CARBONIFEROUS MILLIPEDES, Xylobius Sigillaria, Dawson (a, c), and 

 Archiulus xylobioides, Scudder (b). 



CARBONIFEROUS COCKROACH. Blatlina Bretotu-nsis, Sc. 



CARBONIFEROUS SCORPION. Anthracomartus Carbonarius, abdominal 

 segments. 



