PLATE III. 



Fia. Page. 



la. Lithosialis brongniarti (Mantell) ; left fore-wing. Natural size. Coal 

 Measures; near Coalbrookdale, Shropshire. British Museum 

 (Mantell Coll. olim Parkinson Coll.), no. 11619. * 46. 



lb. Ditto ; impression of greater part of left fore-wing. Natural size. 46. 



2a. Pruvostia spectabilis, gen. et sp. now ; left fore-wing, x 1^. Middle 

 Coal Measures (ironstone nodules in the binds between the 

 " Brooch " and " Thick " coals) ; Coseley, near Dudley, Stafford- 

 shire. British Museum (Johnson Coll.), no. T. 1589 k 48. 



2b. Ditto; impression of same. X 1^. 48. 



3. Spilaptera sutcliffei, Bolton; basal part of left wing. X 1^. Middle 



Coal Measures (shales above the Roy ley or Arley Mine) ; Sparth 

 Bottoms, Rochdale, Lancashire. Manchester Museum, no. L. 8197. 54. 



4. Boltoniella tenuitegminata (Bolton) ; right hind-wing. x 2. Coal 



Measures (No. 2 Rhondda Seam, base of Pennant Series) ; If miles 

 north-east of Resolven Station, Glamorganshire. Mus. Pract. Geol., 

 no. 24509. 56. 



5. Brodia priscotincta, Scudder ; almost complete left wing, showing the 



attenuated base, x 1^. Middle Coal Measures (clay ironstone 

 nodule from binds between the " Brooch " and " Thick " Coals) ; 

 Dudley, Staffordshire. British Museum, no. I. 2961. 59. 



6. Ditto; portion of right hind-wing, under surface uppermost. (The 



original furrows of the wing have been flattened out, the veins more 

 widely separated.) x If. Middle Coal Measures (clay ironstone 

 nodule from binds between "Brooch" and "Thick" Coals) ; Coseley. 

 Staffordshire. British Museum, no. In. 18431. 59 



7. Brodia furcata, Handlirsch ; wing lacking about one-sixth of the apical 



end. X 2. Middle Coal Measures (above the " Brooch " Coal) ; 

 Dudley, Staffordshire. British Museum, no. I. 2962. 66. 



8. Ditto ; impression of same, showing the narrow base of wing. X 1 5. 66. 



