PLATE VI. 



FIG. PAGE. 



la. Scalseoptera recta, sp. nov. ; basal half of left wing. X 2. Middle Coal 



Measures (binds between the "Brooch" and "Thick" Coals); 



Coseley, nr. Dudley, Staffordshire. British Museum, no. I. 13878. 88. 

 1 b. Ditto ; impression of the same wing-fragment. X 2. 88. 



2. Pteiwdera dubins, sp. nov. ; distal half of left wing, x 3. Middle Coal 



Measures (binds between the " Brooch " and " Thick " Coals) ; 



Coseley, nr. Dudley, Staffordshire. British Museum (Johnson Coll.), 



no. I. 1559. 91. 



3. Plesioidisckia, sp. ; fragment of right wing. X 1^. Middle Coal 



Measures (binds between the " Brooch " and " Thick " Coals) ; 



Tipton, Staffordshire. Manchester Museum, no. L. 4905. 92. 



3 b. Portion of costal border of same wing borne on opposite half of nodule. 



X H. 92. 



4. Aphthoroblattina johnsoni (Woodward); type specimen, x 1 1. Middle 



Coal Measures (binds between the " Brooch " and " Thick " Coals) ; 



Coseley, Staffordshire. British Museum (Johnson Coll.), no. I. 1067. 96. 



5 a. Ditto, x 2. Middle Coal Measures (binds between the " Brooch " 



and " Thick " Coals) ; Coseley, Staffordshire. Mr. W. Egginton's 

 Collection, no. 2. 99. 



. 5 b. Ditto ; impression, x 2. 99. 



6 a. Aphthoroblattina engintoni,[sp. nov.; pronotum, portions of tegmina, and 



the distal portion of left hind-wing showing beyond broken edge of 

 tegmen. x 2. Middle Coal Measures (binds between " Brooch " 

 and " Thick " Coals) ; Coseley, Staffordshire. Mr. W. Egginton's 100. 

 Collection, no. 1. 

 66. Ditto; counterpart, x 2. 100. 



