1 98 AXEL LEONARD MELANDER 



is still another specimen exhibiting a wing shaped like that 

 of Faralogus CBSchnoides Scudder, but of which the neuration is 

 obscured. 



EXPLANATION OF THE PLATES.' 



Fig. I. Hadrachne horribilis, g. et sp. n. 

 Fig. 2. Architarbus rotundatus Scudd. 

 Fig. 3. Geraphrynus carbonarius Scudd. 

 Fig. 4. Kustarachne sulcata, sp. n. 

 Fig. 5. Kustarachne exstincta, sp. n. 

 Fig. 6. Dipeltis diplodiscus Pack. 



PLATE VI. 



F"ig. I. Dictyoneura clarinervis, sp. n. 



Fig. 2. Cheliphlebia extensa, sp. n. 



Fig. 3. Euccenus tnazonus, sp. n. 



Fig. 4. EuccBfius attenuatus, sp. n. 



Fig. 5- Dieconeura maxima, sp. n. 



Fig. 6. Petromartus indistinctus, g. et sp. n. 



F'IG. 7. Protodictyon pulchripenne, g. et sp. n. 



PLATE VII, 



Fig. I. Hadrachne horribilis, g. et sp. n. 



Fig. 2. Architarbus rotundatus Scudd. 



Fig. 3. Geraphrynus carbonarius Scudd. 



F'IG. 4. Kustarachne sulcata, sp. n. 



Fig. 5. Kustarachne exstincta, sp. n. 



Fig. 6. Dipeltis diplodiscus Pack. 



Fig. 7- Paolia gurleyi Scudd. 



Fig. 8. Dictyoneura clarinervis, sp. n. 



Fig. 9. Cheliphlebia extensa, sp. n. 



Fig. 10. Euccemis mazonus, sp. n. 



Fig. II. EuccEnus attenuatus, sp. n. 



Fig. 12. Petromartus indistinctus, g. et sp. n. 



Fig. 13. Petromartus indistinctus, restoration of fore wing. Md, mediastinal; 

 Sc, scapular ; Em, externomedian ; Im, internomedian ; A, anal. 



Fig. 14. Dieconeura maxima, sp. n. 



Fig. 15. Dieconeura maxima, fore wing restored. 



Fig. 16. Dieconeura wajfma, hind wing restored. Mg, marginal vein; other let- 

 ters as in Fig. 13. 



Fig. 17. Protodictyon pulchripenne, g. et sp. n. 



Axel Leonard Melander. 



'All figures are natural size. 



