200 



(contd.): sclerotisations. Broad arrows represent muscles inserted on or near L4-sclerotisations; 15 is 

 certainly homologous in most species; if homology with these 15 is questionable, the muscle is labelled 

 15? (in Anaplecta and Nahublattella 15? are homologous). In Mantodea the presence of region L4c 

 is questionable (? in fig.325a-d). The sclerite of Parcoblatta (fig.325n) and Blaberus (fig.325o) 



