o4 Dicxodus. — Paramecynostoma. Pars 16 
Genus: Diexodus Handl. 
Kittaning? (Allegheny) stage (Mitti. Obercarb.) Mazon Creek, lllin- 
Nordamer. 
Diexodus, Handlirsch, Amer. Journ. Sc. XXXI. 302. 1911. 
Revis. pal. Ins. 24. 1919. 
debilis Handl. Diexodus debilis, Handlirsch, Amer. Journ. Sc. 
XXXI. 302. f. 5. 1911. Revis. pal. Ins. 24. 1919. 
Genus: Scepasma Handl. 
Kittaning? (Allegheny) stage. (Mitti. Oberc.). Mazon Creek, Illin. 
Xordamer. 
Scepasma, Handlirsch, Amer. Journ. Sc. XXXI. 302. 191 L 
Revis. pal. Ins. 24. 1919. 
gigas Handl. Scepastna gigas, Handlirsch, Amer. Journ. Sc. 
XXXI. 302. f. 6. 1911. Revis. pal. Ins. 24. 1919. 
Genus: .4jnetretiis Handl. 
Kittaning? (Allegheny) stage (Mitti. Oberc.). Mazon Creek, Illin. 
Xordamer. 
Ametretus, Handlirsch, Amer. Journ. Sc. XXXI. 303. 1911. 
Revis. pal. Ins. 24. 1919. 
laevis Handl. Ametretus laevis, Handlirsch, Amer. Journ. Sc. 
XXXI. 303. f. 7. 911. Revis. pal. Ins. 24. 1919. 
Genus: 31 e cyn os torna Brongn. 
Stephanien. (Mitti. Oberc.). Commentry, Frankreicb. 
Mecywstorna pp., Brongniart, Faune ent. 574. 1893. — 
Handlirsch , Foss. Ins. 120. 1906. — Lameere, Bull. 
Soc. Ent. Fr. 102. 1917. 
Mecyrvostoma, Handlirsch, Revis. pal. Ins. 24. 1919. 
Dohrni Brongn. Mecynostoma Dohrni pp., Brongniart, Faune 
ent. 574. t. 53. f. 8. (nec 9 — 12) 1893. — Handlirsch, Foss. 
Ins. 120. t. 13. f. 1. 1906. — Lameere, Bull. Soc. Ent. Fr. 
102. 1917. 
Mecytwsfoma Dohrni, Handlirsch, Revis. pal. Ins. 24. 1919. 
f. 26. 27. 
Genus: 3Iecynostomites Handl. 
Stephanien (Mitti. Oberc.) Commentry, Frankreich. 
Mecynostoma pp., Brongniart, Faune ent. 574. 1893. — 
Handlirsch, Foss. Ins. 120. 1906. 
Mecynostomites, Handlirsch, Revis. pal. Ins. 25. 1919. 
Bnmgniarti Handl.. Mecytvosloma Dohrni pp., Brongniart, 
Faune ent. 574. t. 53. f. 11. 12. 1893. — pp., Handlirsch, 
Foss. Ins. 120. 1906. 
Mecynostomites Brorujniarti, Handlirsch, Bevis. pal. Ins. 
25. f. 28. 1919. 
Genus: Paramecynostoma Handl. 
Stephanien (Mitti. Oberc.) Commentry, Frankreich. 
Mecynostoma pp., Brongniart, Faune ent. 574. 1893. ■ — 
Handlirsch , Foss. Ins. 120. 1906. 
Paramecynostoma, Handlirsch , Revis. pal. Ins. 24. 1919. 
Dohrnianuni Handl. Mecynostmna Dohrni pp., Brongniart, 
Faune ent. 574. t. 53. f. 9. 1893. — pp., Handlirsch, 
Foss. Ins. 120. 1906. 
Paramecynostoma Dohmianum, Handlirsch, Revis. pal. Ins. 
25. f. 29. 1919. 
