2>oi 



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

 and is of little account. 



Synoiiyiny of J 'cnation in Tcgiuiiia of Lcaf-hoppcrs. 



1 . Costal. 



2. Subcostal =^rRdms Spi)iola^=cosXa. {p) of iiumy authors. 



3. i?a(//a/=:cubitus .S"/'i;/o/(7=mediastinal Wcstzvood. 



=:Upper branch of cubital Sahlberg=:ist. sector 

 Ficber. 



4. Snbradial, usually present as a fork of tlie radial, or entirely 



absent. 



5. Mcdiaii^^Jst. discodal .S"/'///(7/a=postcostal H'cstivood. 



=exterior branc'h of exterior ulnar Stal.=:\ow'er 

 brandh of cubital Salilberg=2\id. sector Fieber. 



6. .V;^&;/;rfl'/a;/=interior branch of exterior ulnar .StaL; usually 



present as a fork of the median. 



7. Ciibital=2nd. discoidal Spi]iola=medmn IVcsf^cood. 



r^interior ulnar Stal. = T,rd. sector Fieber. 

 ='brachial Edwards. 



8. .V;^/;//-«/=:postcubital Sfinola^^anal lJ'est-ci'ood=^is{. anal C. 



81 N. 



9. . ///(//^claval .S7ff/. = 2nd. anal C. &: X. 

 10. .■Lvillary^=T,rd. anal. 



Cells (or Areas) of Tegiiiiiui. 



T. Costal (often abscnt=costal nienrltrane Stal. 



b. Subeostal:=costa] cell Stal (p). In some forms where 



the costal vein is rudimentary, this is often termed the 

 costal cell. 



c. 7\'(7fl'z'a/= subcostal Meliehar, Edicords, etc. 



d. .Snbradial. 



e. Median=:hascd Edivards. 



f. Submedian. 



g. C7/fc//a/=:brachial Edicards. 

 h. Basal cell. 



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

 of the davus, are called "apical cells": basal of these to the basal 

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

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



