Salivary glands and salivary pumps in adult Nymphalidae (Lepidoptera) Stefan H. EberhardHarald W. Krenn Original Article 24 June 2003 Pages: 161 - 167
The myosepta in Branchiostoma lanceolatum (Cephalochordata): 3D reconstruction and microanatomy Sven GemballaGerd W. WeitbrechtMarcelo R. Sánchez-Villagra Original Article 22 July 2003 Pages: 169 - 179
The secondary vascular system of Actinopterygii: interspecific variation in origins and investment Peter Vilhelm SkovMichael Brian Bennett Original Article 05 August 2003 Pages: 181 - 190
The compound eye of Scutigera coleoptrata (Linnaeus, 1758) (Chilopoda: Notostigmophora): an ultrastructural reinvestigation that adds support to the Mandibulata concept Carsten H. G. MüllerJörg RosenbergV. Benno Meyer-Rochow Original Article 20 August 2003 Pages: 191 - 209
Sperm structure of Mecoptera and Siphonaptera (Insecta) and the phylogenetic position of Boreus hyemalis Romano DallaiPietro LupettiFrancesco Frati Original Article 09 September 2003 Pages: 211 - 220