PLATE VII. 



Fio. PAGE. 



la. Arclihinjlin-ris /m^t/ifn, Bolton ; greater part of left fore-wing. X 2J. 

 Base of Upper Coal Measures (Gellicleg Level of Mynyddislwyn 

 Vein) ; near Maes-y-cwnuner, Monmouthshire. Mus. Pract. Geol., 

 no. 2451*1. 103. 



1 I. Ditto ; counterpart of left wing, x 2f. Mus. Pract, Geol., no. 24502. 103. 



2 Archimi/litcris ir<><nlirr<li, Bolton ; left fore-wing. X ; !.l. Base of 



Pennant Series (10 feet shale overlying the No. 2 Rhondda seam) ; 

 Clydach Vale, South Wales. Mr. D. Davies' Coll. ]<>(}. 



3 . Arrltiiiit/l/it'i'ix 7//c/w, sp. nov. ; impression of the under surface of the 



pronotum, and of the remnants of the fore-wings. X 3. Middle 

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

 Cost-ley, nr. Dudley, Staffordshire. British Museum (Johnson 

 Coll.), no. I. 15900. 107. 



31. Ditto; counterpart. X 3. 107. 



4 a, Arclnimjlucris obovata, Bolton; portion of left fore-wing, x 3. Upper 



Coal Measures (Grvvernau Level of the Mynyddislwyn Vein); Maes-y- 

 cwmmer, Monmouthshire. Mus. Pract. Geol., no. 2450C>. 109. 



4 1>. Ditto; impression less incomplete than the broken wing, x 3. Mus. 



Pract. Geol., no. 24507. 109. 



5. ArcJiimylacris, sp. indet. ; fragmentary fore-wing, showing the middle 

 third only, the rest being concealed under a leaf of Cunlnifi'*, the 

 latter bearing pits in which N^//v</-/-/.s /nixilliix (Martin) had 

 established themselves. Much enlarged. Base of Upper Coal 

 Measures (Gellideg Level of Mynyddislwyn Vein) ; near Maes-y- 

 cwmmer, Monmouthshire. Mus. Pract, Geol., no. 24503. 112. 



(i. Archimylacns, sp. indet.; impression of the basal portion of a left 

 fore- wing, and of a broken pronotum. Much enlarged. Base of 

 I'pper Coal Measures (Gellideg Level of Mynyddislwyn Vein) ; near 

 Maes-y-cwmmer, Monmouthshire. Mus. Pract. Geol., no. 24508. 113. 



