592 Scientific Proceedings, Royal Dublin Society. 



Ommexecha. 

 1831. Serv., " Ann. Sci. Nat.," xxii., p. 285. (Type, 0. vircns, Serv.) 



(Gryllus) Bulla. 

 1758. Linn., " Syst. Nat.," ed. x., i., p. 427. (Includes G. (B.) unicolor, 

 variolosus, serratus, carinatus, bipunctatus and subulatus, Linn.) 

 (The only species to which the name is fully applicable is 

 G. B. variolosus, which must therefore be considered as the 

 type ; besides Schrank's use of the name for G. (B.) bipunc- 

 tatus is subsequent to the establishment and restriction of the 

 genus Acrydium.) 



Pneumoka. 

 1775. Thunb., " Vet. Acad. Handl.," xxxvi., p. 254 (1775). (Types, 



P. immaculata, maculata, and sexguttata, Thunb.) 

 1802. Latr., " Hist. Nat. Crust. Ins.," iii., p. 281. (Types, P. inanis, 



papillosa, and variolosa, Oliv.) 

 1839. Serv., " Ins. Orth.," pp. 710-717. (Type, Gryllus variolosus, 



Linn., = maculata, Thunb.) 



Cystoccelia. 



1839. Serv., "Ins. Orth.," p. 713. (Types, Pneumora scutellaris, 

 Latr., and Gryllus inanis and papillosus, Fabr.) 



Acrydium. 



1762. Geoffr., " Hist. Ins.," i., p. 390. (6 species described.) 



1775. Fabr., " Syst. Ent.," p. 278. (Types, Grijllus bipunctatus and 



subulatus, Linn. ; Geoffroy's Nos. 5 and 6.) 

 1815. Leach, " Edinb. Enc," ix., p. 120. (Type, G. subulatus.) 



Agassiz writes Acriclium. 



(Tetrix.) 



1802. Latr., "Hist. Nat. Crust. Ins.," iii., p. 284. (Types, Gryllus 

 (Bulla), bipunctatus and subulatus, Linn. ; which are now 

 considered conspecific.) 



(Tettix.) 

 1846. Fisch., " Orth. Buss.," p. 347. 



|| (Bulla.) 



1781. Schrank, " Enum. Ins. Austr.," p. 242. (Types, G. (B.) 

 bvpunctatus, Linn., and xyphothyreus, Schrank.) 





