30 



SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. I3I 

 I I 



•sept. 



Figs. 13-18.— 13, Cryptoccrciis punctulatiis Scud., female, detail of first thoracic in- 

 tersegment. 14, Perip'lancta brunnca Burm., nymph, detail of first thoracic interseg- 

 ment. 15, Periplaneta australasiae (L.), nymph, detail of first thoracic intersegment. 

 16, Periplaneta americana (L.), nymph, detail of first thoracic intersegment. 17, 

 Macropdnesthia rhinoccrus Sauss., female. 18, Parcoblatta pennsylvanica (DeGeer), 

 nymph. 



