The role of Ultrabithorax in the patterning of adult thoracic muscles in Drosophila melanogaster Original Article Pages: 55 - 66
Double-stranded RNA interference in the spider Cupiennius salei: the role of Distal-less is evolutionarily conserved in arthropod appendage formation Original Article Pages: 76 - 82
Micromere descendants at the blastula stage are involved in normal archenteron formation in sea urchin embryos Original Article Pages: 83 - 88
Homeotic evidence for the appendicular origin of the labrum in Tribolium castaneum M. Susan HaasSusan J. BrownRichard W. Beeman Short Communication Pages: 96 - 102
The Mnx homeobox gene class defined by HB9, MNR2 and amphioxus AmphiMnx Short Communication Pages: 103 - 107