 / 2012
203-212
Original Paper
Innervation patterns of the cerebral nerves in Haminoea hydatis (Gastropoda: Opisthobranchia): a test for intraspecific variability
Sid Staubach, Peter Schützner, Roger P. Croll and Annette Klussmann-Kolb
213-226
Ovary cord structure and oogenesis in Hirudo medicinalis and Haemopis sanguisuga (Clitellata, Annelida): remarks on different ovaries organization in Hirudinea
Piotr Świątek
227-239
Comparative immunohistochemistry of the cephalic sensory organs in Opisthobranchia (Mollusca, Gastropoda)
Simone Faller, Sid Staubach and Annette Klussmann-Kolb
241-248
Sperm ultrastructure of Bothrops alternatus and Bothrops diporus (Viperidae, Serpentes), and its possible relation to the reproductive features of the species
Maximiliano Tourmente, Laura Giojalas and Margarita Chiaraviglio
249-258
Surface ultrastructure of the elasmobranchia parasitizing Grillotiella exilis and Pseudonybelinia odontacantha (Trypanorhyncha, Cestoda)
Harry W. Palm
259-264
Siphons and siphonal grooves in the digestive systems of the Echinoidea (Echinodermata)
Nicholas D. Holland and Michael T. Ghiselin
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