FAUNA OF THE CARBONIFEROUS AGE. 



397 



The genesis of the Neo-carida we do not know. They certainly did not 

 come from the Palaeo-carida, but possibly from some early and low form 

 of Crustaceans like Hymenocarus (Fig. 287, p. 300). 



Insects now, for the first time, appear in considerable numbers and 

 variety. As might be expected, these are associated with the abundant 



a b 



Fig. 566. 



Figs. 561-566.— Carboniferous Insects: 561. a, Eoscorpins carbonarius (after Meek and Wor- 

 then). 6, Anthrolycosa antiqua (after Beecher). 562. Blatta Helvetica, x £, restored (after 

 Heer). 563. Miamia Danse (after Scudder). 564. Euphoberia armigera (after Meek and Wortben). 

 565. Zylobius sigillaris! (after Dawson), a, Anterior portion enlarged. 566. Corydaloides Scud- 

 der i, x | (after Brogniart). 



