582 Scientific Proceedings, Royal Dublin Society. 



(Conocephalus.) 



1815. Thunb., "Mem. Petersb.," v., p. 271. (Type, C. hemipterus, 



Tbunb. ( = Gryllus conocephalus, Linn.), but includes also 24 

 otber species.) Later authors appear to have overlooked 

 Thunberg's type ; and the genus, being founded on a doubtful 

 specific name, has no claim to stand. 



Meconema. 

 1831. Serv., " Ann. Sci. Nat.," xxii., p. 157. (Type, Locusta varia, 

 Fabr.) 



Phasgonura. 

 1835. Steph., " 111. Brit. Ent., Mand.," vi., p. 15. (Type, Gryllus 

 viridissimus, Linn.) 



|| (Locusta.) 

 1762. Geoffr., "Hist. Ins.," i., p. 396. Includes Gryllus viridissinivx 



and verrucivorus . ) 

 1775. Fabr., " Syst. Ent.," p. 282. (25 species, including those of 



Geoffr oy.) 

 1831. Serv., " Ann. Sci. Nat.," xxii., p. 151. (Type, G. viridissimus.) 



|| (Conocephalus.) 

 1817. Sam., " Comp.," p. 218. (Type, Gryllus viridissimus.) 



|| (Acrida.) 

 1825. Curt., " Brit. Ent.," hi., pi. 82. (Type, G. viridissimus.) 



Hexacentrus. 

 1831. Serv., " Ann. Sci. Nat.," xxii., p. 145. (Type, H. unicolor, 

 Serv.) Subsequently rejected by Serville as synonymous 

 with his Locusta (= Phasgonura). 



Saga. 

 1825. Charp., " Hor. Ent.," p. 95. (Type, Locusta serrata, Fabr.) 



(Tettigopsis.) 



1830. Fisch., " Notice sur le Tettigopsis," p. 15. (Types, Gryllus 



pedo, Pall. ; Locusta serrata, Fabr. ; and T. nudipes and vittata, 

 Fisch.) 



Agr^cia. 



1831. Serv., " Ann. Sci. Nat.," xxii., p. 152. (Type, Locusta punctata, 



St. Farg. and Serv.) 



