316 Hcmdliraok — New Paleozoic Insects from the 



numerous branches, media cleft into 2 ramified main branches. 

 Cubitus of the anterior wing cleft near the base into 2 forked 

 main branches, the anterior of which unites for a short dis- 



Fig. 21. 



Fig. 21. Gerarus longicollis. xl8. 



tance with the posterior branch of the media. Anal area of 

 the anterior wing not distinctly limited, with but few partly 

 ramified veins. Posterior wing with an anal fan. 



Gerarulus radialis, new species. Fig. 22. 



Length of the anterior wing about 30 mm (24 mm only being 

 preserved). Costal area comparatively narrow, extending 

 about two-thirds of the wing and filled by simple and very 

 regularly distributed oblique cross veins. Eadius very near 

 the subcosta, provided in the apical third with branches 



