276 NORTH AMERICAN BLATTIDAE 



Fig. 12. — Ischnoplera deropdtijormis (Brunner). Mountain Grove, Missouri. 



Male. Lateral outline of one of two processes of sixth dorsal abdominal 



segment. (Greatly enlarged.) 

 pig_ i^^. — Ischnoplera deropeltiformis (Brunner). Plummer's Island, Maryland. 



Male. Dorsal outline of supra-anal plate. (Much enlarged.) 

 Fig. 14. — Ischnoplera deropeltiformis (Brunner). Plummer's Island, Maryland. 



Male. Ventral view of subgenital plate. (Much enlarged.) 

 pig_ 15, — Ischnoplera deropeltiformis (Brunner). Washington, District of Colum- 

 bia. Female. Dorsal outline. (X2) 

 Fig. 16,— Symploce lita Hebard. 'Key West, Florida. Male. Type. Dorsal 



outline. (X3) 

 Fig. i-j .—Symploce lita Hebard. Key West, Florida. Male. Type. Cephalic 



outline of head. (Much enlarged.) 

 Fig. i^.— Symploce lita Hebard. Key West, Florida. Male. Type. Cephalic 



outline of cephalic femur.^ (Much enlarged.) 

 ¥\g. ic).— Symploce litaW&hs.rd. Key West, Florida. Male. Type. Dorsal view 



of supra-anal plate. (Much enlarged.) 

 Fig. 20.— Symploce lita Hebard. Key West, Florida. Male. Type. Ventral 



view of subgenital plate. (Much enlarged.) 



Plate III 



Fig. i.—Parcoblalta holliana (Saussure and Zehntner). Sulphur Springs, North 

 Carolina. Male. Dorsal view. (X3) 



Fig. 2.—Parcoblatta holliana (Saussure and Zehntner). Sulphur Springs, North 

 Carolina. Male. Ventral view of subgenital plate.* (X5^) 



Fig. ^.—Parcoblatta holliayia (Saussure and Zehntner). Raleigh, North Carolina. 

 Female. Dorsal view. (X3) 



Fig. ^.—Parcoblatta deserlae (Rehn and Hebard). Sabinal, Texas. Male. Dor- 

 sal view. ( X3) 



Fig. 5.—Parcoblatta deserlae (Rehn and Hebard). Sabinal, Texas. Male. Ven- 

 tral view of subgenital plate. (X52) 



Fig. b.—Parcoblalta deserlae (Rehn and Hebard). Fort Davis, Texas. Female. 

 Dorsal view. ( X3) 



Fig. ■j.—Parcohlulta americana (Scudder). Sonoma County, California. Male. 

 Dorsal view. (X3) 



Fig. S.—Parcoblatta americana (Scudder). Sonoma County, California. Male. 

 Ventral view of subgenital plate. (X55) 



Fig. (j.—Parcoblatta americana (Scudder). Mount Shasta, California. Female. 

 Dorsal view. ( X3) 



^ Characteristic of the genus Symploce. 



* In the genus Parcoblatta, the styles of the male subgenital plate are little dissimilar. 

 These styles are movable and are drawn as they happen to lie in the various specimens 

 here figured. 



