148 FOSSIL INSECTS OF THE BRITISH C 



A. pringlei, Boltou. A. desaillyi, Leriche. 



Radius Vein: 



Few branches. Radial sector Seven branches. Radial 



arising opposite outer fourth of sector arising opposite outer 

 subcosta. 



Radial Sector : 



Branching not known. 



Median Vein : 



Branches beyond origin of 

 radial sector. 



Cubitus Vein : 



First branch simple, second 

 forked. 



Anal Veins : 

 Undivided. 



third of subcosta. 

 Eight branches. 



Branches opposite first fork 

 of radial sector. 



First branch simple, second 

 and third forked. 



First vein only forked. 



Interstitial neuration : 



Transverse nervures, except Transverse nervures, except 



in the median basal part of the in the median basal part of the 



wing, where it is reticulate. wing, where it is reticulate. 



OAL MEASURES. 



A. lericJiei, Pruvost. 



Twelve branches. Radial 

 sector arising opposite middle 

 of subcosta. 



Seven to eight branches. 



Branches much beyond origin 

 of radial sector. 



First branch dividing into 

 four, second simple, third and 

 fourth branched. 



First anal forking twice. 



Transverse nervures, except in 

 the median basal part of the 

 wing, where it is reticulate. 



BIBLIOGRAPHY. 



AUDOUIN, V. " Sur une Empreinte d'Aile d'un Insecte ne'vroptere inconnu, trouve 

 en Angleterre a Coalbrookdale dans le Shropshire, dans un Terrain 

 Houiller," * Ann. Soc. Entom. France,' vol. ii, ' Bull. Entom.,' pp. 78, 

 1833. 



ALLEN, H. A. " On an Insect from the Coal Measures of South AVales," ' Geol. 

 Mag.' [4], vol. viii, pp. 6568, 1901. 



BALDWIN, W. " Fossil Myriapoda from the Middle Coal Measures of Sparth 

 Bottoms, Rochdale, Lancashire," ibid. [5], vol.- viii, pp. 74 80, 1911. 



BINNEY, E. W. "On two Remarkable Fossil Insects from the Lower Coal 

 Measures, near Huddersfield," * Proc. Lit. and Phil. Soc. Manchester,' 

 vol. vi, p. 59, 1867. 



BOI.TON, H. " Notes on the Geological Horizon and Palaeontology of the ' Soap- 

 stone Bed ' in the Lower Coal Measures near Colne, Lancashire," ' Geol. 

 Mag.' [5], vol. ii, pp. 433437, 1*905. 



- " On a New Species of Fossil Cockroach from the South Wales Coalfield," 



ibid. [5], vol. vii, pp. 147151, 1910. 



- " Insect Remains from the South Wales Coalfield," ' Quart. Journ. Geol. Soc.,' 



vol. Ixvii, pp. 149174, pis. vii x, 1911. 



- " Faunal Horizons in the Bristol Coalfield," ibid., vol. Ixvii, pp. 316341, 



pi. xxvi, 1911. 



- " Insect Remains from the Midland and South-Eastern Coal Measures," 



ibid., vol. Ixviii, pp. 310323, pis. xxxi xxxiii, 1912. 



