10(5 GUIDE TO THE FOSSIL INVERTEBRATE ANIMALS. 
Gallery 
VIII. 
Fig. 52. — Cockroaches of the Coal Measures, a, Ktoblatlina mazona from 
Illinois, enlarged 2 diameters. (After Scudder.) b, restoration of Pro- 
, gofwblattina Helvetica from Switzerland. Natural size. (After Heer.) 
Fig. 53. — Wings of Neuropterous in.sects from the English Ccal Pleasures. 
a, Lithosialis Brongniarti ; b, Brodiea iwiscotincta, with colour-bands. 
Natural size. (Table-case 20.) 
