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times on one side, sometimes on the other, of the claval suture 

 and is of little account. 



Synoiiynty of I 'emit ion in Tcgniina of Leaf -hoppers. 



1 . Costal. 



2. S iibeostal=^r3.dms Spiitola^costa. (p) of many authors. 



3. i?a(//(7/=:cubitus .S'/'///()/a=mediastinal IJ'esttvood. 



== Upper branch of cubital Sahlbcrg^^ist. sector 

 Fieber. 



4. Siibradial, ustially present as a fork of the radial, or entirely 



absent. 



5. Me(fiau=:ist. discodal vS'/'///('/a=postcostal JVestivood. 



-^exterior branc'h of exterior ulnar 6'/a/.r= lower 

 brandh of cubital Salilberg=z2r)ld. sector Ficbcr. 



6. ^"?/f>//u'(//a;;=:=interior branch of exterior ulnar Stal.\ usual)} 



present as a fork of the median. 



7. Cubital=2nd. discoidal Spiiiola=:median Wcstwood. 



=r interior ulnar 5*^0/. =3rd. sector Fieber. 

 :=brachial Fdwards. 



8. >S'//^;/ra/=postcubital Sf>inola='dn'cd J I estwood =1 si. anal C". 



& N. 

 g. J//a/r=claval Stal.=^2ud. anal C". & .V. 

 10. Jxillary=:^rd. anal. 



Cells {or Areas) of Tegmina. 



I. Co.<;tal (often absent=:costal membrane Stal. 



]). Snbeosfal^costal cell Stal (p). In some forms where 



the costal vein is rudimentary, this is often termed the 



costal cell. 



c. A'a(//a/=subcostal Meliehar. Edzcards, etc. 



d. Snbradial. 



e. ^frrf/a«=basal Edwards. 



f. Submedian. 



i^. C/^&;>a/=:brachial Edwards. 



h. Basal cell. 



The marginal cells from the apex of the subcostal to the apex 

 of the clavus, are called "apical cells''; basal of t^hese to the basal 

 cell, between the subcostal and the cubital, are the "discoidals," 

 some of which may be "subapical" (or "anteapical"). 



