CELLULES. 11 



verso-discoidalis, Andre ; Vena media, Foerster; = 1st 

 and 2nd inner apical or submarginal nervures of 

 Norton. 



13. RECURRENT (PL X, fig. 1 w, n)= Vena transverso- 

 discoidales, Foerster; Ruwlaufendadern, Hartig. 



14. TRANSVERSE RADIAL (PI. X, fig. 1 g dotted line > 

 absent in Hylotoma) =marginal nervures. 



15. TRANSVERSE CUBITAL (PL X, fig. 1 i, j, fc)= sub- 

 marginal nervures ; cvlitnl scheidnerve, Zaddach. 



Cellules. 



1. RADIAL (PL X, fig. 1)= marginal, cellula rnargi- 

 nalis, Thomson. 



2. APPENDICULAR (PL X, fig. 2). 



3. CUBITAL (PL X, fig. 3, 4, 5, 6) = subniarginal, 

 Thomson. 



4. COSTAL (PL X, fig. 16)= Area submarginalis, 

 T?oersteT=branchial i Andre. 



5. HUMERAL (PL X, fig. 7) = Area humeralis antica, 

 Foerster ; costal, Andre. 



6. DISCOIDAL. 1st (PL X, fig. 8) =C.furcata, Thomson; 

 Areola discoidalis prima, Foerster ; 2nd (PL X, fig. 9) 

 =CeUula disconlah's, Thomson ; 3rd (PL X, fig. 12) = 

 Areola humeralis media, Foerster ; C. secunda branchi- 



Thomson. 



7. POSTERIOR. 1st (PL X, fig. 10) = Areola discoidalis 



Foerster; Erste Hinterzelle, Zaddach. 2nd (PL 

 X, fig. 13)= Aussere Hinterzelle, Zaddach =apical cells 

 of English authors. 



8. MEDIAN (PL X, fig. 11) = Area humeralis media, 

 interna, Foerster. 



9. LANCEOLATE (PL X, figs. 14 and 15). 



14. ANAL. The anal cellule, Areola humeralis postica, 

 Htg., is situated between the lower edge of the wing 

 and the lanceolate cellule. 



The number of radial cells is never more than two, 



