

DISTRIBUTION 



343 



Lithomantis (Fig. 305), a remarkable form from Scotland, possessed 

 in addition to its four large neuropteroid wings, a pair of prothoracic 



FIG. 304. Etoblattina ma- FIG. 305. Lithomantis carbonarius, showing protho- 



zona, a Carboniferous cock- racic appendages. Two thirds natural size. After WOOD- 

 roach from Illinois. Twice WARD. 

 natural size. After SCUDDER 

 in Miall and Denny. 



I 



FIG. 306. Stenodictya lobata, showing wing-like appendages of prothorax and abdomen. 

 Natural size. After HANDLIRSCH. 



wing-like appendages which, provided they may be regarded as homolo- 

 gous with wings, represent a third pair, either atrophied or undeveloped 



