OF WASHINGTON, VOLUME XVIII, 1916 27 



Brachial cells. VII and supernumbers in figures where they occur. 



The area beyond the nervulus and bounded anteriorly by <li>- 

 coideus and subdiscoideus and posteriorly by brachius and the 

 posterior margin of the wing. Usually separated by the antero- 

 posterior part of discoideus, and numbered from the base of the 

 wing. The brachial cells as denned in this paper have been vari- 

 ously treated and it is necessary to list the synonjins separately. 

 It appears no other writers have used the same definition as the 

 one used here. 



First brachial cell. 



This cell has been commonly called second discoidal in America, 

 but in Europe three writers, Thomson, Schmiedeknecht and Ber- 

 thoumieu, have designated it as brachial. 



Synonyms: Second discoidal cell Cresson 1887, Ashmead 1900, Morley 

 1903, Fernald 1906, Cockerell and Robbins 1910. Cellule brac/u'a/e Ber- 

 thoumieu 1904. Zweite Discoidalzelle Ratzeburg 1848, Szepligeti 1904. 

 Deuxieme cellule discoidale superieure Lepeletier 1825. Area submedialis 

 secunda Kohl 1896. Cellula submedialis [outer] Dahlbom 1845. Deux- 

 ieme cellule discoidale Lepeletier 1836. Zweite submedialzelle Kohl 1896. 

 Areola discoidalis tertia Andre 1879. Cellula discoidalis tertia Costa. 

 Dritte Discoidalzelle Zaddach. Cellule discoidale interne Wesmael. 

 Hintere-mittlere Schulterzelle Szepligeti 1904. Hintere Discoidalzelle- 

 Kieffer 1912. Cellule sous-discoidale de Romand. Third discal cell 

 Marlatt 1894. Cellula secunda brachialis Thomson. Brachialzelle 

 Szepligeti 1905, Schmiedeknecht 1907. Cellule mediana [apical] Lacor- 

 daire 1834. Distale Submedianzelle Kieffer 1912. Areola humeralis 

 media externa Foerster 1877. Cellula postica interna Gravenhorst. 

 Areola posterior Haliday. Podiscoidal areolet Marshall 1885, Haliday. 

 Middle areole Kirby. Analzelle Konow 1901. Inner apical cell Norton 

 1867. M 3 Comstock and Needham 1898, MacGillivray 1906, Fernald 1906, 

 Bradley 1908. Cell V l Robertson 1904. 



Second brachial cell. 



Synonyms: First apical ce Shuckard, Cresson 1887, Fernald 1906. 

 Outer apical cell Norton 1867. Apical areole Kirby. Cellule apicale de 

 Romand. Area terminalisDahlbom. Cellula discoidalis externa Grav- 

 enhorst. Cellule anale Wesmael, Haliday. Cellula apicalis Dahlbom 

 1845. Anal ceM Marshall 1885, Morley 1903. Second posterior cell- 

 Cameron 1882, Marlatt 1894. Areola posterior secunda Andre 1879. 

 Deuxieme cellule du linibe Lepeletier. Area specularis Nees. Aussere 

 Hinterzelle Zaddach. 2dM 2 Comstock and Needham 1898, MacGil- 

 livray 1906, Fernald 1906, Bradley 1908. 



