Carboniferous Millipedes, Xylobius Sigillaria, Dawson («;,<:), and 

 Archiulus xylobioides, Scudder {b). 



Carboniferous Cockroach.— B/ai/ma Bretonemis, Sc. 



Carboniferous ^CORVio^.—Anthracotnartus Carbonarius, abdominal 

 sejTments. 



